scripts-to-rule-them-all (#59)

Reviewed-on: #59
Co-authored-by: sneak <sneak@sneak.berlin>
Co-committed-by: sneak <sneak@sneak.berlin>

.dockerignore

@@ -0,0 +1,15 @@
+.git/
+bin/
+*.md
+LICENSE
+.editorconfig
+.env
+.env.*
+*.db
+*.sqlite
+*.sqlite3
+.DS_Store
+.idea/
+.vscode/
+tmp/
+temp/

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+indent_style = tab

.gitea/workflows/check.yml

@@ -0,0 +1,15 @@
+name: check
+
+on:
+  push:
+    branches:
+      - '**'
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 2024-10-23
+      - name: Build Docker image (runs make check)
+        run: script/cibuild

.gitignore

@@ -4,7 +4,7 @@
 *.so
 *.dylib
 bin/
-webhooker
+/webhooker
 
 # Test binary, built with `go test -c`
 *.test
@@ -26,11 +26,12 @@ vendor/
 .DS_Store
 Thumbs.db
 
-# Environment files
+# Environment and config files
 .env
 .env.local
 
-# Database files
+# Data directory (SQLite databases)
+data/
 *.db
 *.sqlite
 *.sqlite3

.golangci.yml

@@ -1,46 +1,32 @@
+version: "2"
+
 run:
   timeout: 5m
-  tests: true
+  modules-download-mode: readonly
 
 linters:
-  enable:
-    - gofmt
-    - revive
-    - govet
-    - errcheck
-    - staticcheck
-    - unused
-    - gosimple
-    - ineffassign
-    - typecheck
-    - gosec
-    - misspell
-    - unparam
-    - prealloc
-    - copyloopvar
-    - gocritic
-    - gochecknoinits
-    - gochecknoglobals
+  default: all
+  disable:
+    # Genuinely incompatible with project patterns
+    - exhaustruct      # Requires all struct fields
+    - depguard         # Dependency allow/block lists
+    - godot            # Requires comments to end with periods
+    - wsl              # Deprecated, replaced by wsl_v5
+    - wrapcheck        # Too verbose for internal packages
+    - varnamelen       # Short names like db, id are idiomatic Go
 
 linters-settings:
-  gofmt:
-    simplify: true
-  revive:
-    confidence: 0.8
-  govet:
-    enable:
-      - shadow
-  errcheck:
-    check-type-assertions: true
-    check-blank: true
+  lll:
+    line-length: 88
+  funlen:
+    lines: 80
+    statements: 50
+  cyclop:
+    max-complexity: 15
+  dupl:
+    threshold: 100
 
 issues:
-  exclude-rules:
-    # Exclude globals check for version variables in main
-    - path: cmd/webhooker/main.go
-      linters:
-        - gochecknoglobals
-    # Exclude globals check for version variables in globals package
-    - path: internal/globals/globals.go
-      linters:
-        - gochecknoglobals 
+  exclude-use-default: false
+  max-issues-per-linter: 0
+  max-same-issues: 0

Dockerfile

@@ -1,58 +1,81 @@
-## lint image
-FROM golangci/golangci-lint:latest
+# Lint stage
+# golangci/golangci-lint:v2.11.3 (Debian-based), 2026-03-17
+# Using Debian-based image because mattn/go-sqlite3 (CGO) does not
+# compile on Alpine musl (off64_t is a glibc type).
+FROM golangci/golangci-lint:v2.11.3@sha256:e838e8ab68aaefe83e2408691510867ade9329c0e0b895a3fb35eb93d1c2a4ba AS lint
 
-RUN mkdir -p /build
-WORKDIR /build
-COPY ./ ./
-RUN golangci-lint run
+RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
 
-## build image:
-FROM golang:1.22-alpine AS builder
+WORKDIR /src
 
-# Install build dependencies including gcc for CGO
-RUN apk add --no-cache git make gcc musl-dev sqlite-dev
-
-# Set working directory
-WORKDIR /build
-
-# Copy go mod files
+# Copy go mod files first for better layer caching
 COPY go.mod go.sum ./
 RUN go mod download
 
 # Copy source code
 COPY . .
 
-# Build the application with CGO enabled for SQLite
-RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -o webhooker cmd/webhooker/main.go
+# Run formatting check and linter
+RUN make fmt-check
+RUN make lint
 
-## output image:
-FROM alpine:latest
+# Build stage
+# golang:1.26.1-bookworm (Debian-based), 2026-03-17
+# Using Debian-based image because gorm.io/driver/sqlite pulls in
+# mattn/go-sqlite3 (CGO), which does not compile on Alpine musl.
+FROM golang:1.26.1-bookworm@sha256:4465644228bc2857a954b092167e12aa59c006a3492282a6c820bf4755fd64a4 AS builder
 
-# Install ca-certificates for HTTPS and sqlite libs
-RUN apk --no-cache add ca-certificates sqlite-libs
+# Depend on lint stage passing
+COPY --from=lint /src/go.sum /dev/null
+
+RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /build
+
+# Copy go mod files first for better layer caching
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Run tests and build
+RUN make test
+RUN make build
+
+# Rebuild with static linking for Alpine runtime.
+# make build already verified compilation.
+# The CGO binary from `make build` is dynamically linked against glibc,
+# which doesn't exist on Alpine (musl). Rebuild with static linking so
+# the binary runs on Alpine without glibc.
+RUN CGO_ENABLED=1 go build -ldflags '-extldflags "-static"' -o bin/webhooker ./cmd/webhooker
+
+# Runtime stage
+# alpine:3.21, 2026-03-17
+FROM alpine:3.21@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
+
+RUN apk --no-cache add ca-certificates
 
 # Create non-root user
 RUN addgroup -g 1000 -S webhooker && \
     adduser -u 1000 -S webhooker -G webhooker
 
-# Set working directory
 WORKDIR /app
 
 # Copy binary from builder
-COPY --from=builder /build/webhooker .
+COPY --from=builder /build/bin/webhooker /app/webhooker
 
-# Change ownership
-RUN chown -R webhooker:webhooker /app
+# Create data directory for all SQLite databases (main app DB +
+# per-webhook event DBs). DATA_DIR defaults to /var/lib/webhooker.
+RUN mkdir -p /var/lib/webhooker
+
+RUN chown -R webhooker:webhooker /app /var/lib/webhooker
 
-# Switch to non-root user
 USER webhooker
 
-# Expose port
 EXPOSE 8080
 
-# Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck.json || exit 1
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck || exit 1
 
-# Run the application
-CMD ["./webhooker"]
+CMD ["/app/webhooker"]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Jeffrey Paul <sneak@sneak.berlin>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -1,39 +1,50 @@
-.PHONY: test fmt lint build run clean
+.PHONY: bootstrap setup test lint fmt fmt-check check build run dev deps docker clean hooks css
 
 # Default target
-test: lint
-	go test -v ./...
+.DEFAULT_GOAL := check
 
-fmt:
-	go fmt ./...
+bootstrap:
+	@script/bootstrap
+
+setup:
+	@script/setup
+
+test:
+	@script/test
 
 lint:
-	golangci-lint run
+	@script/lint
 
-build: test
-	go build -o bin/webhooker cmd/webhooker/main.go
+fmt:
+	@script/fmt
+
+fmt-check:
+	@script/fmt-check
+
+check:
+	@script/check
+
+build:
+	go build -o bin/webhooker ./cmd/webhooker
 
 run: build
 	./bin/webhooker
 
-clean:
-	rm -rf bin/
-
-# Development helpers
-.PHONY: dev deps
-
 dev:
-	go run cmd/webhooker/main.go
+	go run ./cmd/webhooker
 
 deps:
 	go mod download
 	go mod tidy
 
-# Docker targets
-.PHONY: docker-build docker-run
+docker:
+	@script/docker
 
-docker-build:
-	docker build -t webhooker:latest .
+clean:
+	rm -rf bin/
 
-docker-run: docker-build
-	docker run --rm -p 8080:8080 webhooker:latest 
+hooks:
+	@script/install-precommit
+
+css:
+	tailwindcss -i static/css/input.css -o static/css/tailwind.css --minify

REPO_POLICIES.md

@@ -0,0 +1,408 @@
+---
+title: Repository Policies
+last_modified: 2026-07-06
+---
+
+This document covers repository structure, tooling, and workflow standards. Code
+style conventions are in separate documents:
+
+- [Code Styleguide](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/CODE_STYLEGUIDE.md)
+  (general, bash, Docker)
+- [Go](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/CODE_STYLEGUIDE_GO.md)
+- [JavaScript](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/CODE_STYLEGUIDE_JS.md)
+- [Python](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/CODE_STYLEGUIDE_PYTHON.md)
+- [Go HTTP Server Conventions](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/GO_HTTP_SERVER_CONVENTIONS.md)
+
+---
+
+- Cross-project documentation (such as this file) must include
+  `last_modified: YYYY-MM-DD` in the YAML front matter so it can be kept in sync
+  with the authoritative source as policies evolve.
+
+- **ALL external references must be pinned by cryptographic hash.** This
+  includes Docker base images, Go modules, npm packages, GitHub Actions, and
+  anything else fetched from a remote source. Version tags (`@v4`, `@latest`,
+  `:3.21`, etc.) are server-mutable and therefore remote code execution
+  vulnerabilities. The ONLY acceptable way to reference an external dependency
+  is by its content hash (Docker `@sha256:...`, Go module hash in `go.sum`, npm
+  integrity hash in lockfile, GitHub Actions `@<commit-sha>`). No exceptions.
+  This also means never `curl | bash` to install tools like pyenv, nvm, rustup,
+  etc. Instead, download a specific release archive from GitHub, verify its hash
+  (hardcoded in the Dockerfile or script), and only then install. Unverified
+  install scripts are arbitrary remote code execution. This is the single most
+  important rule in this document. Double-check every external reference in
+  every file before committing. There are zero exceptions to this rule.
+
+- Every repo with software must have a root `Makefile` with these targets:
+  `make bootstrap`, `make setup`, `make test`, `make lint`, `make fmt` (writes),
+  `make fmt-check` (read-only), `make check` (runs `test`, `lint`, `fmt-check`),
+  `make docker`, and `make hooks` (installs pre-commit hook). A model Makefile
+  is at `https://git.eeqj.de/sneak/prompts/raw/branch/main/Makefile`.
+
+- Repos follow the
+  [Scripts to Rule Them All](https://github.com/github/scripts-to-rule-them-all)
+  pattern: the implementation of each Makefile target lives in an executable
+  script in `script/` (`script/bootstrap`, `script/setup`, `script/test`,
+  `script/lint`, `script/fmt`, `script/fmt-check`, `script/check`,
+  `script/docker`), and the Makefile targets are thin shims that call them. The
+  scripts must be POSIX sh (`#!/bin/sh`, `set -eu`, no bashisms) so they run in
+  minimal containers (e.g. alpine images have no bash); locate the repo root
+  with `$(cd "$(dirname "$0")/.." && pwd -P)` and `cd` there before acting. From
+  the standard's canonical set we use `bootstrap`, `setup` (make the repo ready
+  for development after a fresh clone: runs `bootstrap`, then
+  `install-precommit`, plus any repo-specific initialization), `test`, and
+  `cibuild`. `script/bootstrap` installs all dependencies idempotently and
+  assumes nothing is present: base tools come from nix, apt, brew, or apk
+  (detected in that order; apt runs noninteractive). For node it uses the
+  installed node if present; otherwise it installs a PINNED node version via
+  nvm, first installing nvm itself if missing — from a hash-verified GitHub
+  release archive (never `curl | sh`), with bash installed as an explicit
+  prerequisite since nvm requires bash. yarn is then pinned via
+  `corepack prepare yarn@<version> --activate`. Never install "latest" or "lts";
+  always exact versions. `script/cibuild` runs the CI build: it changes to the
+  repo root and runs `docker build .`; the Gitea workflow calls it. Four further
+  scripts are our own extensions to the standard: `script/check` runs
+  `script/test`, `script/lint`, and `script/fmt-check`; `script/precommit` is
+  what the git pre-commit hook runs, and it calls `script/check`;
+  `script/install-precommit` installs the git pre-commit hook (the `make hooks`
+  target shims to it); and `script/projectname` (literally that filename) simply
+  outputs the project's name. Scripts that need the name call
+  `script/projectname` — e.g. `script/docker` assembles its image tag from it —
+  so those scripts stay byte-identical across all repos. Repo-type-specific
+  pre-commit extras (e.g. `go mod tidy` verification in Go repos) belong in
+  `script/precommit`, not in the hook itself. Model scripts are at
+  `https://git.eeqj.de/sneak/prompts/raw/branch/main/script/<name>`. The README
+  must document the provided scripts in an **Entrypoints** section (see the
+  README requirements below).
+
+- Always use Makefile targets (`make fmt`, `make test`, `make lint`, etc.)
+  instead of invoking the underlying tools directly. The Makefile is the single
+  source of truth for how these operations are run.
+
+- The Makefile is authoritative documentation for how the repo is used. Beyond
+  the required targets above, it should have targets for every common operation:
+  running a local development server (`make run`, `make dev`), re-initializing
+  or migrating the database (`make db-reset`, `make migrate`), building
+  artifacts (`make build`), generating code, seeding data, or anything else a
+  developer would do regularly. If someone checks out the repo and types
+  `make<tab>`, they should see every meaningful operation available. A new
+  contributor should be able to understand the entire development workflow by
+  reading the Makefile.
+
+- Every repo should have a `Dockerfile`. All Dockerfiles must run `make check`
+  as a build step so the build fails if the branch is not green. For non-server
+  repos, the Dockerfile should bring up a development environment and run
+  `make check`. For server repos, `make check` should run as an early build
+  stage before the final image is assembled. Dockerfiles install development
+  prerequisites by running `script/bootstrap` rather than duplicating installs
+  inline; COPY `script/` and the dependency manifests (`package.json` +
+  `yarn.lock`, `go.mod` + `go.sum`, etc.) before running it so the bootstrap
+  layer stays cached until dependencies change.
+
+- **Dockerfiles must use a separate lint stage for fail-fast feedback.** Go
+  repos use a multistage build where linting runs in an independent stage based
+  on the `golangci/golangci-lint` image (pinned by hash). This stage runs
+  `make fmt-check` and `make lint` before the full build begins. The build stage
+  then declares an explicit dependency on the lint stage via
+  `COPY --from=lint /src/go.sum /dev/null`, which forces BuildKit to complete
+  linting before proceeding to compilation and tests. This ensures lint failures
+  surface in seconds rather than minutes, without blocking on dependency
+  download or compilation in the build stage.
+
+    The standard pattern for a Go repo Dockerfile is:
+
+    ```dockerfile
+    # Lint stage — fast feedback on formatting and lint issues
+    # golangci/golangci-lint:v2.x.x, YYYY-MM-DD
+    FROM golangci/golangci-lint@sha256:... AS lint
+    WORKDIR /src
+    COPY go.mod go.sum ./
+    RUN go mod download
+    COPY . .
+    RUN make fmt-check
+    RUN make lint
+
+    # Build stage
+    # golang:1.x-alpine, YYYY-MM-DD
+    FROM golang@sha256:... AS builder
+    WORKDIR /src
+
+    # Force BuildKit to run the lint stage before proceeding
+    COPY --from=lint /src/go.sum /dev/null
+
+    COPY go.mod go.sum ./
+    RUN go mod download
+    COPY . .
+    RUN make test
+
+    ARG VERSION=dev
+    RUN CGO_ENABLED=0 go build -trimpath \
+        -ldflags="-s -w -X main.Version=${VERSION}" \
+        -o /app ./cmd/app/
+
+    # Runtime stage
+    FROM alpine@sha256:...
+    COPY --from=builder /app /usr/local/bin/app
+    ENTRYPOINT ["app"]
+    ```
+
+    Key points:
+    - The lint stage uses the `golangci/golangci-lint` image directly (it
+      includes both Go and the linter), so there is no need to install the
+      linter separately.
+    - `COPY --from=lint /src/go.sum /dev/null` is a no-op file copy that creates
+      a stage dependency. BuildKit runs stages in parallel by default; without
+      this line, the build stage would not wait for lint to finish and a lint
+      failure might not fail the overall build.
+    - If the project uses `//go:embed` directives that reference build artifacts
+      (e.g. a web frontend compiled in a separate stage), the lint stage must
+      create placeholder files so the embed directives resolve. Example:
+      `RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css`.
+      The lint stage should not depend on the actual build output — it exists to
+      fail fast.
+    - If the project requires CGO or system libraries for linting (e.g.
+      `vips-dev`), install them in the lint stage with `apk add`.
+    - The build stage runs `make test` after compilation setup. Tests run in the
+      build stage, not the lint stage, because they may require compiled
+      artifacts or heavier dependencies.
+
+- Every repo should have a Gitea Actions workflow (`.gitea/workflows/`) that
+  runs `script/cibuild` (which runs `docker build .`) on push. Since the
+  Dockerfile already runs `make check`, a successful build implies all checks
+  pass.
+
+- Use platform-standard formatters: `black` for Python, `prettier` for
+  JS/CSS/Markdown/HTML, `go fmt` for Go. Always use default configuration with
+  two exceptions: four-space indents (except Go), and `proseWrap: always` for
+  Markdown (hard-wrap at 80 columns). Documentation and writing repos (Markdown,
+  HTML, CSS) should also have `.prettierrc` and `.prettierignore`.
+
+- Pre-commit hook: runs `script/precommit`, which calls `script/check`. If local
+  testing is not possible in the repo, `script/precommit` may skip `script/test`
+  and run only `script/lint` and `script/fmt-check`. The hook is installed by
+  `script/install-precommit`; the Makefile must provide a `make hooks` target
+  that shims to it.
+
+- All repos with software must have tests that run via the platform-standard
+  test framework (`go test`, `pytest`, `jest`/`vitest`, etc.). If no meaningful
+  tests exist yet, add the most minimal test possible — e.g. importing the
+  module under test to verify it compiles/parses. There is no excuse for
+  `make test` to be a no-op.
+
+- `make test` must complete in under 20 seconds. Add a 30-second timeout in the
+  Makefile.
+
+- **`make test` should use the conditional verbose rerun pattern.** Run tests
+  without `-v` (verbose) first. If tests fail, automatically rerun with `-v` to
+  show full output. This keeps CI logs and `docker build` output clean on
+  success (just package/suite summaries) while providing full diagnostic detail
+  on failure (every test case, every assertion). The general shell pattern:
+
+    ```makefile
+    test:
+    	@<test-command> || \
+    		{ echo "--- Rerunning with -v for details ---"; \
+    		  <test-command-with-v>; exit 1; }
+    ```
+
+    Go example:
+
+    ```makefile
+    test:
+    	@go test -timeout 30s -race -cover ./... || \
+    		{ echo "--- Rerunning with -v for details ---"; \
+    		  go test -timeout 30s -race -v ./...; exit 1; }
+    ```
+
+    Python example:
+
+    ```makefile
+    test:
+    	@python -m pytest || \
+    		{ echo "--- Rerunning with -v for details ---"; \
+    		  python -m pytest -v; exit 1; }
+    ```
+
+    The `exit 1` ensures the target always fails after a rerun — the first run
+    already proved the tests are broken, so the build must not pass even if a
+    flaky test happens to succeed on the second attempt. The rerun exists solely
+    for diagnostic output.
+
+- Docker builds must complete in under 5 minutes.
+
+- `make check` must not modify any files in the repo. Tests may use temporary
+  directories.
+
+- `main` must always pass `make check`, no exceptions.
+
+- Never commit secrets. `.env` files, credentials, API keys, and private keys
+  must be in `.gitignore`. No exceptions.
+
+- `.gitignore` should be comprehensive from the start: OS files (`.DS_Store`),
+  editor files (`.swp`, `*~`), language build artifacts, and `node_modules/`.
+  Fetch the standard `.gitignore` from
+  `https://git.eeqj.de/sneak/prompts/raw/branch/main/.gitignore` when setting up
+  a new repo.
+
+- **No build artifacts in version control.** Code-derived data (compiled
+  bundles, minified output, generated assets) must never be committed to the
+  repository if it can be avoided. The build process (e.g. Dockerfile, Makefile)
+  should generate these at build time. Notable exception: Go protobuf generated
+  files (`.pb.go`) ARE committed because repos need to work with `go get`, which
+  downloads code but does not execute code generation.
+
+- Never use `git add -A` or `git add .`. Always stage files explicitly by name.
+
+- Never force-push to `main`.
+
+- Make all changes on a feature branch. You can do whatever you want on a
+  feature branch.
+
+- `.golangci.yml` is standardized and must _NEVER_ be modified by an agent, only
+  manually by the user. Fetch from
+  `https://git.eeqj.de/sneak/prompts/raw/branch/main/.golangci.yml`.
+
+- When pinning images or packages by hash, add a comment above the reference
+  with the version and date (YYYY-MM-DD).
+
+- Use `yarn`, not `npm`.
+
+- Write all dates as YYYY-MM-DD (ISO 8601).
+
+- Simple projects should be configured with environment variables.
+
+- Dockerized web services listen on port 8080 by default, overridable with
+  `PORT`.
+
+- **HTTP/web services must be hardened for production internet exposure before
+  tagging 1.0.** This means full compliance with security best practices
+  including, without limitation, all of the following:
+    - **Security headers** on every response:
+        - `Strict-Transport-Security` (HSTS) with `max-age` of at least one year
+          and `includeSubDomains`.
+        - `Content-Security-Policy` (CSP) with a restrictive default policy
+          (`default-src 'self'` as a baseline, tightened per-resource as
+          needed). Never use `unsafe-inline` or `unsafe-eval` unless
+          unavoidable, and document the reason.
+        - `X-Frame-Options: DENY` (or `SAMEORIGIN` if framing is required).
+          Prefer the `frame-ancestors` CSP directive as the primary control.
+        - `X-Content-Type-Options: nosniff`.
+        - `Referrer-Policy: strict-origin-when-cross-origin` (or stricter).
+        - `Permissions-Policy` restricting access to browser features the
+          application does not use (camera, microphone, geolocation, etc.).
+    - **Request and response limits:**
+        - Maximum request body size enforced on all endpoints (e.g. Go
+          `http.MaxBytesReader`). Choose a sane default per-route; never accept
+          unbounded input.
+        - Maximum response body size where applicable (e.g. paginated APIs).
+        - `ReadTimeout` and `ReadHeaderTimeout` on the `http.Server` to defend
+          against slowloris attacks.
+        - `WriteTimeout` on the `http.Server`.
+        - `IdleTimeout` on the `http.Server`.
+        - Per-handler execution time limits via `context.WithTimeout` or
+          chi/stdlib `middleware.Timeout`.
+    - **Authentication and session security:**
+        - Rate limiting on password-based authentication endpoints. API keys are
+          high-entropy and not susceptible to brute force, so they are exempt.
+        - CSRF tokens on all state-mutating HTML forms. API endpoints
+          authenticated via `Authorization` header (Bearer token, API key) are
+          exempt because the browser does not attach these automatically.
+        - Passwords stored using bcrypt, scrypt, or argon2 — never plain-text,
+          MD5, or SHA.
+        - Session cookies set with `HttpOnly`, `Secure`, and `SameSite=Lax` (or
+          `Strict`) attributes.
+    - **Reverse proxy awareness:**
+        - True client IP detection when behind a reverse proxy
+          (`X-Forwarded-For`, `X-Real-IP`). The application must accept
+          forwarded headers only from a configured set of trusted proxy
+          addresses — never trust `X-Forwarded-For` unconditionally.
+    - **CORS:**
+        - Authenticated endpoints must restrict `Access-Control-Allow-Origin` to
+          an explicit allowlist of known origins. Wildcard (`*`) is acceptable
+          only for public, unauthenticated read-only APIs.
+    - **Error handling:**
+        - Internal errors must never leak stack traces, SQL queries, file paths,
+          or other implementation details to the client. Return generic error
+          messages in production; detailed errors only when `DEBUG` is enabled.
+    - **TLS:**
+        - Services never terminate TLS directly. They are always deployed behind
+          a TLS-terminating reverse proxy. The service itself listens on plain
+          HTTP. However, HSTS headers and `Secure` cookie flags must still be
+          set by the application so that the browser enforces HTTPS end-to-end.
+
+    This list is non-exhaustive. Apply defense-in-depth: if a standard security
+    hardening measure exists for HTTP services and is not listed here, it is
+    still expected. When in doubt, harden.
+
+- `README.md` is the primary documentation. Required sections:
+    - **Description**: First line must include the project name, purpose,
+      category (web server, SPA, CLI tool, etc.), license, and author. Example:
+      "µPaaS is an MIT-licensed Go web application by @sneak that receives
+      git-frontend webhooks and deploys applications via Docker in realtime."
+    - **Getting Started**: Copy-pasteable install/usage code block.
+    - **Entrypoints**: Opens by stating that the repo adheres to the
+      [Scripts to Rule Them All](https://github.com/github/scripts-to-rule-them-all)
+      standard (with that link), then documents each provided `script/`
+      entrypoint and its purpose.
+    - **Rationale**: Why does this exist?
+    - **Design**: How is the program structured?
+    - **TODO**: Update meticulously, even between commits. When planning, put
+      the todo list in the README so a new agent can pick up where the last one
+      left off.
+    - **License**: MIT, GPL, or WTFPL. Ask the user for new projects. Include a
+      `LICENSE` file in the repo root and a License section in the README.
+    - **Author**: [@sneak](https://sneak.berlin).
+
+- First commit of a new repo should contain only `README.md`.
+
+- Go module root: `sneak.berlin/go/<name>`. Always run `go mod tidy` before
+  committing.
+
+- Use SemVer.
+
+- Database migrations live in `internal/db/migrations/` and must be embedded in
+  the binary.
+    - `000_migration.sql` — contains ONLY the creation of the migrations
+      tracking table itself. Nothing else.
+    - `001_schema.sql` — the full application schema.
+    - **Pre-1.0.0:** never add additional migration files (002, 003, etc.).
+      There is no installed base to migrate. Edit `001_schema.sql` directly.
+    - **Post-1.0.0:** add new numbered migration files for each schema change.
+      Never edit existing migrations after release.
+
+- All repos should have an `.editorconfig` enforcing the project's indentation
+  settings.
+
+- Avoid putting files in the repo root unless necessary. Root should contain
+  only project-level config files (`README.md`, `Makefile`, `Dockerfile`,
+  `LICENSE`, `.gitignore`, `.editorconfig`, `REPO_POLICIES.md`, and
+  language-specific config). Everything else goes in a subdirectory. Canonical
+  subdirectory names:
+    - `bin/` — executable scripts and tools
+    - `cmd/` — Go command entrypoints
+    - `configs/` — configuration templates and examples
+    - `deploy/` — deployment manifests (k8s, compose, terraform)
+    - `docs/` — documentation and markdown (README.md stays in root)
+    - `internal/` — Go internal packages
+    - `internal/db/migrations/` — database migrations
+    - `pkg/` — Go library packages
+    - `share/` — systemd units, data files
+    - `static/` — static assets (images, fonts, etc.)
+    - `web/` — web frontend source
+
+- When setting up a new repo, files from the `prompts` repo may be used as
+  templates. Fetch them from
+  `https://git.eeqj.de/sneak/prompts/raw/branch/main/<path>`.
+
+- New repos must contain at minimum:
+    - `README.md`, `.git`, `.gitignore`, `.editorconfig`
+    - `LICENSE`, `REPO_POLICIES.md` (copy from the `prompts` repo)
+    - `Makefile`
+    - `script/` entrypoints (`bootstrap`, `setup`, `projectname`, `test`,
+      `lint`, `fmt`, `fmt-check`, `check`, `docker`, `cibuild`, `precommit`,
+      `install-precommit`)
+    - `Dockerfile`, `.dockerignore`
+    - `.gitea/workflows/check.yml`
+    - Go: `go.mod`, `go.sum`, `.golangci.yml`
+    - JS: `package.json`, `yarn.lock`, `.prettierrc`, `.prettierignore`
+    - Python: `pyproject.toml`

TODO.md

@@ -1,102 +1,77 @@
-# Webhooker TODO List
+# Workflow
 
-## Phase 1: Security & Infrastructure Hardening
-- [ ] Implement proper security headers (HSTS, CSP, X-Frame-Options, etc.)
-- [ ] Add request timeouts and context handling
-- [ ] Set maximum request/response body sizes
-- [ ] Implement rate limiting middleware
-- [ ] Add CSRF protection for forms
-- [ ] Set up proper CORS handling
-- [ ] Implement request ID tracking through entire request lifecycle
-- [ ] Add panic recovery with proper error reporting
+* branch (from `main`)
+* do the work in Next Step
+* move Next Step to the top of Completed Steps
+* move the top item of Future Steps into Next Step
+* commit (`TODO.md` changes in the same commit as the work)
+* merge to `main` if the branch is not protected, otherwise open a PR
+* push
 
-## Phase 2: Authentication & Authorization
-- [ ] Create authentication middleware that checks session
-- [ ] Implement proper session expiration
-- [ ] Add "Remember me" functionality
-- [ ] Implement password reset flow
-- [ ] Add user registration (if needed)
-- [ ] Create authorization middleware for protected routes
-- [ ] Add API key authentication for programmatic access
+# Status
 
-## Phase 3: Database Models & Migrations
-- [ ] Create webhook source model (id, user_id, name, target_url, secret, created_at, etc.)
-- [ ] Create webhook request log model (id, source_id, request_headers, request_body, response_status, etc.)
-- [ ] Create webhook retry model for failed deliveries
-- [ ] Add database indexes for performance
-- [ ] Create migration system for schema updates
+pre-1.0. No git tags exist. main (afe88c6) is a working webhook proxy
+with auth, CSRF/SSRF protections, login rate limiting, Slack target,
+policy compliance (#6), and pinned lint tooling (#55). Note: TODO.md was
+deliberately deleted from this repo in f9a9569 (2026-03-01, #6); its
+content was folded into the README TODO section, which this draft
+reconstructs as of 2026-07-06.
 
-## Phase 4: Webhook Source Management UI
-- [ ] Implement webhook source list page (/sources)
-- [ ] Create webhook source creation form (/sources/new)
-- [ ] Build webhook source detail page (/source/{id})
-- [ ] Add webhook source edit functionality (/source/{id}/edit)
-- [ ] Implement webhook source deletion with confirmation
-- [ ] Add webhook URL generation and display
-- [ ] Create secret key generation and management
-- [ ] Add webhook testing functionality
+# Next Step
 
-## Phase 5: Webhook Processing Engine
-- [ ] Implement actual webhook reception at /webhook/{uuid}
-- [ ] Validate incoming webhook requests (headers, body size, etc.)
-- [ ] Create webhook forwarding logic to target URLs
-- [ ] Implement request/response logging
-- [ ] Add webhook signature verification (GitHub, Stripe, etc. formats)
-- [ ] Create webhook transformation capabilities (headers, body)
-- [ ] Implement timeout handling for outbound requests
-- [ ] Add retry logic with exponential backoff
+Implement automatic event retention cleanup based on retention_days: a
+periodic maintenance job that deletes Events, Deliveries, and
+DeliveryResults older than the parent webhook's retention_days from each
+per-webhook event database. The field exists on the Webhook model and
+the README promises the behavior, but nothing enforces it, so event
+databases currently grow without bound.
 
-## Phase 6: Webhook Logs & Analytics
-- [ ] Create webhook request log viewer (/source/{id}/logs)
-- [ ] Add filtering and search capabilities for logs
-- [ ] Implement request/response body viewer
-- [ ] Create analytics dashboard (success rates, response times)
-- [ ] Add webhook health monitoring
-- [ ] Implement alerting for failed webhooks
-- [ ] Create log retention policies
+# Completed Steps
 
-## Phase 7: Advanced Features
-- [ ] Add webhook request replay functionality
-- [ ] Implement webhook request batching
-- [ ] Create webhook request queuing system
-- [ ] Add support for multiple target URLs per source
-- [ ] Implement conditional forwarding based on payload
-- [ ] Add webhook transformation templates
-- [ ] Create webhook debugging tools
-- [ ] Implement webhook scheduling/delayed delivery
+- 2026-07-07 Adopted scripts-to-rule-them-all: `script/` entrypoints,
+  Makefile shims, README Entrypoints section
+- 2026-03-25 pin golangci-lint Docker image for linting (#55)
+- 2026-03-18 CSRF middleware detects TLS per-request, fixing login over
+  plain HTTP and behind reverse proxies (#54)
+- 2026-03-17 root path redirects based on auth state (#52)
+- 2026-03-17 CSRF protection, SSRF prevention for HTTP delivery targets
+  with DNS rebinding defense, and per-IP login rate limiting (#42)
+- 2026-03-17 Slack target type for incoming webhook notifications (#47)
+- 2026-03-17 Dockerfile absolute paths and static linking (#49);
+  absolute dev DATA_DIR default and clarified env docs (#46)
+- 2026-03-05 security headers middleware, session regeneration on
+  login, request body size limits (#41)
+- 2026-03-04 tests for delivery, middleware, and session packages
+  (#32); removed globals.Buildarch (#31)
+- 2026-03-04 1.0 MVP merge: Webhook/Entrypoint/Target rename, core
+  delivery engine with bounded worker pool and circuit breaker,
+  parallel fan-out, per-webhook event databases, management UI (#16)
+- 2026-03-01 repo brought to REPO_POLICIES standards; TODO.md folded
+  into README (#6)
 
-## Phase 8: API Development
-- [ ] Create RESTful API for webhook source management
-- [ ] Implement API authentication and rate limiting
-- [ ] Add API documentation (OpenAPI/Swagger)
-- [ ] Create API client libraries
-- [ ] Implement webhooks-as-a-service API
+# Future Steps
 
-## Phase 9: Performance & Scalability
-- [ ] Implement caching layer (Redis)
-- [ ] Add background job processing (for retries, etc.)
-- [ ] Create horizontal scaling capabilities
-- [ ] Implement webhook delivery parallelization
-- [ ] Add metrics collection (Prometheus)
-- [ ] Create performance monitoring dashboard
-
-## Phase 10: Operations & Maintenance
-- [ ] Add comprehensive logging throughout application
-- [ ] Create admin dashboard for user management
-- [ ] Implement backup and restore procedures
-- [ ] Add system health checks and monitoring
-- [ ] Create deployment automation (Docker, K8s)
-- [ ] Implement zero-downtime deployments
-- [ ] Add feature flags for gradual rollouts
-
-## Nice-to-Have Features
-- [ ] Webhook marketplace/templates
-- [ ] Team collaboration features
-- [ ] Webhook versioning
-- [ ] A/B testing for webhooks
-- [ ] Webhook analytics export
-- [ ] Mobile app for monitoring
-- [ ] Slack/Discord/Email notifications
-- [ ] Webhook documentation generator
-- [ ] GraphQL subscription support
-- [ ] WebSocket support for real-time updates 
+- Manual event redelivery from the web UI (replay is a core promised
+  capability in the README rationale)
+- Delivery status and retry management UI
+- Per-webhook rate limiting in the receiver handler (per-webhook config
+  plus handler enforcement; global limits must not apply to receiver
+  endpoints)
+- Webhook signature verification for GitHub and Stripe HMAC formats
+- API key authentication for programmatic access (APIKey model exists;
+  Bearer token middleware does not)
+- REST API v1
+    - CRUD for webhooks, entrypoints, targets
+    - event viewing and filtering endpoints
+    - event redelivery endpoint
+    - OpenAPI specification
+- Analytics dashboard: success rates, response times, volume
+- Session expiration tuning and a remember-me option
+- Password change and reset flow
+- Later, nice to have
+    - email delivery target type
+    - SNS and S3 delivery targets
+    - data transformations (e.g. webhook to Slack message formatting)
+    - JSONL file delivery with periodic S3 upload
+    - webhook event search and filtering
+    - multi-user with role-based access control

cmd/webhooker/main.go

@@ -0,0 +1,49 @@
+// Package main is the entry point for the webhooker application.
+package main
+
+import (
+	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/handlers"
+	"sneak.berlin/go/webhooker/internal/healthcheck"
+	"sneak.berlin/go/webhooker/internal/logger"
+	"sneak.berlin/go/webhooker/internal/middleware"
+	"sneak.berlin/go/webhooker/internal/server"
+	"sneak.berlin/go/webhooker/internal/session"
+)
+
+// Build-time variables set via -ldflags.
+//
+//nolint:gochecknoglobals // Build-time variables injected by the linker.
+var (
+	version = "dev"
+	appname = "webhooker"
+)
+
+func main() {
+	globals.Appname = appname
+	globals.Version = version
+
+	fx.New(
+		fx.Provide(
+			globals.New,
+			logger.New,
+			config.New,
+			database.New,
+			database.NewWebhookDBManager,
+			healthcheck.New,
+			session.New,
+			handlers.New,
+			middleware.New,
+			delivery.New,
+			// Wire *delivery.Engine as delivery.Notifier so the
+			// webhook handler can notify the engine of new deliveries.
+			func(e *delivery.Engine) delivery.Notifier { return e },
+			server.New,
+		),
+		fx.Invoke(func(*server.Server, *delivery.Engine) {}),
+	).Run()
+}

config.yaml

@@ -1,50 +0,0 @@
-environments:
-  dev:
-    config:
-      port: 8080
-      debug: true
-      maintenanceMode: false
-      developmentMode: true
-      environment: dev
-      # Database URL for local development
-      dburl: postgres://webhooker:webhooker@localhost:5432/webhooker_dev?sslmode=disable
-      # Basic auth for metrics endpoint in dev
-      metricsUsername: admin
-      metricsPassword: admin
-      # Dev admin credentials for testing
-      devAdminUsername: devadmin
-      devAdminPassword: devpassword
-    secrets:
-      # Use default insecure session key for development
-      sessionKey: d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE=
-      # Sentry DSN - usually not needed in dev
-      sentryDSN: ""
-
-  prod:
-    config:
-      port: $ENV:PORT
-      debug: $ENV:DEBUG
-      maintenanceMode: $ENV:MAINTENANCE_MODE
-      developmentMode: false
-      environment: prod
-      dburl: $ENV:DBURL
-      metricsUsername: $ENV:METRICS_USERNAME
-      metricsPassword: $ENV:METRICS_PASSWORD
-      # Dev admin credentials should not be set in production
-      devAdminUsername: ""
-      devAdminPassword: ""
-    secrets:
-      sessionKey: $ENV:SESSION_KEY
-      sentryDSN: $ENV:SENTRY_DSN
-
-configDefaults:
-  # These defaults apply to all environments unless overridden
-  port: 8080
-  debug: false
-  maintenanceMode: false
-  developmentMode: false
-  environment: dev
-  metricsUsername: ""
-  metricsPassword: ""
-  devAdminUsername: ""
-  devAdminPassword: "" 

go.mod

@@ -1,21 +1,19 @@
-module git.eeqj.de/sneak/webhooker
+module sneak.berlin/go/webhooker
 
-go 1.23.0
-
-toolchain go1.24.1
+go 1.26.1
 
 require (
-	git.eeqj.de/sneak/webhooker/pkg/config v0.0.0-00010101000000-000000000000
 	github.com/99designs/basicauth-go v0.0.0-20230316000542-bf6f9cbbf0f8
 	github.com/getsentry/sentry-go v0.25.0
 	github.com/go-chi/chi v1.5.5
 	github.com/go-chi/cors v1.2.1
+	github.com/go-chi/httprate v0.15.0
 	github.com/google/uuid v1.6.0
+	github.com/gorilla/csrf v1.7.3
 	github.com/gorilla/sessions v1.4.0
 	github.com/joho/godotenv v1.5.1
 	github.com/prometheus/client_golang v1.18.0
 	github.com/slok/go-http-metrics v0.11.0
-	github.com/spf13/viper v1.18.2
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/fx v1.20.1
 	golang.org/x/crypto v0.38.0
@@ -25,67 +23,35 @@ require (
 )
 
 require (
-	cloud.google.com/go/compute v1.23.3 // indirect
-	cloud.google.com/go/compute/metadata v0.2.3 // indirect
-	cloud.google.com/go/iam v1.1.5 // indirect
-	cloud.google.com/go/secretmanager v1.11.4 // indirect
-	github.com/aws/aws-sdk-go v1.50.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/s2a-go v0.1.7 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
-	github.com/googleapis/gax-go/v2 v2.12.0 // indirect
 	github.com/gorilla/securecookie v1.1.2 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-sqlite3 v1.14.17 // indirect
 	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/common v0.45.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.14.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.6.0 // indirect
-	go.opencensus.io v0.24.0 // indirect
+	github.com/zeebo/xxh3 v1.0.2 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/dig v1.17.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
 	go.uber.org/zap v1.23.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/net v0.25.0 // indirect
-	golang.org/x/oauth2 v0.15.0 // indirect
 	golang.org/x/sync v0.14.0 // indirect
 	golang.org/x/sys v0.33.0 // indirect
 	golang.org/x/text v0.25.0 // indirect
-	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
-	google.golang.org/api v0.153.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f // indirect
-	google.golang.org/grpc v1.59.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/uint128 v1.2.0 // indirect
 	modernc.org/cc/v3 v3.40.0 // indirect
@@ -97,5 +63,3 @@ require (
 	modernc.org/strutil v1.1.3 // indirect
 	modernc.org/token v1.0.1 // indirect
 )
-
-replace git.eeqj.de/sneak/webhooker/pkg/config => ./pkg/config

go.sum

@@ -1,74 +1,29 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.110.10 h1:LXy9GEO+timppncPIAZoOj3l58LIU9k+kn48AN7IO3Y=
-cloud.google.com/go v0.110.10/go.mod h1:v1OoFqYxiBkUrruItNM3eT4lLByNjxmJSV/xDKJNnic=
-cloud.google.com/go/compute v1.23.3 h1:6sVlXXBmbd7jNX0Ipq0trII3e4n1/MsADLK6a+aiVlk=
-cloud.google.com/go/compute v1.23.3/go.mod h1:VCgBUoMnIVIR0CscqQiPJLAG25E3ZRZMzcFZeQ+h8CI=
-cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
-cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
-cloud.google.com/go/iam v1.1.5 h1:1jTsCu4bcsNsE4iiqNT5SHwrDRCfRmIaaaVFhRveTJI=
-cloud.google.com/go/iam v1.1.5/go.mod h1:rB6P/Ic3mykPbFio+vo7403drjlgvoWfYpJhMXEbzv8=
-cloud.google.com/go/secretmanager v1.11.4 h1:krnX9qpG2kR2fJ+u+uNyNo+ACVhplIAS4Pu7u+4gd+k=
-cloud.google.com/go/secretmanager v1.11.4/go.mod h1:wreJlbS9Zdq21lMzWmJ0XhWW2ZxgPeahsqeV/vZoJ3w=
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@@ -128,7 +68,6 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
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@@ -139,37 +78,18 @@ github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94
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@@ -182,109 +102,32 @@ go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
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 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
-gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/sqlite v1.5.4 h1:IqXwXi8M/ZlPzH/947tn5uik3aYQslP9BVveoax0nV0=
 gorm.io/driver/sqlite v1.5.4/go.mod h1:qxAuCol+2r6PannQDpOP1FP6ag3mKi4esLnB/jHed+4=
 gorm.io/gorm v1.25.5 h1:zR9lOiiYf09VNh5Q1gphfyia1JpiClIWG9hQaxB/mls=
 gorm.io/gorm v1.25.5/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 lukechampine.com/uint128 v1.2.0 h1:mBi/5l91vocEN8otkC5bDLhi2KdCticRiwbdB0O+rjI=
 lukechampine.com/uint128 v1.2.0/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
 modernc.org/cc/v3 v3.40.0 h1:P3g79IUS/93SYhtoeaHW+kRCIrYaxJ27MFPv+7kaTOw=

internal/config/config.go

@@ -1,125 +1,147 @@
+// Package config loads application configuration from environment variables.
 package config
 
 import (
+	"errors"
 	"fmt"
 	"log/slog"
 	"os"
+	"strconv"
+	"strings"
 
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
-	pkgconfig "git.eeqj.de/sneak/webhooker/pkg/config"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
 
-	// spooky action at a distance!
-	// this populates the environment
-	// from a ./.env file automatically
-	// for development configuration.
-	// .env contents should be things like
-	// `DBURL=postgres://user:pass@.../`
-	// (without the backticks, of course)
+	// Populates the environment from a ./.env file automatically for
+	// development configuration. Kept in one place only (here).
 	_ "github.com/joho/godotenv/autoload"
 )
 
 const (
-	// EnvironmentDev represents development environment
+	// EnvironmentDev represents development environment.
 	EnvironmentDev = "dev"
-	// EnvironmentProd represents production environment
+	// EnvironmentProd represents production environment.
 	EnvironmentProd = "prod"
-	// DevSessionKey is an insecure default session key for development
-	// This is "webhooker-dev-session-key-insecure!" base64 encoded
-	DevSessionKey = "d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE="
+
+	// defaultPort is the default HTTP listen port.
+	defaultPort = 8080
 )
 
-// nolint:revive // ConfigParams is a standard fx naming convention
+// ErrInvalidEnvironment is returned when WEBHOOKER_ENVIRONMENT
+// contains an unrecognised value.
+var ErrInvalidEnvironment = errors.New("invalid environment")
+
+//nolint:revive // ConfigParams is a standard fx naming convention.
 type ConfigParams struct {
 	fx.In
+
 	Globals *globals.Globals
 	Logger  *logger.Logger
 }
 
+// Config holds all application configuration loaded from
+// environment variables.
 type Config struct {
-	DBURL            string
+	DataDir         string
 	Debug           bool
 	MaintenanceMode bool
-	DevelopmentMode  bool
-	DevAdminUsername string
-	DevAdminPassword string
 	Environment     string
 	MetricsPassword string
 	MetricsUsername string
 	Port            int
 	SentryDSN       string
-	SessionKey       string
 	params          *ConfigParams
 	log             *slog.Logger
 }
 
-// IsDev returns true if running in development environment
+// IsDev returns true if running in development environment.
 func (c *Config) IsDev() bool {
 	return c.Environment == EnvironmentDev
 }
 
-// IsProd returns true if running in production environment
+// IsProd returns true if running in production environment.
 func (c *Config) IsProd() bool {
 	return c.Environment == EnvironmentProd
 }
 
-// nolint:revive // lc parameter is required by fx even if unused
+// envString returns the value of the named environment variable,
+// or an empty string if not set.
+func envString(key string) string {
+	return os.Getenv(key)
+}
+
+// envBool returns the value of the named environment variable
+// parsed as a boolean. Returns defaultValue if not set.
+func envBool(key string, defaultValue bool) bool {
+	if v := os.Getenv(key); v != "" {
+		return strings.EqualFold(v, "true") || v == "1"
+	}
+
+	return defaultValue
+}
+
+// envInt returns the value of the named environment variable
+// parsed as an integer. Returns defaultValue if not set or
+// unparseable.
+func envInt(key string, defaultValue int) int {
+	if v := os.Getenv(key); v != "" {
+		i, err := strconv.Atoi(v)
+		if err == nil {
+			return i
+		}
+	}
+
+	return defaultValue
+}
+
+// New creates a Config by reading environment variables.
+//
+//nolint:revive // lc parameter is required by fx even if unused.
 func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 	log := params.Logger.Get()
 
-	// Determine environment from WEBHOOKER_ENVIRONMENT env var, default to dev
+	// Determine environment from WEBHOOKER_ENVIRONMENT env var,
+	// default to dev
 	environment := os.Getenv("WEBHOOKER_ENVIRONMENT")
 	if environment == "" {
 		environment = EnvironmentDev
 	}
 
 	// Validate environment
-	if environment != EnvironmentDev && environment != EnvironmentProd {
-		return nil, fmt.Errorf("WEBHOOKER_ENVIRONMENT must be either '%s' or '%s', got '%s'",
-			EnvironmentDev, EnvironmentProd, environment)
+	if environment != EnvironmentDev &&
+		environment != EnvironmentProd {
+		return nil, fmt.Errorf(
+			"%w: WEBHOOKER_ENVIRONMENT must be '%s' or '%s', got '%s'",
+			ErrInvalidEnvironment,
+			EnvironmentDev, EnvironmentProd, environment,
+		)
 	}
 
-	// Set the environment in the config package
-	pkgconfig.SetEnvironment(environment)
-
-	// Load configuration values
+	// Load configuration values from environment variables
 	s := &Config{
-		DBURL:            pkgconfig.GetString("dburl"),
-		Debug:            pkgconfig.GetBool("debug"),
-		MaintenanceMode:  pkgconfig.GetBool("maintenanceMode"),
-		DevelopmentMode:  pkgconfig.GetBool("developmentMode"),
-		DevAdminUsername: pkgconfig.GetString("devAdminUsername"),
-		DevAdminPassword: pkgconfig.GetString("devAdminPassword"),
-		Environment:      pkgconfig.GetString("environment", environment),
-		MetricsUsername:  pkgconfig.GetString("metricsUsername"),
-		MetricsPassword:  pkgconfig.GetString("metricsPassword"),
-		Port:             pkgconfig.GetInt("port", 8080),
-		SentryDSN:        pkgconfig.GetSecretString("sentryDSN"),
-		SessionKey:       pkgconfig.GetSecretString("sessionKey"),
+		DataDir:         envString("DATA_DIR"),
+		Debug:           envBool("DEBUG", false),
+		MaintenanceMode: envBool("MAINTENANCE_MODE", false),
+		Environment:     environment,
+		MetricsUsername: envString("METRICS_USERNAME"),
+		MetricsPassword: envString("METRICS_PASSWORD"),
+		Port:            envInt("PORT", defaultPort),
+		SentryDSN:       envString("SENTRY_DSN"),
 		log:             log,
 		params:          &params,
 	}
 
-	// Validate database URL
-	if s.DBURL == "" {
-		return nil, fmt.Errorf("database URL (dburl) is required")
-	}
-
-	// In production, require session key
-	if s.IsProd() && s.SessionKey == "" {
-		return nil, fmt.Errorf("SESSION_KEY is required in production environment")
-	}
-
-	// In development mode, warn if using default session key
-	if s.IsDev() && s.SessionKey == DevSessionKey {
-		log.Warn("Using insecure default session key for development mode")
+	// Set default DataDir. All SQLite databases (main application
+	// DB and per-webhook event DBs) live here. The same default is
+	// used regardless of environment; override with DATA_DIR if
+	// needed.
+	if s.DataDir == "" {
+		s.DataDir = "/var/lib/webhooker"
 	}
 
 	if s.Debug {
 		params.Logger.EnableDebugLogging()
-		s.log = params.Logger.Get()
-		log.Debug("Debug mode enabled")
 	}
 
 	// Log configuration summary (without secrets)
@@ -128,10 +150,10 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 		"port", s.Port,
 		"debug", s.Debug,
 		"maintenanceMode", s.MaintenanceMode,
-		"developmentMode", s.DevelopmentMode,
-		"hasSessionKey", s.SessionKey != "",
+		"dataDir", s.DataDir,
 		"hasSentryDSN", s.SentryDSN != "",
-		"hasMetricsAuth", s.MetricsUsername != "" && s.MetricsPassword != "",
+		"hasMetricsAuth",
+		s.MetricsUsername != "" && s.MetricsPassword != "",
 	)
 
 	return s, nil

internal/config/config_test.go

@@ -1,69 +1,18 @@
-package config
+package config_test
 
 import (
 	"os"
 	"testing"
 
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
-	pkgconfig "git.eeqj.de/sneak/webhooker/pkg/config"
-	"github.com/spf13/afero"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/fx"
 	"go.uber.org/fx/fxtest"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
-// createTestConfig creates a test configuration file in memory
-func createTestConfig(fs afero.Fs) error {
-	configYAML := `
-environments:
-  dev:
-    config:
-      port: 8080
-      debug: true
-      maintenanceMode: false
-      developmentMode: true
-      environment: dev
-      dburl: postgres://test:test@localhost:5432/test_dev?sslmode=disable
-      metricsUsername: testuser
-      metricsPassword: testpass
-      devAdminUsername: devadmin
-      devAdminPassword: devpass
-    secrets:
-      sessionKey: d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE=
-      sentryDSN: ""
-
-  prod:
-    config:
-      port: $ENV:PORT
-      debug: $ENV:DEBUG
-      maintenanceMode: $ENV:MAINTENANCE_MODE
-      developmentMode: false
-      environment: prod
-      dburl: $ENV:DBURL
-      metricsUsername: $ENV:METRICS_USERNAME
-      metricsPassword: $ENV:METRICS_PASSWORD
-      devAdminUsername: ""
-      devAdminPassword: ""
-    secrets:
-      sessionKey: $ENV:SESSION_KEY
-      sentryDSN: $ENV:SENTRY_DSN
-
-configDefaults:
-  port: 8080
-  debug: false
-  maintenanceMode: false
-  developmentMode: false
-  environment: dev
-  metricsUsername: ""
-  metricsPassword: ""
-  devAdminUsername: ""
-  devAdminPassword: ""
-`
-	return afero.WriteFile(fs, "config.yaml", []byte(configYAML), 0644)
-}
-
 func TestEnvironmentConfig(t *testing.T) {
 	tests := []struct {
 		name        string
@@ -75,26 +24,18 @@ func TestEnvironmentConfig(t *testing.T) {
 	}{
 		{
 			name:   "default is dev",
-			envValue:    "",
-			expectError: false,
 			isDev:  true,
 			isProd: false,
 		},
 		{
 			name:     "explicit dev",
 			envValue: "dev",
-			expectError: false,
 			isDev:    true,
 			isProd:   false,
 		},
 		{
-			name:     "explicit prod with session key",
+			name:     "explicit prod",
 			envValue: "prod",
-			envVars: map[string]string{
-				"SESSION_KEY": "cHJvZC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
-				"DBURL":       "postgres://prod:prod@localhost:5432/prod?sslmode=require",
-			},
-			expectError: false,
 			isDev:    false,
 			isProd:   true,
 		},
@@ -107,194 +48,118 @@ func TestEnvironmentConfig(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			// Create in-memory filesystem with test config
-			fs := afero.NewMemMapFs()
-			require.NoError(t, createTestConfig(fs))
-			pkgconfig.SetFs(fs)
-
-			// Set environment variable if specified
+			// Cannot use t.Parallel() here because t.Setenv
+			// is incompatible with parallel subtests.
 			if tt.envValue != "" {
-				os.Setenv("WEBHOOKER_ENVIRONMENT", tt.envValue)
-				defer os.Unsetenv("WEBHOOKER_ENVIRONMENT")
+				t.Setenv(
+					"WEBHOOKER_ENVIRONMENT", tt.envValue,
+				)
+			} else {
+				require.NoError(t, os.Unsetenv(
+					"WEBHOOKER_ENVIRONMENT",
+				))
 			}
 
-			// Set additional environment variables
 			for k, v := range tt.envVars {
-				os.Setenv(k, v)
-				defer os.Unsetenv(k)
+				t.Setenv(k, v)
 			}
 
 			if tt.expectError {
-				// Use regular fx.New for error cases since fxtest doesn't expose errors the same way
-				var cfg *Config
-				app := fx.New(
-					fx.NopLogger, // Suppress fx logs in tests
-					fx.Provide(
-						globals.New,
-						logger.New,
-						New,
-					),
-					fx.Populate(&cfg),
-				)
-				assert.Error(t, app.Err())
+				testEnvironmentConfigError(t)
 			} else {
-				// Use fxtest for success cases
-				var cfg *Config
-				app := fxtest.New(
-					t,
-					fx.Provide(
-						globals.New,
-						logger.New,
-						New,
-					),
-					fx.Populate(&cfg),
+				testEnvironmentConfigSuccess(
+					t, tt.isDev, tt.isProd,
 				)
-				require.NoError(t, app.Err())
-				app.RequireStart()
-				defer app.RequireStop()
-
-				assert.Equal(t, tt.isDev, cfg.IsDev())
-				assert.Equal(t, tt.isProd, cfg.IsProd())
 			}
 		})
 	}
 }
 
-func TestSessionKeyDefaults(t *testing.T) {
-	tests := []struct {
-		name        string
-		environment string
-		sessionKey  string
-		dburl       string
-		expectError bool
-		expectedKey string
-	}{
-		{
-			name:        "dev mode with default session key",
-			environment: "dev",
-			sessionKey:  "",
-			expectError: false,
-			expectedKey: DevSessionKey,
-		},
-		{
-			name:        "dev mode with custom session key",
-			environment: "dev",
-			sessionKey:  "Y3VzdG9tLXNlc3Npb24ta2V5LTMyLWJ5dGVzLWxvbmchIQ==",
-			expectError: false,
-			expectedKey: "Y3VzdG9tLXNlc3Npb24ta2V5LTMyLWJ5dGVzLWxvbmchIQ==",
-		},
-		{
-			name:        "prod mode with no session key fails",
-			environment: "prod",
-			sessionKey:  "",
-			dburl:       "postgres://prod:prod@localhost:5432/prod",
-			expectError: true,
-		},
-		{
-			name:        "prod mode with session key succeeds",
-			environment: "prod",
-			sessionKey:  "cHJvZC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
-			dburl:       "postgres://prod:prod@localhost:5432/prod",
-			expectError: false,
-			expectedKey: "cHJvZC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
-		},
-	}
+func testEnvironmentConfigError(t *testing.T) {
+	t.Helper()
 
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			// Create in-memory filesystem with test config
-			fs := afero.NewMemMapFs()
+	var cfg *config.Config
 
-			// Create custom config for session key tests
-			configYAML := `
-environments:
-  dev:
-    config:
-      environment: dev
-      developmentMode: true
-      dburl: postgres://test:test@localhost:5432/test_dev
-    secrets:`
-
-			// Only add sessionKey line if it's not empty
-			if tt.sessionKey != "" {
-				configYAML += `
-      sessionKey: ` + tt.sessionKey
-			} else if tt.environment == "dev" {
-				// For dev mode with no session key, use the default
-				configYAML += `
-      sessionKey: d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE=`
-			}
-
-			// Add prod config if testing prod
-			if tt.environment == "prod" {
-				configYAML += `
-  prod:
-    config:
-      environment: prod
-      developmentMode: false
-      dburl: $ENV:DBURL
-    secrets:
-      sessionKey: $ENV:SESSION_KEY`
-			}
-
-			require.NoError(t, afero.WriteFile(fs, "config.yaml", []byte(configYAML), 0644))
-			pkgconfig.SetFs(fs)
-
-			// Clean up any existing env vars
-			os.Unsetenv("WEBHOOKER_ENVIRONMENT")
-			os.Unsetenv("SESSION_KEY")
-			os.Unsetenv("DBURL")
-
-			// Set environment variables
-			os.Setenv("WEBHOOKER_ENVIRONMENT", tt.environment)
-			defer os.Unsetenv("WEBHOOKER_ENVIRONMENT")
-
-			if tt.sessionKey != "" && tt.environment == "prod" {
-				os.Setenv("SESSION_KEY", tt.sessionKey)
-				defer os.Unsetenv("SESSION_KEY")
-			}
-
-			if tt.dburl != "" {
-				os.Setenv("DBURL", tt.dburl)
-				defer os.Unsetenv("DBURL")
-			}
-
-			if tt.expectError {
-				// Use regular fx.New for error cases
-				var cfg *Config
 	app := fx.New(
-					fx.NopLogger, // Suppress fx logs in tests
+		fx.NopLogger,
 		fx.Provide(
 			globals.New,
 			logger.New,
-						New,
+			config.New,
 		),
 		fx.Populate(&cfg),
 	)
+
 	assert.Error(t, app.Err())
-			} else {
-				// Use fxtest for success cases
-				var cfg *Config
+}
+
+func testEnvironmentConfigSuccess(
+	t *testing.T,
+	isDev, isProd bool,
+) {
+	t.Helper()
+
+	var cfg *config.Config
+
 	app := fxtest.New(
 		t,
 		fx.Provide(
 			globals.New,
 			logger.New,
-						New,
+			config.New,
 		),
 		fx.Populate(&cfg),
 	)
 	require.NoError(t, app.Err())
+
 	app.RequireStart()
+
 	defer app.RequireStop()
 
-				if tt.environment == "dev" && tt.sessionKey == "" {
-					// Dev mode with no session key uses default
-					assert.Equal(t, DevSessionKey, cfg.SessionKey)
+	assert.Equal(t, isDev, cfg.IsDev())
+	assert.Equal(t, isProd, cfg.IsProd())
+}
+
+func TestDefaultDataDir(t *testing.T) {
+	for _, env := range []string{"", "dev", "prod"} {
+		name := env
+		if name == "" {
+			name = "unset"
+		}
+
+		t.Run("env="+name, func(t *testing.T) {
+			// Cannot use t.Parallel() here because t.Setenv
+			// is incompatible with parallel subtests.
+			if env != "" {
+				t.Setenv("WEBHOOKER_ENVIRONMENT", env)
 			} else {
-					assert.Equal(t, tt.expectedKey, cfg.SessionKey)
-				}
+				require.NoError(t, os.Unsetenv(
+					"WEBHOOKER_ENVIRONMENT",
+				))
 			}
+
+			require.NoError(t, os.Unsetenv("DATA_DIR"))
+
+			var cfg *config.Config
+
+			app := fxtest.New(
+				t,
+				fx.Provide(
+					globals.New,
+					logger.New,
+					config.New,
+				),
+				fx.Populate(&cfg),
+			)
+			require.NoError(t, app.Err())
+
+			app.RequireStart()
+
+			defer app.RequireStop()
+
+			assert.Equal(
+				t, "/var/lib/webhooker", cfg.DataDir,
+			)
 		})
 	}
 }

internal/database/base_model.go

@@ -11,15 +11,16 @@ import (
 // This replaces gorm.Model but uses UUID instead of uint for ID
 type BaseModel struct {
 	ID        string         `gorm:"type:uuid;primary_key" json:"id"`
-	CreatedAt time.Time      `json:"created_at"`
-	UpdatedAt time.Time      `json:"updated_at"`
-	DeletedAt gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`
+	CreatedAt time.Time      `json:"createdAt"`
+	UpdatedAt time.Time      `json:"updatedAt"`
+	DeletedAt gorm.DeletedAt `gorm:"index"                 json:"deletedAt,omitzero"`
 }
 
-// BeforeCreate hook to set UUID before creating a record
-func (b *BaseModel) BeforeCreate(tx *gorm.DB) error {
+// BeforeCreate hook to set UUID before creating a record.
+func (b *BaseModel) BeforeCreate(_ *gorm.DB) error {
 	if b.ID == "" {
 		b.ID = uuid.New().String()
 	}
+
 	return nil
 }

internal/database/database.go

@@ -1,42 +1,61 @@
+// Package database provides SQLite persistence for webhooks, events, and users.
 package database
 
 import (
 	"context"
+	"crypto/rand"
 	"database/sql"
+	"encoding/base64"
+	"errors"
+	"fmt"
 	"log/slog"
+	"os"
+	"path/filepath"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
 	"go.uber.org/fx"
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	_ "modernc.org/sqlite" // Pure Go SQLite driver
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
-// nolint:revive // DatabaseParams is a standard fx naming convention
+const (
+	dataDirPerm       = 0750
+	randomPasswordLen = 16
+	sessionKeyLen     = 32
+)
+
+//nolint:revive // DatabaseParams is a standard fx naming convention.
 type DatabaseParams struct {
 	fx.In
+
 	Config *config.Config
 	Logger *logger.Logger
 }
 
+// Database manages the main SQLite connection and schema migrations.
 type Database struct {
 	db     *gorm.DB
 	log    *slog.Logger
 	params *DatabaseParams
 }
 
-func New(lc fx.Lifecycle, params DatabaseParams) (*Database, error) {
+// New creates a Database that connects on fx start and disconnects on stop.
+func New(
+	lc fx.Lifecycle,
+	params DatabaseParams,
+) (*Database, error) {
 	d := &Database{
 		params: &params,
 		log:    params.Logger.Get(),
 	}
 
 	lc.Append(fx.Hook{
-		OnStart: func(_ context.Context) error { // nolint:revive // ctx unused but required by fx
+		OnStart: func(_ context.Context) error {
 			return d.connect()
 		},
-		OnStop: func(_ context.Context) error { // nolint:revive // ctx unused but required by fx
+		OnStop: func(_ context.Context) error {
 			return d.close()
 		},
 	})
@@ -44,17 +63,92 @@ func New(lc fx.Lifecycle, params DatabaseParams) (*Database, error) {
 	return d, nil
 }
 
-func (d *Database) connect() error {
-	dbURL := d.params.Config.DBURL
-	if dbURL == "" {
-		// Default to SQLite for development
-		dbURL = "file:webhooker.db?cache=shared&mode=rwc"
+// DB returns the underlying GORM database handle.
+func (d *Database) DB() *gorm.DB {
+	return d.db
+}
+
+// GetOrCreateSessionKey retrieves the session encryption key from the
+// settings table. If no key exists, a cryptographically secure random
+// 32-byte key is generated, base64-encoded, and stored for future use.
+func (d *Database) GetOrCreateSessionKey() (string, error) {
+	var setting Setting
+
+	result := d.db.Where(
+		&Setting{Key: "session_key"},
+	).First(&setting)
+	if result.Error == nil {
+		return setting.Value, nil
 	}
 
-	// First, open the database with the pure Go driver
+	if !errors.Is(result.Error, gorm.ErrRecordNotFound) {
+		return "", fmt.Errorf(
+			"failed to query session key: %w",
+			result.Error,
+		)
+	}
+
+	// Generate a new cryptographically secure 32-byte key
+	keyBytes := make([]byte, sessionKeyLen)
+
+	_, err := rand.Read(keyBytes)
+	if err != nil {
+		return "", fmt.Errorf(
+			"failed to generate session key: %w",
+			err,
+		)
+	}
+
+	encoded := base64.StdEncoding.EncodeToString(keyBytes)
+
+	setting = Setting{
+		Key:   "session_key",
+		Value: encoded,
+	}
+
+	err = d.db.Create(&setting).Error
+	if err != nil {
+		return "", fmt.Errorf(
+			"failed to store session key: %w",
+			err,
+		)
+	}
+
+	d.log.Info(
+		"generated new session key and stored in database",
+	)
+
+	return encoded, nil
+}
+
+func (d *Database) connect() error {
+	// Ensure the data directory exists before opening the database.
+	dataDir := d.params.Config.DataDir
+
+	err := os.MkdirAll(dataDir, dataDirPerm)
+	if err != nil {
+		return fmt.Errorf(
+			"creating data directory %s: %w",
+			dataDir,
+			err,
+		)
+	}
+
+	// Construct the main application database path inside DATA_DIR.
+	dbPath := filepath.Join(dataDir, "webhooker.db")
+	dbURL := fmt.Sprintf(
+		"file:%s?cache=shared&mode=rwc",
+		dbPath,
+	)
+
+	// Open the database with the pure Go SQLite driver
 	sqlDB, err := sql.Open("sqlite", dbURL)
 	if err != nil {
-		d.log.Error("failed to open database", "error", err)
+		d.log.Error(
+			"failed to open database",
+			"error", err,
+		)
+
 		return err
 	}
 
@@ -63,12 +157,16 @@ func (d *Database) connect() error {
 		Conn: sqlDB,
 	}, &gorm.Config{})
 	if err != nil {
-		d.log.Error("failed to connect to database", "error", err)
+		d.log.Error(
+			"failed to connect to database",
+			"error", err,
+		)
+
 		return err
 	}
 
 	d.db = db
-	d.log.Info("connected to database", "database", dbURL)
+	d.log.Info("connected to database", "path", dbPath)
 
 	// Run migrations
 	return d.migrate()
@@ -76,34 +174,62 @@ func (d *Database) connect() error {
 
 func (d *Database) migrate() error {
 	// Run GORM auto-migrations
-	if err := d.Migrate(); err != nil {
-		d.log.Error("failed to run database migrations", "error", err)
+	err := d.Migrate()
+	if err != nil {
+		d.log.Error(
+			"failed to run database migrations",
+			"error", err,
+		)
+
 		return err
 	}
+
 	d.log.Info("database migrations completed")
 
 	// Check if admin user exists
 	var userCount int64
-	if err := d.db.Model(&User{}).Count(&userCount).Error; err != nil {
-		d.log.Error("failed to count users", "error", err)
+
+	err = d.db.Model(&User{}).Count(&userCount).Error
+	if err != nil {
+		d.log.Error(
+			"failed to count users",
+			"error", err,
+		)
+
 		return err
 	}
 
 	if userCount == 0 {
-		// Create admin user
+		return d.createAdminUser()
+	}
+
+	return nil
+}
+
+func (d *Database) createAdminUser() error {
 	d.log.Info("no users found, creating admin user")
 
 	// Generate random password
-		password, err := GenerateRandomPassword(16)
+	password, err := GenerateRandomPassword(
+		randomPasswordLen,
+	)
 	if err != nil {
-			d.log.Error("failed to generate random password", "error", err)
+		d.log.Error(
+			"failed to generate random password",
+			"error", err,
+		)
+
 		return err
 	}
 
 	// Hash the password
 	hashedPassword, err := HashPassword(password)
 	if err != nil {
-			d.log.Error("failed to hash password", "error", err)
+		d.log.Error(
+			"failed to hash password",
+			"error", err,
+		)
+
 		return err
 	}
 
@@ -113,17 +239,22 @@ func (d *Database) migrate() error {
 		Password: hashedPassword,
 	}
 
-		if err := d.db.Create(adminUser).Error; err != nil {
-			d.log.Error("failed to create admin user", "error", err)
+	err = d.db.Create(adminUser).Error
+	if err != nil {
+		d.log.Error(
+			"failed to create admin user",
+			"error", err,
+		)
+
 		return err
 	}
 
-		// Log the password - this will only happen once on first startup
 	d.log.Info("admin user created",
 		"username", "admin",
 		"password", password,
-			"message", "SAVE THIS PASSWORD - it will not be shown again!")
-	}
+		"message",
+		"SAVE THIS PASSWORD - it will not be shown again!",
+	)
 
 	return nil
 }
@@ -134,11 +265,9 @@ func (d *Database) close() error {
 		if err != nil {
 			return err
 		}
+
 		return sqlDB.Close()
 	}
+
 	return nil
 }
-
-func (d *Database) DB() *gorm.DB {
-	return d.db
-}

internal/database/database_test.go

@@ -1,49 +1,42 @@
-package database
+package database_test
 
 import (
 	"context"
 	"testing"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
 	"go.uber.org/fx/fxtest"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
-func TestDatabaseConnection(t *testing.T) {
-	// Set up test dependencies
+func setupTestDB(
+	t *testing.T,
+) (*database.Database, *fxtest.Lifecycle) {
+	t.Helper()
+
 	lc := fxtest.NewLifecycle(t)
 
-	// Create globals
-	globals.Appname = "webhooker-test"
-	globals.Version = "test"
-	globals.Buildarch = "test"
-
-	g, err := globals.New(lc)
-	if err != nil {
-		t.Fatalf("Failed to create globals: %v", err)
+	g := &globals.Globals{
+		Appname: "webhooker-test",
+		Version: "test",
 	}
 
-	// Create logger
-	l, err := logger.New(lc, logger.LoggerParams{Globals: g})
+	l, err := logger.New(
+		lc,
+		logger.LoggerParams{Globals: g},
+	)
 	if err != nil {
 		t.Fatalf("Failed to create logger: %v", err)
 	}
 
-	// Create config
-	c, err := config.New(lc, config.ConfigParams{
-		Globals: g,
-		Logger:  l,
-	})
-	if err != nil {
-		t.Fatalf("Failed to create config: %v", err)
+	c := &config.Config{
+		DataDir:     t.TempDir(),
+		Environment: "dev",
 	}
 
-	// Set test database URL
-	c.DBURL = "file:test.db?cache=shared&mode=rwc"
-
-	// Create database
-	db, err := New(lc, DatabaseParams{
+	db, err := database.New(lc, database.DatabaseParams{
 		Config: c,
 		Logger: l,
 	})
@@ -51,31 +44,45 @@ func TestDatabaseConnection(t *testing.T) {
 		t.Fatalf("Failed to create database: %v", err)
 	}
 
-	// Start lifecycle (this will trigger the connection)
+	return db, lc
+}
+
+func TestDatabaseConnection(t *testing.T) {
+	t.Parallel()
+
+	db, lc := setupTestDB(t)
 	ctx := context.Background()
-	err = lc.Start(ctx)
+
+	err := lc.Start(ctx)
 	if err != nil {
 		t.Fatalf("Failed to connect to database: %v", err)
 	}
+
 	defer func() {
-		if stopErr := lc.Stop(ctx); stopErr != nil {
-			t.Errorf("Failed to stop lifecycle: %v", stopErr)
+		stopErr := lc.Stop(ctx)
+		if stopErr != nil {
+			t.Errorf(
+				"Failed to stop lifecycle: %v",
+				stopErr,
+			)
 		}
 	}()
 
-	// Verify we can get the DB instance
 	if db.DB() == nil {
 		t.Error("Expected non-nil database connection")
 	}
 
-	// Test that we can perform a simple query
 	var result int
+
 	err = db.DB().Raw("SELECT 1").Scan(&result).Error
 	if err != nil {
 		t.Fatalf("Failed to execute test query: %v", err)
 	}
 
 	if result != 1 {
-		t.Errorf("Expected query result to be 1, got %d", result)
+		t.Errorf(
+			"Expected query result to be 1, got %d",
+			result,
+		)
 	}
 }

internal/database/model_apikey.go

@@ -6,11 +6,11 @@ import "time"
 type APIKey struct {
 	BaseModel
 
-	UserID      string     `gorm:"type:uuid;not null" json:"user_id"`
+	UserID      string     `gorm:"type:uuid;not null"   json:"userId"`
 	Key         string     `gorm:"uniqueIndex;not null" json:"key"`
 	Description string     `json:"description"`
-	LastUsedAt  *time.Time `json:"last_used_at,omitempty"`
+	LastUsedAt  *time.Time `json:"lastUsedAt,omitempty"`
 
 	// Relations
-	User User `json:"user,omitempty"`
+	User User `json:"user,omitzero"`
 }

internal/database/model_delivery.go

@@ -3,6 +3,7 @@ package database
 // DeliveryStatus represents the status of a delivery
 type DeliveryStatus string
 
+// Delivery status values.
 const (
 	DeliveryStatusPending   DeliveryStatus = "pending"
 	DeliveryStatusDelivered DeliveryStatus = "delivered"
@@ -14,12 +15,12 @@ const (
 type Delivery struct {
 	BaseModel
 
-	EventID  string         `gorm:"type:uuid;not null" json:"event_id"`
-	TargetID string         `gorm:"type:uuid;not null" json:"target_id"`
+	EventID  string         `gorm:"type:uuid;not null"         json:"eventId"`
+	TargetID string         `gorm:"type:uuid;not null"         json:"targetId"`
 	Status   DeliveryStatus `gorm:"not null;default:'pending'" json:"status"`
 
 	// Relations
-	Event           Event            `json:"event,omitempty"`
-	Target          Target           `json:"target,omitempty"`
-	DeliveryResults []DeliveryResult `json:"delivery_results,omitempty"`
+	Event           Event            `json:"event,omitzero"`
+	Target          Target           `json:"target,omitzero"`
+	DeliveryResults []DeliveryResult `json:"deliveryResults,omitempty"`
 }

internal/database/model_delivery_result.go

@@ -4,14 +4,14 @@ package database
 type DeliveryResult struct {
 	BaseModel
 
-	DeliveryID   string `gorm:"type:uuid;not null" json:"delivery_id"`
-	AttemptNum   int    `gorm:"not null" json:"attempt_num"`
+	DeliveryID   string `gorm:"type:uuid;not null"   json:"deliveryId"`
+	AttemptNum   int    `gorm:"not null"             json:"attemptNum"`
 	Success      bool   `json:"success"`
-	StatusCode   int    `json:"status_code,omitempty"`
-	ResponseBody string `gorm:"type:text" json:"response_body,omitempty"`
+	StatusCode   int    `json:"statusCode,omitempty"`
+	ResponseBody string `gorm:"type:text"            json:"responseBody,omitempty"`
 	Error        string `json:"error,omitempty"`
-	Duration     int64  `json:"duration_ms"` // Duration in milliseconds
+	Duration     int64  `json:"durationMs"` // Duration in milliseconds
 
 	// Relations
-	Delivery Delivery `json:"delivery,omitempty"`
+	Delivery Delivery `json:"delivery,omitzero"`
 }

internal/database/model_entrypoint.go

@@ -0,0 +1,14 @@
+package database
+
+// Entrypoint represents an inbound URL endpoint that feeds into a webhook
+type Entrypoint struct {
+	BaseModel
+
+	WebhookID   string `gorm:"type:uuid;not null"   json:"webhookId"`
+	Path        string `gorm:"uniqueIndex;not null" json:"path"` // URL path for this entrypoint
+	Description string `json:"description"`
+	Active      bool   `gorm:"default:true"         json:"active"`
+
+	// Relations
+	Webhook Webhook `json:"webhook,omitzero"`
+}

internal/database/model_event.go

@@ -1,20 +1,20 @@
 package database
 
-// Event represents a webhook event
+// Event represents a captured webhook event
 type Event struct {
 	BaseModel
 
-	ProcessorID string `gorm:"type:uuid;not null" json:"processor_id"`
-	WebhookID   string `gorm:"type:uuid;not null" json:"webhook_id"`
+	WebhookID    string `gorm:"type:uuid;not null" json:"webhookId"`
+	EntrypointID string `gorm:"type:uuid;not null" json:"entrypointId"`
 
 	// Request data
 	Method      string `gorm:"not null"    json:"method"`
 	Headers     string `gorm:"type:text"   json:"headers"` // JSON
 	Body        string `gorm:"type:text"   json:"body"`
-	ContentType string `json:"content_type"`
+	ContentType string `json:"contentType"`
 
 	// Relations
-	Processor  Processor  `json:"processor,omitempty"`
-	Webhook    Webhook    `json:"webhook,omitempty"`
+	Webhook    Webhook    `json:"webhook,omitzero"`
+	Entrypoint Entrypoint `json:"entrypoint,omitzero"`
 	Deliveries []Delivery `json:"deliveries,omitempty"`
 }

internal/database/model_processor.go

@@ -1,16 +0,0 @@
-package database
-
-// Processor represents an event processor
-type Processor struct {
-	BaseModel
-
-	UserID        string `gorm:"type:uuid;not null" json:"user_id"`
-	Name          string `gorm:"not null" json:"name"`
-	Description   string `json:"description"`
-	RetentionDays int    `gorm:"default:30" json:"retention_days"` // Days to retain events
-
-	// Relations
-	User     User      `json:"user,omitempty"`
-	Webhooks []Webhook `json:"webhooks,omitempty"`
-	Targets  []Target  `json:"targets,omitempty"`
-}

internal/database/model_setting.go

@@ -0,0 +1,8 @@
+package database
+
+// Setting stores application-level key-value configuration.
+// Used for auto-generated values like the session encryption key.
+type Setting struct {
+	Key   string `gorm:"primaryKey"         json:"key"`
+	Value string `gorm:"type:text;not null" json:"value"`
+}

internal/database/model_target.go

@@ -3,18 +3,19 @@ package database
 // TargetType represents the type of delivery target
 type TargetType string
 
+// Target type values.
 const (
 	TargetTypeHTTP     TargetType = "http"
-	TargetTypeRetry    TargetType = "retry"
 	TargetTypeDatabase TargetType = "database"
 	TargetTypeLog      TargetType = "log"
+	TargetTypeSlack    TargetType = "slack"
 )
 
-// Target represents a delivery target for a processor
+// Target represents a delivery target for a webhook
 type Target struct {
 	BaseModel
 
-	ProcessorID string     `gorm:"type:uuid;not null" json:"processor_id"`
+	WebhookID string     `gorm:"type:uuid;not null" json:"webhookId"`
 	Name      string     `gorm:"not null"           json:"name"`
 	Type      TargetType `gorm:"not null"           json:"type"`
 	Active    bool       `gorm:"default:true"       json:"active"`
@@ -22,11 +23,11 @@ type Target struct {
 	// Configuration fields (JSON stored based on type)
 	Config string `gorm:"type:text" json:"config"` // JSON configuration
 
-	// For retry targets
-	MaxRetries   int `json:"max_retries,omitempty"`
-	MaxQueueSize int `json:"max_queue_size,omitempty"`
+	// For HTTP targets (max_retries=0 means fire-and-forget, >0 enables retries with backoff)
+	MaxRetries   int `json:"maxRetries,omitempty"`
+	MaxQueueSize int `json:"maxQueueSize,omitempty"`
 
 	// Relations
-	Processor  Processor  `json:"processor,omitempty"`
+	Webhook    Webhook    `json:"webhook,omitzero"`
 	Deliveries []Delivery `json:"deliveries,omitempty"`
 }

internal/database/model_user.go

@@ -8,6 +8,6 @@ type User struct {
 	Password string `gorm:"not null"             json:"-"` // Argon2 hashed
 
 	// Relations
-	Processors []Processor `json:"processors,omitempty"`
-	APIKeys    []APIKey    `json:"api_keys,omitempty"`
+	Webhooks []Webhook `json:"webhooks,omitempty"`
+	APIKeys  []APIKey  `json:"apiKeys,omitempty"`
 }

internal/database/model_webhook.go

@@ -1,14 +1,16 @@
 package database
 
-// Webhook represents a webhook endpoint that feeds into a processor
+// Webhook represents a webhook processing unit that groups entrypoints and targets
 type Webhook struct {
 	BaseModel
 
-	ProcessorID string `gorm:"type:uuid;not null" json:"processor_id"`
-	Path        string `gorm:"uniqueIndex;not null" json:"path"` // URL path for this webhook
+	UserID        string `gorm:"type:uuid;not null" json:"userId"`
+	Name          string `gorm:"not null"           json:"name"`
 	Description   string `json:"description"`
-	Active      bool   `gorm:"default:true" json:"active"`
+	RetentionDays int    `gorm:"default:30"         json:"retentionDays"` // Days to retain events
 
 	// Relations
-	Processor Processor `json:"processor,omitempty"`
+	User        User         `json:"user,omitzero"`
+	Entrypoints []Entrypoint `json:"entrypoints,omitempty"`
+	Targets     []Target     `json:"targets,omitempty"`
 }

internal/database/models.go

@@ -1,15 +1,16 @@
 package database
 
-// Migrate runs database migrations for all models
+// Migrate runs database migrations for the main application database.
+// Only configuration-tier models are stored in the main database.
+// Event-tier models (Event, Delivery, DeliveryResult) live in
+// per-webhook dedicated databases managed by WebhookDBManager.
 func (d *Database) Migrate() error {
 	return d.db.AutoMigrate(
+		&Setting{},
 		&User{},
 		&APIKey{},
-		&Processor{},
 		&Webhook{},
+		&Entrypoint{},
 		&Target{},
-		&Event{},
-		&Delivery{},
-		&DeliveryResult{},
 	)
 }

internal/database/password.go

@@ -4,6 +4,7 @@ import (
 	"crypto/rand"
 	"crypto/subtle"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"math/big"
 	"strings"
@@ -20,6 +21,23 @@ const (
 	argon2SaltLen = 16
 )
 
+// hashParts is the expected number of $-separated segments
+// in an encoded Argon2id hash string.
+const hashParts = 6
+
+// minPasswordComplexityLen is the minimum password length that
+// triggers per-character-class complexity enforcement.
+const minPasswordComplexityLen = 4
+
+// Sentinel errors returned by decodeHash.
+var (
+	errInvalidHashFormat    = errors.New("invalid hash format")
+	errInvalidAlgorithm     = errors.New("invalid algorithm")
+	errIncompatibleVersion  = errors.New("incompatible argon2 version")
+	errSaltLengthOutOfRange = errors.New("salt length out of range")
+	errHashLengthOutOfRange = errors.New("hash length out of range")
+)
+
 // PasswordConfig holds Argon2 configuration
 type PasswordConfig struct {
 	Time    uint32
@@ -46,26 +64,44 @@ func HashPassword(password string) (string, error) {
 
 	// Generate a salt
 	salt := make([]byte, config.SaltLen)
-	if _, err := rand.Read(salt); err != nil {
+
+	_, err := rand.Read(salt)
+	if err != nil {
 		return "", err
 	}
 
 	// Generate the hash
-	hash := argon2.IDKey([]byte(password), salt, config.Time, config.Memory, config.Threads, config.KeyLen)
+	hash := argon2.IDKey(
+		[]byte(password),
+		salt,
+		config.Time,
+		config.Memory,
+		config.Threads,
+		config.KeyLen,
+	)
 
 	// Encode the hash and parameters
 	b64Salt := base64.RawStdEncoding.EncodeToString(salt)
 	b64Hash := base64.RawStdEncoding.EncodeToString(hash)
 
 	// Format: $argon2id$v=19$m=65536,t=1,p=4$salt$hash
-	encoded := fmt.Sprintf("$argon2id$v=%d$m=%d,t=%d,p=%d$%s$%s",
-		argon2.Version, config.Memory, config.Time, config.Threads, b64Salt, b64Hash)
+	encoded := fmt.Sprintf(
+		"$argon2id$v=%d$m=%d,t=%d,p=%d$%s$%s",
+		argon2.Version,
+		config.Memory,
+		config.Time,
+		config.Threads,
+		b64Salt,
+		b64Hash,
+	)
 
 	return encoded, nil
 }
 
 // VerifyPassword checks if the provided password matches the hash
-func VerifyPassword(password, encodedHash string) (bool, error) {
+func VerifyPassword(
+	password, encodedHash string,
+) (bool, error) {
 	// Extract parameters and hash from encoded string
 	config, salt, hash, err := decodeHash(encodedHash)
 	if err != nil {
@@ -73,60 +109,119 @@ func VerifyPassword(password, encodedHash string) (bool, error) {
 	}
 
 	// Generate hash of the provided password
-	otherHash := argon2.IDKey([]byte(password), salt, config.Time, config.Memory, config.Threads, config.KeyLen)
+	otherHash := argon2.IDKey(
+		[]byte(password),
+		salt,
+		config.Time,
+		config.Memory,
+		config.Threads,
+		config.KeyLen,
+	)
 
 	// Compare hashes using constant time comparison
 	return subtle.ConstantTimeCompare(hash, otherHash) == 1, nil
 }
 
-// decodeHash extracts parameters, salt, and hash from an encoded hash string
-func decodeHash(encodedHash string) (*PasswordConfig, []byte, []byte, error) {
+// decodeHash extracts parameters, salt, and hash from an
+// encoded hash string.
+func decodeHash(
+	encodedHash string,
+) (*PasswordConfig, []byte, []byte, error) {
 	parts := strings.Split(encodedHash, "$")
-	if len(parts) != 6 {
-		return nil, nil, nil, fmt.Errorf("invalid hash format")
+	if len(parts) != hashParts {
+		return nil, nil, nil, errInvalidHashFormat
 	}
 
 	if parts[1] != "argon2id" {
-		return nil, nil, nil, fmt.Errorf("invalid algorithm")
+		return nil, nil, nil, errInvalidAlgorithm
 	}
 
-	var version int
-	if _, err := fmt.Sscanf(parts[2], "v=%d", &version); err != nil {
+	version, err := parseVersion(parts[2])
+	if err != nil {
 		return nil, nil, nil, err
 	}
+
 	if version != argon2.Version {
-		return nil, nil, nil, fmt.Errorf("incompatible argon2 version")
+		return nil, nil, nil, errIncompatibleVersion
 	}
 
-	config := &PasswordConfig{}
-	if _, err := fmt.Sscanf(parts[3], "m=%d,t=%d,p=%d", &config.Memory, &config.Time, &config.Threads); err != nil {
-		return nil, nil, nil, err
-	}
-
-	salt, err := base64.RawStdEncoding.DecodeString(parts[4])
+	config, err := parseParams(parts[3])
 	if err != nil {
 		return nil, nil, nil, err
 	}
-	saltLen := len(salt)
-	if saltLen < 0 || saltLen > int(^uint32(0)) {
-		return nil, nil, nil, fmt.Errorf("salt length out of range")
-	}
-	config.SaltLen = uint32(saltLen) // nolint:gosec // checked above
 
-	hash, err := base64.RawStdEncoding.DecodeString(parts[5])
+	salt, err := decodeSalt(parts[4])
 	if err != nil {
 		return nil, nil, nil, err
 	}
-	hashLen := len(hash)
-	if hashLen < 0 || hashLen > int(^uint32(0)) {
-		return nil, nil, nil, fmt.Errorf("hash length out of range")
+
+	config.SaltLen = uint32(len(salt)) //nolint:gosec // validated in decodeSalt
+
+	hash, err := decodeHashBytes(parts[5])
+	if err != nil {
+		return nil, nil, nil, err
 	}
-	config.KeyLen = uint32(hashLen) // nolint:gosec // checked above
+
+	config.KeyLen = uint32(len(hash)) //nolint:gosec // validated in decodeHashBytes
 
 	return config, salt, hash, nil
 }
 
-// GenerateRandomPassword generates a cryptographically secure random password
+func parseVersion(s string) (int, error) {
+	var version int
+
+	_, err := fmt.Sscanf(s, "v=%d", &version)
+	if err != nil {
+		return 0, fmt.Errorf("parsing version: %w", err)
+	}
+
+	return version, nil
+}
+
+func parseParams(s string) (*PasswordConfig, error) {
+	config := &PasswordConfig{}
+
+	_, err := fmt.Sscanf(
+		s, "m=%d,t=%d,p=%d",
+		&config.Memory, &config.Time, &config.Threads,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("parsing params: %w", err)
+	}
+
+	return config, nil
+}
+
+func decodeSalt(s string) ([]byte, error) {
+	salt, err := base64.RawStdEncoding.DecodeString(s)
+	if err != nil {
+		return nil, fmt.Errorf("decoding salt: %w", err)
+	}
+
+	saltLen := len(salt)
+	if saltLen < 0 || saltLen > int(^uint32(0)) {
+		return nil, errSaltLengthOutOfRange
+	}
+
+	return salt, nil
+}
+
+func decodeHashBytes(s string) ([]byte, error) {
+	hash, err := base64.RawStdEncoding.DecodeString(s)
+	if err != nil {
+		return nil, fmt.Errorf("decoding hash: %w", err)
+	}
+
+	hashLen := len(hash)
+	if hashLen < 0 || hashLen > int(^uint32(0)) {
+		return nil, errHashLengthOutOfRange
+	}
+
+	return hash, nil
+}
+
+// GenerateRandomPassword generates a cryptographically secure
+// random password.
 func GenerateRandomPassword(length int) (string, error) {
 	const (
 		uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
@@ -141,27 +236,27 @@ func GenerateRandomPassword(length int) (string, error) {
 	// Create password slice
 	password := make([]byte, length)
 
-	// Ensure at least one character from each set for password complexity
-	if length >= 4 {
-		// Get one character from each set
+	// Ensure at least one character from each set
+	if length >= minPasswordComplexityLen {
 		password[0] = uppercase[cryptoRandInt(len(uppercase))]
 		password[1] = lowercase[cryptoRandInt(len(lowercase))]
 		password[2] = digits[cryptoRandInt(len(digits))]
 		password[3] = special[cryptoRandInt(len(special))]
 
 		// Fill the rest randomly from all characters
-		for i := 4; i < length; i++ {
+		for i := minPasswordComplexityLen; i < length; i++ {
 			password[i] = allChars[cryptoRandInt(len(allChars))]
 		}
 
 		// Shuffle the password to avoid predictable pattern
-		for i := len(password) - 1; i > 0; i-- {
-			j := cryptoRandInt(i + 1)
-			password[i], password[j] = password[j], password[i]
+		for i := range len(password) - 1 {
+			j := cryptoRandInt(len(password) - i)
+			idx := len(password) - 1 - i
+			password[idx], password[j] = password[j], password[idx]
 		}
 	} else {
 		// For very short passwords, just use all characters
-		for i := 0; i < length; i++ {
+		for i := range length {
 			password[i] = allChars[cryptoRandInt(len(allChars))]
 		}
 	}
@@ -169,16 +264,17 @@ func GenerateRandomPassword(length int) (string, error) {
 	return string(password), nil
 }
 
-// cryptoRandInt generates a cryptographically secure random integer in [0, max)
-func cryptoRandInt(max int) int {
-	if max <= 0 {
-		panic("max must be positive")
+// cryptoRandInt generates a cryptographically secure random
+// integer in [0, upperBound).
+func cryptoRandInt(upperBound int) int {
+	if upperBound <= 0 {
+		panic("upperBound must be positive")
 	}
 
-	// Calculate the maximum valid value to avoid modulo bias
-	// For example, if max=200 and we have 256 possible values,
-	// we only accept values 0-199 (reject 200-255)
-	nBig, err := rand.Int(rand.Reader, big.NewInt(int64(max)))
+	nBig, err := rand.Int(
+		rand.Reader,
+		big.NewInt(int64(upperBound)),
+	)
 	if err != nil {
 		panic(fmt.Sprintf("crypto/rand error: %v", err))
 	}

internal/database/password_test.go

@@ -1,11 +1,15 @@
-package database
+package database_test
 
 import (
 	"strings"
 	"testing"
+
+	"sneak.berlin/go/webhooker/internal/database"
 )
 
 func TestGenerateRandomPassword(t *testing.T) {
+	t.Parallel()
+
 	tests := []struct {
 		name   string
 		length int
@@ -18,109 +22,172 @@ func TestGenerateRandomPassword(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			password, err := GenerateRandomPassword(tt.length)
+			t.Parallel()
+
+			password, err := database.GenerateRandomPassword(
+				tt.length,
+			)
 			if err != nil {
-				t.Fatalf("GenerateRandomPassword() error = %v", err)
+				t.Fatalf(
+					"GenerateRandomPassword() error = %v",
+					err,
+				)
 			}
 
 			if len(password) != tt.length {
-				t.Errorf("Password length = %v, want %v", len(password), tt.length)
+				t.Errorf(
+					"Password length = %v, want %v",
+					len(password), tt.length,
+				)
 			}
 
-			// For passwords >= 4 chars, check complexity
-			if tt.length >= 4 {
-				hasUpper := false
-				hasLower := false
-				hasDigit := false
-				hasSpecial := false
-
-				for _, char := range password {
-					switch {
-					case char >= 'A' && char <= 'Z':
-						hasUpper = true
-					case char >= 'a' && char <= 'z':
-						hasLower = true
-					case char >= '0' && char <= '9':
-						hasDigit = true
-					case strings.ContainsRune("!@#$%^&*()_+-=[]{}|;:,.<>?", char):
-						hasSpecial = true
-					}
-				}
-
-				if !hasUpper || !hasLower || !hasDigit || !hasSpecial {
-					t.Errorf("Password lacks required complexity: upper=%v, lower=%v, digit=%v, special=%v",
-						hasUpper, hasLower, hasDigit, hasSpecial)
-				}
-			}
+			checkPasswordComplexity(
+				t, password, tt.length,
+			)
 		})
 	}
 }
 
+func checkPasswordComplexity(
+	t *testing.T,
+	password string,
+	length int,
+) {
+	t.Helper()
+
+	// For passwords >= 4 chars, check complexity
+	if length < 4 {
+		return
+	}
+
+	flags := classifyChars(password)
+
+	if !flags[0] || !flags[1] || !flags[2] || !flags[3] {
+		t.Errorf(
+			"Password lacks required complexity: "+
+				"upper=%v, lower=%v, digit=%v, special=%v",
+			flags[0], flags[1], flags[2], flags[3],
+		)
+	}
+}
+
+func classifyChars(s string) [4]bool {
+	var flags [4]bool // upper, lower, digit, special
+
+	for _, char := range s {
+		switch {
+		case char >= 'A' && char <= 'Z':
+			flags[0] = true
+		case char >= 'a' && char <= 'z':
+			flags[1] = true
+		case char >= '0' && char <= '9':
+			flags[2] = true
+		case strings.ContainsRune(
+			"!@#$%^&*()_+-=[]{}|;:,.<>?",
+			char,
+		):
+			flags[3] = true
+		}
+	}
+
+	return flags
+}
+
 func TestGenerateRandomPasswordUniqueness(t *testing.T) {
+	t.Parallel()
+
 	// Generate multiple passwords and ensure they're different
 	passwords := make(map[string]bool)
+
 	const numPasswords = 100
 
-	for i := 0; i < numPasswords; i++ {
-		password, err := GenerateRandomPassword(16)
+	for range numPasswords {
+		password, err := database.GenerateRandomPassword(16)
 		if err != nil {
-			t.Fatalf("GenerateRandomPassword() error = %v", err)
+			t.Fatalf(
+				"GenerateRandomPassword() error = %v",
+				err,
+			)
 		}
 
 		if passwords[password] {
-			t.Errorf("Duplicate password generated: %s", password)
+			t.Errorf(
+				"Duplicate password generated: %s",
+				password,
+			)
 		}
+
 		passwords[password] = true
 	}
 }
 
 func TestHashPassword(t *testing.T) {
+	t.Parallel()
+
 	password := "testPassword123!"
 
-	hash, err := HashPassword(password)
+	hash, err := database.HashPassword(password)
 	if err != nil {
 		t.Fatalf("HashPassword() error = %v", err)
 	}
 
 	// Check that hash has correct format
 	if !strings.HasPrefix(hash, "$argon2id$") {
-		t.Errorf("Hash doesn't have correct prefix: %s", hash)
+		t.Errorf(
+			"Hash doesn't have correct prefix: %s",
+			hash,
+		)
 	}
 
 	// Verify password
-	valid, err := VerifyPassword(password, hash)
+	valid, err := database.VerifyPassword(password, hash)
 	if err != nil {
 		t.Fatalf("VerifyPassword() error = %v", err)
 	}
+
 	if !valid {
-		t.Error("VerifyPassword() returned false for correct password")
+		t.Error(
+			"VerifyPassword() returned false " +
+				"for correct password",
+		)
 	}
 
 	// Verify wrong password fails
-	valid, err = VerifyPassword("wrongPassword", hash)
+	valid, err = database.VerifyPassword(
+		"wrongPassword", hash,
+	)
 	if err != nil {
 		t.Fatalf("VerifyPassword() error = %v", err)
 	}
+
 	if valid {
-		t.Error("VerifyPassword() returned true for wrong password")
+		t.Error(
+			"VerifyPassword() returned true " +
+				"for wrong password",
+		)
 	}
 }
 
 func TestHashPasswordUniqueness(t *testing.T) {
+	t.Parallel()
+
 	password := "testPassword123!"
 
-	// Same password should produce different hashes due to salt
-	hash1, err := HashPassword(password)
+	// Same password should produce different hashes
+	hash1, err := database.HashPassword(password)
 	if err != nil {
 		t.Fatalf("HashPassword() error = %v", err)
 	}
 
-	hash2, err := HashPassword(password)
+	hash2, err := database.HashPassword(password)
 	if err != nil {
 		t.Fatalf("HashPassword() error = %v", err)
 	}
 
 	if hash1 == hash2 {
-		t.Error("Same password produced identical hashes (salt not working)")
+		t.Error(
+			"Same password produced identical hashes " +
+				"(salt not working)",
+		)
 	}
 }

internal/database/testing.go

@@ -0,0 +1,28 @@
+package database
+
+import (
+	"log/slog"
+	"os"
+
+	"gorm.io/gorm"
+)
+
+// NewTestDatabase creates a Database wrapper around a pre-opened *gorm.DB.
+// Intended for use in tests that need a *database.Database without the
+// full fx lifecycle. The caller is responsible for closing the underlying
+// sql.DB connection.
+func NewTestDatabase(db *gorm.DB) *Database {
+	return &Database{
+		db:  db,
+		log: slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug})),
+	}
+}
+
+// NewTestWebhookDBManager creates a WebhookDBManager backed by the given
+// data directory. Intended for use in tests without the fx lifecycle.
+func NewTestWebhookDBManager(dataDir string) *WebhookDBManager {
+	return &WebhookDBManager{
+		dataDir: dataDir,
+		log:     slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug})),
+	}
+}

internal/database/webhook_db_manager.go

@@ -0,0 +1,281 @@
+package database
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"sync"
+
+	"go.uber.org/fx"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/logger"
+)
+
+// WebhookDBManagerParams holds the fx dependencies for
+// WebhookDBManager.
+type WebhookDBManagerParams struct {
+	fx.In
+
+	Config *config.Config
+	Logger *logger.Logger
+}
+
+// errInvalidCachedDBType indicates a type assertion failure
+// when retrieving a cached database connection.
+var errInvalidCachedDBType = errors.New(
+	"invalid cached database type",
+)
+
+// WebhookDBManager manages per-webhook SQLite database files
+// for event storage. Each webhook gets its own dedicated
+// database containing Events, Deliveries, and DeliveryResults.
+// Database connections are opened lazily and cached.
+type WebhookDBManager struct {
+	dataDir string
+	dbs     sync.Map // map[webhookID]*gorm.DB
+	log     *slog.Logger
+}
+
+// NewWebhookDBManager creates a new WebhookDBManager and
+// registers lifecycle hooks.
+func NewWebhookDBManager(
+	lc fx.Lifecycle,
+	params WebhookDBManagerParams,
+) (*WebhookDBManager, error) {
+	m := &WebhookDBManager{
+		dataDir: params.Config.DataDir,
+		log:     params.Logger.Get(),
+	}
+
+	// Create data directory if it doesn't exist
+	err := os.MkdirAll(m.dataDir, dataDirPerm)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"creating data directory %s: %w",
+			m.dataDir,
+			err,
+		)
+	}
+
+	lc.Append(fx.Hook{
+		OnStop: func(_ context.Context) error {
+			return m.CloseAll()
+		},
+	})
+
+	m.log.Info(
+		"webhook database manager initialized",
+		"data_dir", m.dataDir,
+	)
+
+	return m, nil
+}
+
+// GetDB returns the database connection for a webhook,
+// creating the database file lazily if it doesn't exist.
+func (m *WebhookDBManager) GetDB(
+	webhookID string,
+) (*gorm.DB, error) {
+	// Fast path: already open
+	if val, ok := m.dbs.Load(webhookID); ok {
+		cachedDB, castOK := val.(*gorm.DB)
+		if !castOK {
+			return nil, fmt.Errorf(
+				"%w for webhook %s",
+				errInvalidCachedDBType,
+				webhookID,
+			)
+		}
+
+		return cachedDB, nil
+	}
+
+	// Slow path: open/create the database
+	db, err := m.openDB(webhookID)
+	if err != nil {
+		return nil, err
+	}
+
+	// Store it; if another goroutine beat us, close ours
+	actual, loaded := m.dbs.LoadOrStore(webhookID, db)
+	if loaded {
+		// Another goroutine created it first; close our duplicate
+		sqlDB, closeErr := db.DB()
+		if closeErr == nil {
+			_ = sqlDB.Close()
+		}
+
+		existingDB, castOK := actual.(*gorm.DB)
+		if !castOK {
+			return nil, fmt.Errorf(
+				"%w for webhook %s",
+				errInvalidCachedDBType,
+				webhookID,
+			)
+		}
+
+		return existingDB, nil
+	}
+
+	return db, nil
+}
+
+// CreateDB explicitly creates a new per-webhook database file
+// and runs migrations.
+func (m *WebhookDBManager) CreateDB(
+	webhookID string,
+) error {
+	_, err := m.GetDB(webhookID)
+
+	return err
+}
+
+// DBExists checks if a per-webhook database file exists on
+// disk.
+func (m *WebhookDBManager) DBExists(
+	webhookID string,
+) bool {
+	_, err := os.Stat(m.dbPath(webhookID))
+
+	return err == nil
+}
+
+// DeleteDB closes the connection and deletes the database file
+// for a webhook. The file is permanently removed.
+func (m *WebhookDBManager) DeleteDB(
+	webhookID string,
+) error {
+	// Close and remove from cache
+	if val, ok := m.dbs.LoadAndDelete(webhookID); ok {
+		if gormDB, castOK := val.(*gorm.DB); castOK {
+			sqlDB, err := gormDB.DB()
+			if err == nil {
+				_ = sqlDB.Close()
+			}
+		}
+	}
+
+	// Delete the main DB file and WAL/SHM files
+	path := m.dbPath(webhookID)
+	for _, suffix := range []string{"", "-wal", "-shm"} {
+		err := os.Remove(path + suffix)
+		if err != nil && !os.IsNotExist(err) {
+			return fmt.Errorf(
+				"deleting webhook database file %s%s: %w",
+				path, suffix, err,
+			)
+		}
+	}
+
+	m.log.Info(
+		"deleted per-webhook database",
+		"webhook_id", webhookID,
+	)
+
+	return nil
+}
+
+// CloseAll closes all open per-webhook database connections.
+// Called during application shutdown.
+func (m *WebhookDBManager) CloseAll() error {
+	var lastErr error
+
+	m.dbs.Range(func(key, value any) bool {
+		if gormDB, castOK := value.(*gorm.DB); castOK {
+			sqlDB, err := gormDB.DB()
+			if err == nil {
+				closeErr := sqlDB.Close()
+				if closeErr != nil {
+					lastErr = closeErr
+					m.log.Error(
+						"failed to close webhook database",
+						"webhook_id", key,
+						"error", closeErr,
+					)
+				}
+			}
+		}
+
+		m.dbs.Delete(key)
+
+		return true
+	})
+
+	return lastErr
+}
+
+// DBPath returns the filesystem path for a webhook's database
+// file.
+func (m *WebhookDBManager) DBPath(
+	webhookID string,
+) string {
+	return m.dbPath(webhookID)
+}
+
+func (m *WebhookDBManager) dbPath(
+	webhookID string,
+) string {
+	return filepath.Join(
+		m.dataDir,
+		fmt.Sprintf("events-%s.db", webhookID),
+	)
+}
+
+// openDB opens (or creates) a per-webhook SQLite database and
+// runs migrations.
+func (m *WebhookDBManager) openDB(
+	webhookID string,
+) (*gorm.DB, error) {
+	path := m.dbPath(webhookID)
+	dbURL := fmt.Sprintf(
+		"file:%s?cache=shared&mode=rwc",
+		path,
+	)
+
+	sqlDB, err := sql.Open("sqlite", dbURL)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"opening webhook database %s: %w",
+			webhookID, err,
+		)
+	}
+
+	db, err := gorm.Open(sqlite.Dialector{
+		Conn: sqlDB,
+	}, &gorm.Config{})
+	if err != nil {
+		_ = sqlDB.Close()
+
+		return nil, fmt.Errorf(
+			"connecting to webhook database %s: %w",
+			webhookID, err,
+		)
+	}
+
+	// Run migrations for event-tier models only
+	err = db.AutoMigrate(
+		&Event{}, &Delivery{}, &DeliveryResult{},
+	)
+	if err != nil {
+		_ = sqlDB.Close()
+
+		return nil, fmt.Errorf(
+			"migrating webhook database %s: %w",
+			webhookID, err,
+		)
+	}
+
+	m.log.Info(
+		"opened per-webhook database",
+		"webhook_id", webhookID,
+		"path", path,
+	)
+
+	return db, nil
+}

internal/database/webhook_db_manager_test.go

@@ -0,0 +1,365 @@
+package database_test
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/fx/fxtest"
+	"gorm.io/gorm"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
+)
+
+func setupTestWebhookDBManager(
+	t *testing.T,
+) (*database.WebhookDBManager, *fxtest.Lifecycle) {
+	t.Helper()
+
+	lc := fxtest.NewLifecycle(t)
+
+	g := &globals.Globals{
+		Appname: "webhooker-test",
+		Version: "test",
+	}
+
+	l, err := logger.New(
+		lc,
+		logger.LoggerParams{Globals: g},
+	)
+	require.NoError(t, err)
+
+	dataDir := filepath.Join(t.TempDir(), "events")
+
+	cfg := &config.Config{
+		DataDir: dataDir,
+	}
+
+	mgr, err := database.NewWebhookDBManager(
+		lc,
+		database.WebhookDBManagerParams{
+			Config: cfg,
+			Logger: l,
+		},
+	)
+	require.NoError(t, err)
+
+	return mgr, lc
+}
+
+func TestWebhookDBManager_CreateAndGetDB(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	defer func() { require.NoError(t, lc.Stop(ctx)) }()
+
+	webhookID := uuid.New().String()
+
+	// DB should not exist yet
+	assert.False(t, mgr.DBExists(webhookID))
+
+	// Create the DB
+	err := mgr.CreateDB(webhookID)
+	require.NoError(t, err)
+
+	// DB file should now exist
+	assert.True(t, mgr.DBExists(webhookID))
+
+	// Get the DB again (should use cached connection)
+	db, err := mgr.GetDB(webhookID)
+	require.NoError(t, err)
+	require.NotNil(t, db)
+
+	// Verify we can write an event
+	event := &database.Event{
+		WebhookID:    webhookID,
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Headers:      `{"Content-Type":["application/json"]}`,
+		Body:         `{"test": true}`,
+		ContentType:  "application/json",
+	}
+	require.NoError(t, db.Create(event).Error)
+	assert.NotEmpty(t, event.ID)
+
+	// Verify we can read it back
+	var readEvent database.Event
+
+	require.NoError(
+		t,
+		db.First(&readEvent, "id = ?", event.ID).Error,
+	)
+	assert.Equal(t, webhookID, readEvent.WebhookID)
+	assert.Equal(t, "POST", readEvent.Method)
+	assert.Equal(t, `{"test": true}`, readEvent.Body)
+}
+
+func TestWebhookDBManager_DeleteDB(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	defer func() { require.NoError(t, lc.Stop(ctx)) }()
+
+	webhookID := uuid.New().String()
+
+	// Create the DB and write some data
+	require.NoError(t, mgr.CreateDB(webhookID))
+
+	db, err := mgr.GetDB(webhookID)
+	require.NoError(t, err)
+
+	event := &database.Event{
+		WebhookID:    webhookID,
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Body:         `{"test": true}`,
+		ContentType:  "application/json",
+	}
+	require.NoError(t, db.Create(event).Error)
+
+	// Delete the DB
+	require.NoError(t, mgr.DeleteDB(webhookID))
+
+	// File should no longer exist
+	assert.False(t, mgr.DBExists(webhookID))
+
+	// Verify the file is actually gone from disk
+	dbPath := mgr.DBPath(webhookID)
+
+	_, err = os.Stat(dbPath)
+	assert.True(t, os.IsNotExist(err))
+}
+
+func TestWebhookDBManager_LazyCreation(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	defer func() { require.NoError(t, lc.Stop(ctx)) }()
+
+	webhookID := uuid.New().String()
+
+	// GetDB should lazily create the database
+	db, err := mgr.GetDB(webhookID)
+	require.NoError(t, err)
+	require.NotNil(t, db)
+
+	// File should now exist
+	assert.True(t, mgr.DBExists(webhookID))
+}
+
+func TestWebhookDBManager_DeliveryWorkflow(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	defer func() { require.NoError(t, lc.Stop(ctx)) }()
+
+	webhookID := uuid.New().String()
+	targetID := uuid.New().String()
+
+	db, err := mgr.GetDB(webhookID)
+	require.NoError(t, err)
+
+	event, delivery := seedDeliveryWorkflow(
+		t, db, webhookID, targetID,
+	)
+
+	verifyPendingDeliveries(t, db, event)
+	completeDelivery(t, db, delivery)
+	verifyNoPending(t, db)
+}
+
+func seedDeliveryWorkflow(
+	t *testing.T,
+	db *gorm.DB,
+	webhookID, targetID string,
+) (*database.Event, *database.Delivery) {
+	t.Helper()
+
+	event := &database.Event{
+		WebhookID:    webhookID,
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Headers:      `{"Content-Type":["application/json"]}`,
+		Body:         `{"payload": "test"}`,
+		ContentType:  "application/json",
+	}
+	require.NoError(t, db.Create(event).Error)
+
+	delivery := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+	}
+	require.NoError(t, db.Create(delivery).Error)
+
+	return event, delivery
+}
+
+func verifyPendingDeliveries(
+	t *testing.T,
+	db *gorm.DB,
+	event *database.Event,
+) {
+	t.Helper()
+
+	var pending []database.Delivery
+
+	require.NoError(
+		t,
+		db.Where(
+			"status = ?",
+			database.DeliveryStatusPending,
+		).Preload("Event").Find(&pending).Error,
+	)
+	require.Len(t, pending, 1)
+	assert.Equal(t, event.ID, pending[0].EventID)
+	assert.Equal(t, "POST", pending[0].Event.Method)
+}
+
+func completeDelivery(
+	t *testing.T,
+	db *gorm.DB,
+	delivery *database.Delivery,
+) {
+	t.Helper()
+
+	result := &database.DeliveryResult{
+		DeliveryID: delivery.ID,
+		AttemptNum: 1,
+		Success:    true,
+		StatusCode: 200,
+		Duration:   42,
+	}
+	require.NoError(t, db.Create(result).Error)
+
+	require.NoError(
+		t,
+		db.Model(delivery).Update(
+			"status",
+			database.DeliveryStatusDelivered,
+		).Error,
+	)
+}
+
+func verifyNoPending(
+	t *testing.T,
+	db *gorm.DB,
+) {
+	t.Helper()
+
+	var stillPending []database.Delivery
+
+	require.NoError(
+		t,
+		db.Where(
+			"status = ?",
+			database.DeliveryStatusPending,
+		).Find(&stillPending).Error,
+	)
+	assert.Empty(t, stillPending)
+}
+
+func TestWebhookDBManager_MultipleWebhooks(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	defer func() { require.NoError(t, lc.Stop(ctx)) }()
+
+	webhook1 := uuid.New().String()
+	webhook2 := uuid.New().String()
+
+	// Create DBs for two webhooks
+	require.NoError(t, mgr.CreateDB(webhook1))
+	require.NoError(t, mgr.CreateDB(webhook2))
+
+	db1, err := mgr.GetDB(webhook1)
+	require.NoError(t, err)
+
+	db2, err := mgr.GetDB(webhook2)
+	require.NoError(t, err)
+
+	// Write events to each webhook's DB
+	event1 := &database.Event{
+		WebhookID:    webhook1,
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Body:         `{"webhook": 1}`,
+		ContentType:  "application/json",
+	}
+	event2 := &database.Event{
+		WebhookID:    webhook2,
+		EntrypointID: uuid.New().String(),
+		Method:       "PUT",
+		Body:         `{"webhook": 2}`,
+		ContentType:  "application/json",
+	}
+
+	require.NoError(t, db1.Create(event1).Error)
+	require.NoError(t, db2.Create(event2).Error)
+
+	// Verify isolation: each DB only has its own events
+	var count1 int64
+
+	db1.Model(&database.Event{}).Count(&count1)
+	assert.Equal(t, int64(1), count1)
+
+	var count2 int64
+
+	db2.Model(&database.Event{}).Count(&count2)
+	assert.Equal(t, int64(1), count2)
+
+	// Delete webhook1's DB, webhook2 should be unaffected
+	require.NoError(t, mgr.DeleteDB(webhook1))
+	assert.False(t, mgr.DBExists(webhook1))
+	assert.True(t, mgr.DBExists(webhook2))
+
+	// webhook2's data should still be accessible
+	var events []database.Event
+
+	require.NoError(t, db2.Find(&events).Error)
+	assert.Len(t, events, 1)
+	assert.Equal(t, "PUT", events[0].Method)
+}
+
+func TestWebhookDBManager_CloseAll(t *testing.T) {
+	t.Parallel()
+
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	// Create a few DBs
+	for range 3 {
+		require.NoError(
+			t,
+			mgr.CreateDB(uuid.New().String()),
+		)
+	}
+
+	// CloseAll should close all connections without error
+	require.NoError(t, mgr.CloseAll())
+
+	// Stop lifecycle (CloseAll already called)
+	require.NoError(t, lc.Stop(ctx))
+}

internal/delivery/circuit_breaker.go

@@ -0,0 +1,152 @@
+package delivery
+
+import (
+	"sync"
+	"time"
+)
+
+// CircuitState represents the current state of a circuit
+// breaker.
+type CircuitState int
+
+const (
+	// CircuitClosed is the normal operating state.
+	CircuitClosed CircuitState = iota
+	// CircuitOpen means the circuit has tripped.
+	CircuitOpen
+	// CircuitHalfOpen allows a single probe delivery to
+	// test whether the target has recovered.
+	CircuitHalfOpen
+)
+
+const (
+	// defaultFailureThreshold is the number of consecutive
+	// failures before a circuit breaker trips open.
+	defaultFailureThreshold = 5
+
+	// defaultCooldown is how long a circuit stays open
+	// before transitioning to half-open.
+	defaultCooldown = 30 * time.Second
+)
+
+// CircuitBreaker implements the circuit breaker pattern
+// for a single delivery target.
+type CircuitBreaker struct {
+	mu          sync.Mutex
+	state       CircuitState
+	failures    int
+	threshold   int
+	cooldown    time.Duration
+	lastFailure time.Time
+}
+
+// NewCircuitBreaker creates a circuit breaker with default
+// settings.
+func NewCircuitBreaker() *CircuitBreaker {
+	return &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  defaultCooldown,
+	}
+}
+
+// Allow checks whether a delivery attempt should proceed.
+func (cb *CircuitBreaker) Allow() bool {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	switch cb.state {
+	case CircuitClosed:
+		return true
+
+	case CircuitOpen:
+		if time.Since(cb.lastFailure) >= cb.cooldown {
+			cb.state = CircuitHalfOpen
+
+			return true
+		}
+
+		return false
+
+	case CircuitHalfOpen:
+		return false
+
+	default:
+		return true
+	}
+}
+
+// CooldownRemaining returns how much time is left before
+// an open circuit transitions to half-open.
+func (cb *CircuitBreaker) CooldownRemaining() time.Duration {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	if cb.state != CircuitOpen {
+		return 0
+	}
+
+	remaining := cb.cooldown - time.Since(cb.lastFailure)
+	if remaining < 0 {
+		return 0
+	}
+
+	return remaining
+}
+
+// RecordSuccess records a successful delivery and resets
+// the circuit breaker to closed state.
+func (cb *CircuitBreaker) RecordSuccess() {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	cb.failures = 0
+	cb.state = CircuitClosed
+}
+
+// RecordFailure records a failed delivery. If the failure
+// count reaches the threshold, the circuit trips open.
+func (cb *CircuitBreaker) RecordFailure() {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	cb.failures++
+	cb.lastFailure = time.Now()
+
+	switch cb.state {
+	case CircuitClosed:
+		if cb.failures >= cb.threshold {
+			cb.state = CircuitOpen
+		}
+
+	case CircuitOpen:
+		// Already open; no state change needed.
+
+	case CircuitHalfOpen:
+		// Probe failed -- reopen immediately.
+		cb.state = CircuitOpen
+	}
+}
+
+// State returns the current circuit state.
+func (cb *CircuitBreaker) State() CircuitState {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	return cb.state
+}
+
+// String returns the human-readable name of a circuit
+// state.
+func (s CircuitState) String() string {
+	switch s {
+	case CircuitClosed:
+		return "closed"
+	case CircuitOpen:
+		return "open"
+	case CircuitHalfOpen:
+		return "half-open"
+	default:
+		return "unknown"
+	}
+}

internal/delivery/circuit_breaker_test.go

@@ -0,0 +1,310 @@
+package delivery_test
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"sneak.berlin/go/webhooker/internal/delivery"
+)
+
+func TestCircuitBreaker_ClosedState_AllowsDeliveries(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	assert.Equal(t, delivery.CircuitClosed, cb.State())
+	assert.True(t, cb.Allow(),
+		"closed circuit should allow deliveries",
+	)
+
+	for range 10 {
+		assert.True(t, cb.Allow())
+	}
+}
+
+func TestCircuitBreaker_FailureCounting(t *testing.T) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	for i := range delivery.ExportDefaultFailureThreshold - 1 {
+		cb.RecordFailure()
+
+		assert.Equal(t,
+			delivery.CircuitClosed, cb.State(),
+			"circuit should remain closed after %d failures",
+			i+1,
+		)
+
+		assert.True(t, cb.Allow(),
+			"should still allow after %d failures",
+			i+1,
+		)
+	}
+}
+
+func TestCircuitBreaker_OpenTransition(t *testing.T) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	assert.Equal(t, delivery.CircuitOpen, cb.State(),
+		"circuit should be open after threshold failures",
+	)
+
+	assert.False(t, cb.Allow(),
+		"open circuit should reject deliveries",
+	)
+}
+
+func TestCircuitBreaker_Cooldown_StaysOpen(t *testing.T) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	require.Equal(t, delivery.CircuitOpen, cb.State())
+
+	assert.False(t, cb.Allow(),
+		"should be blocked during cooldown",
+	)
+
+	remaining := cb.CooldownRemaining()
+
+	assert.Greater(t, remaining, time.Duration(0),
+		"cooldown should have remaining time",
+	)
+}
+
+func TestCircuitBreaker_HalfOpen_AfterCooldown(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := newShortCooldownCB(t)
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	require.Equal(t, delivery.CircuitOpen, cb.State())
+
+	time.Sleep(60 * time.Millisecond)
+
+	assert.Equal(t, time.Duration(0),
+		cb.CooldownRemaining(),
+	)
+
+	assert.True(t, cb.Allow(),
+		"should allow one probe after cooldown",
+	)
+
+	assert.Equal(t,
+		delivery.CircuitHalfOpen, cb.State(),
+		"should be half-open after probe allowed",
+	)
+
+	assert.False(t, cb.Allow(),
+		"should reject additional probes while half-open",
+	)
+}
+
+func TestCircuitBreaker_ProbeSuccess_ClosesCircuit(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := newShortCooldownCB(t)
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	time.Sleep(60 * time.Millisecond)
+
+	require.True(t, cb.Allow())
+
+	cb.RecordSuccess()
+
+	assert.Equal(t, delivery.CircuitClosed, cb.State(),
+		"successful probe should close circuit",
+	)
+
+	assert.True(t, cb.Allow(),
+		"closed circuit should allow deliveries",
+	)
+}
+
+func TestCircuitBreaker_ProbeFailure_ReopensCircuit(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := newShortCooldownCB(t)
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	time.Sleep(60 * time.Millisecond)
+
+	require.True(t, cb.Allow())
+
+	cb.RecordFailure()
+
+	assert.Equal(t, delivery.CircuitOpen, cb.State(),
+		"failed probe should reopen circuit",
+	)
+
+	assert.False(t, cb.Allow(),
+		"reopened circuit should reject deliveries",
+	)
+}
+
+func TestCircuitBreaker_SuccessResetsFailures(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	for range delivery.ExportDefaultFailureThreshold - 1 {
+		cb.RecordFailure()
+	}
+
+	require.Equal(t, delivery.CircuitClosed, cb.State())
+
+	cb.RecordSuccess()
+
+	assert.Equal(t, delivery.CircuitClosed, cb.State())
+
+	for range delivery.ExportDefaultFailureThreshold - 1 {
+		cb.RecordFailure()
+	}
+
+	assert.Equal(t, delivery.CircuitClosed, cb.State(),
+		"circuit should still be closed -- "+
+			"success reset the counter",
+	)
+
+	cb.RecordFailure()
+
+	assert.Equal(t, delivery.CircuitOpen, cb.State())
+}
+
+func TestCircuitBreaker_ConcurrentAccess(t *testing.T) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	const goroutines = 100
+
+	var wg sync.WaitGroup
+
+	wg.Add(goroutines * 3)
+
+	for range goroutines {
+		go func() {
+			defer wg.Done()
+
+			cb.Allow()
+		}()
+	}
+
+	for range goroutines {
+		go func() {
+			defer wg.Done()
+
+			cb.RecordFailure()
+		}()
+	}
+
+	for range goroutines {
+		go func() {
+			defer wg.Done()
+
+			cb.RecordSuccess()
+		}()
+	}
+
+	wg.Wait()
+
+	state := cb.State()
+
+	assert.Contains(t,
+		[]delivery.CircuitState{
+			delivery.CircuitClosed,
+			delivery.CircuitOpen,
+			delivery.CircuitHalfOpen,
+		},
+		state,
+		"state should be valid after concurrent access",
+	)
+}
+
+func TestCircuitBreaker_CooldownRemaining_ClosedReturnsZero(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := delivery.NewCircuitBreaker()
+
+	assert.Equal(t, time.Duration(0),
+		cb.CooldownRemaining(),
+		"closed circuit should have zero cooldown remaining",
+	)
+}
+
+func TestCircuitBreaker_CooldownRemaining_HalfOpenReturnsZero(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	cb := newShortCooldownCB(t)
+
+	for range delivery.ExportDefaultFailureThreshold {
+		cb.RecordFailure()
+	}
+
+	time.Sleep(60 * time.Millisecond)
+
+	require.True(t, cb.Allow())
+
+	assert.Equal(t, time.Duration(0),
+		cb.CooldownRemaining(),
+		"half-open circuit should have zero cooldown remaining",
+	)
+}
+
+func TestCircuitState_String(t *testing.T) {
+	t.Parallel()
+
+	assert.Equal(t, "closed", delivery.CircuitClosed.String())
+	assert.Equal(t, "open", delivery.CircuitOpen.String())
+	assert.Equal(t, "half-open", delivery.CircuitHalfOpen.String())
+	assert.Equal(t, "unknown", delivery.CircuitState(99).String())
+}
+
+// newShortCooldownCB creates a CircuitBreaker with a short
+// cooldown for testing. We use NewCircuitBreaker and
+// manipulate through the public API.
+func newShortCooldownCB(t *testing.T) *delivery.CircuitBreaker {
+	t.Helper()
+
+	return delivery.NewTestCircuitBreaker(
+		delivery.ExportDefaultFailureThreshold,
+		50*time.Millisecond,
+	)
+}

internal/delivery/export_test.go

@@ -0,0 +1,240 @@
+package delivery
+
+import (
+	"context"
+	"log/slog"
+	"net"
+	"net/http"
+	"time"
+
+	"gorm.io/gorm"
+	"sneak.berlin/go/webhooker/internal/database"
+)
+
+// Exported constants for test access.
+const (
+	ExportDeliveryChannelSize     = deliveryChannelSize
+	ExportRetryChannelSize        = retryChannelSize
+	ExportDefaultFailureThreshold = defaultFailureThreshold
+	ExportDefaultCooldown         = defaultCooldown
+)
+
+// ExportIsBlockedIP exposes isBlockedIP for testing.
+func ExportIsBlockedIP(ip net.IP) bool {
+	return isBlockedIP(ip)
+}
+
+// ExportBlockedNetworks exposes blockedNetworks.
+func ExportBlockedNetworks() []*net.IPNet {
+	return blockedNetworks
+}
+
+// ExportIsForwardableHeader exposes isForwardableHeader.
+func ExportIsForwardableHeader(name string) bool {
+	return isForwardableHeader(name)
+}
+
+// ExportTruncate exposes truncate for testing.
+func ExportTruncate(s string, maxLen int) string {
+	return truncate(s, maxLen)
+}
+
+// ExportDeliverHTTP exposes deliverHTTP for testing.
+func (e *Engine) ExportDeliverHTTP(
+	ctx context.Context,
+	webhookDB *gorm.DB,
+	d *database.Delivery,
+	task *Task,
+) {
+	e.deliverHTTP(ctx, webhookDB, d, task)
+}
+
+// ExportDeliverDatabase exposes deliverDatabase.
+func (e *Engine) ExportDeliverDatabase(
+	webhookDB *gorm.DB, d *database.Delivery,
+) {
+	e.deliverDatabase(webhookDB, d)
+}
+
+// ExportDeliverLog exposes deliverLog for testing.
+func (e *Engine) ExportDeliverLog(
+	webhookDB *gorm.DB, d *database.Delivery,
+) {
+	e.deliverLog(webhookDB, d)
+}
+
+// ExportDeliverSlack exposes deliverSlack for testing.
+func (e *Engine) ExportDeliverSlack(
+	ctx context.Context,
+	webhookDB *gorm.DB,
+	d *database.Delivery,
+) {
+	e.deliverSlack(ctx, webhookDB, d)
+}
+
+// ExportProcessNewTask exposes processNewTask.
+func (e *Engine) ExportProcessNewTask(
+	ctx context.Context, task *Task,
+) {
+	e.processNewTask(ctx, task)
+}
+
+// ExportProcessRetryTask exposes processRetryTask.
+func (e *Engine) ExportProcessRetryTask(
+	ctx context.Context, task *Task,
+) {
+	e.processRetryTask(ctx, task)
+}
+
+// ExportProcessDelivery exposes processDelivery.
+func (e *Engine) ExportProcessDelivery(
+	ctx context.Context,
+	webhookDB *gorm.DB,
+	d *database.Delivery,
+	task *Task,
+) {
+	e.processDelivery(ctx, webhookDB, d, task)
+}
+
+// ExportGetCircuitBreaker exposes getCircuitBreaker.
+func (e *Engine) ExportGetCircuitBreaker(
+	targetID string,
+) *CircuitBreaker {
+	return e.getCircuitBreaker(targetID)
+}
+
+// ExportParseHTTPConfig exposes parseHTTPConfig.
+func (e *Engine) ExportParseHTTPConfig(
+	configJSON string,
+) (*HTTPTargetConfig, error) {
+	return e.parseHTTPConfig(configJSON)
+}
+
+// ExportParseSlackConfig exposes parseSlackConfig.
+func (e *Engine) ExportParseSlackConfig(
+	configJSON string,
+) (*SlackTargetConfig, error) {
+	return e.parseSlackConfig(configJSON)
+}
+
+// ExportDoHTTPRequest exposes doHTTPRequest.
+func (e *Engine) ExportDoHTTPRequest(
+	ctx context.Context,
+	cfg *HTTPTargetConfig,
+	event *database.Event,
+) (int, string, int64, error) {
+	return e.doHTTPRequest(ctx, cfg, event)
+}
+
+// ExportScheduleRetry exposes scheduleRetry.
+func (e *Engine) ExportScheduleRetry(
+	task Task, delay time.Duration,
+) {
+	e.scheduleRetry(task, delay)
+}
+
+// ExportRecoverPendingDeliveries exposes
+// recoverPendingDeliveries.
+func (e *Engine) ExportRecoverPendingDeliveries(
+	ctx context.Context,
+	webhookDB *gorm.DB,
+	webhookID string,
+) {
+	e.recoverPendingDeliveries(
+		ctx, webhookDB, webhookID,
+	)
+}
+
+// ExportRecoverWebhookDeliveries exposes
+// recoverWebhookDeliveries.
+func (e *Engine) ExportRecoverWebhookDeliveries(
+	ctx context.Context, webhookID string,
+) {
+	e.recoverWebhookDeliveries(ctx, webhookID)
+}
+
+// ExportRecoverInFlight exposes recoverInFlight.
+func (e *Engine) ExportRecoverInFlight(
+	ctx context.Context,
+) {
+	e.recoverInFlight(ctx)
+}
+
+// ExportStart exposes start for testing.
+func (e *Engine) ExportStart(ctx context.Context) {
+	e.start(ctx)
+}
+
+// ExportStop exposes stop for testing.
+func (e *Engine) ExportStop() {
+	e.stop()
+}
+
+// ExportDeliveryCh returns the delivery channel.
+func (e *Engine) ExportDeliveryCh() chan Task {
+	return e.deliveryCh
+}
+
+// ExportRetryCh returns the retry channel.
+func (e *Engine) ExportRetryCh() chan Task {
+	return e.retryCh
+}
+
+// NewTestEngine creates an Engine for unit tests without
+// database dependencies.
+func NewTestEngine(
+	log *slog.Logger,
+	client *http.Client,
+	workers int,
+) *Engine {
+	return &Engine{
+		log:        log,
+		client:     client,
+		deliveryCh: make(chan Task, deliveryChannelSize),
+		retryCh:    make(chan Task, retryChannelSize),
+		workers:    workers,
+	}
+}
+
+// NewTestEngineSmallRetry creates an Engine with a tiny
+// retry channel buffer for overflow testing.
+func NewTestEngineSmallRetry(
+	log *slog.Logger,
+) *Engine {
+	return &Engine{
+		log:     log,
+		retryCh: make(chan Task, 1),
+	}
+}
+
+// NewTestEngineWithDB creates an Engine with a real
+// database and dbManager for integration tests.
+func NewTestEngineWithDB(
+	db *database.Database,
+	dbMgr *database.WebhookDBManager,
+	log *slog.Logger,
+	client *http.Client,
+	workers int,
+) *Engine {
+	return &Engine{
+		database:   db,
+		dbManager:  dbMgr,
+		log:        log,
+		client:     client,
+		deliveryCh: make(chan Task, deliveryChannelSize),
+		retryCh:    make(chan Task, retryChannelSize),
+		workers:    workers,
+	}
+}
+
+// NewTestCircuitBreaker creates a CircuitBreaker with
+// custom settings for testing.
+func NewTestCircuitBreaker(
+	threshold int, cooldown time.Duration,
+) *CircuitBreaker {
+	return &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: threshold,
+		cooldown:  cooldown,
+	}
+}

internal/delivery/ssrf.go

@@ -0,0 +1,222 @@
+package delivery
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+const (
+	// dnsResolutionTimeout is the maximum time to wait for
+	// DNS resolution during SSRF validation.
+	dnsResolutionTimeout = 5 * time.Second
+)
+
+// Sentinel errors for SSRF validation.
+var (
+	errNoHostname = errors.New("URL has no hostname")
+	errNoIPs      = errors.New(
+		"hostname resolved to no IP addresses",
+	)
+	errBlockedIP = errors.New(
+		"blocked private/reserved IP range",
+	)
+	errInvalidScheme = errors.New(
+		"only http and https are allowed",
+	)
+)
+
+// blockedNetworks contains all private/reserved IP ranges
+// that should be blocked to prevent SSRF attacks.
+//
+//nolint:gochecknoglobals // package-level network list is appropriate here
+var blockedNetworks []*net.IPNet
+
+//nolint:gochecknoinits // init is the idiomatic way to parse CIDRs once at startup
+func init() {
+	cidrs := []string{
+		"127.0.0.0/8",
+		"10.0.0.0/8",
+		"172.16.0.0/12",
+		"192.168.0.0/16",
+		"169.254.0.0/16",
+		"0.0.0.0/8",
+		"100.64.0.0/10",
+		"192.0.0.0/24",
+		"192.0.2.0/24",
+		"198.18.0.0/15",
+		"198.51.100.0/24",
+		"203.0.113.0/24",
+		"224.0.0.0/4",
+		"240.0.0.0/4",
+		"::1/128",
+		"fc00::/7",
+		"fe80::/10",
+	}
+
+	for _, cidr := range cidrs {
+		_, network, err := net.ParseCIDR(cidr)
+		if err != nil {
+			panic(fmt.Sprintf(
+				"ssrf: failed to parse CIDR %q: %v",
+				cidr, err,
+			))
+		}
+
+		blockedNetworks = append(
+			blockedNetworks, network,
+		)
+	}
+}
+
+// isBlockedIP checks whether an IP address falls within
+// any blocked private/reserved network range.
+func isBlockedIP(ip net.IP) bool {
+	for _, network := range blockedNetworks {
+		if network.Contains(ip) {
+			return true
+		}
+	}
+
+	return false
+}
+
+// ValidateTargetURL checks that an HTTP delivery target
+// URL is safe from SSRF attacks.
+func ValidateTargetURL(
+	ctx context.Context, targetURL string,
+) error {
+	parsed, err := url.Parse(targetURL)
+	if err != nil {
+		return fmt.Errorf("invalid URL: %w", err)
+	}
+
+	err = validateScheme(parsed.Scheme)
+	if err != nil {
+		return err
+	}
+
+	host := parsed.Hostname()
+	if host == "" {
+		return errNoHostname
+	}
+
+	if ip := net.ParseIP(host); ip != nil {
+		return checkBlockedIP(ip)
+	}
+
+	return validateHostname(ctx, host)
+}
+
+func validateScheme(scheme string) error {
+	if scheme != "http" && scheme != "https" {
+		return fmt.Errorf(
+			"unsupported URL scheme %q: %w",
+			scheme, errInvalidScheme,
+		)
+	}
+
+	return nil
+}
+
+func checkBlockedIP(ip net.IP) error {
+	if isBlockedIP(ip) {
+		return fmt.Errorf(
+			"target IP %s is in a blocked "+
+				"private/reserved range: %w",
+			ip, errBlockedIP,
+		)
+	}
+
+	return nil
+}
+
+func validateHostname(
+	ctx context.Context, host string,
+) error {
+	dnsCtx, cancel := context.WithTimeout(
+		ctx, dnsResolutionTimeout,
+	)
+	defer cancel()
+
+	ips, err := net.DefaultResolver.LookupIPAddr(
+		dnsCtx, host,
+	)
+	if err != nil {
+		return fmt.Errorf(
+			"failed to resolve hostname %q: %w",
+			host, err,
+		)
+	}
+
+	if len(ips) == 0 {
+		return fmt.Errorf(
+			"hostname %q: %w", host, errNoIPs,
+		)
+	}
+
+	for _, ipAddr := range ips {
+		if isBlockedIP(ipAddr.IP) {
+			return fmt.Errorf(
+				"hostname %q resolves to blocked "+
+					"IP %s: %w",
+				host, ipAddr.IP, errBlockedIP,
+			)
+		}
+	}
+
+	return nil
+}
+
+// NewSSRFSafeTransport creates an http.Transport with a
+// custom DialContext that blocks connections to
+// private/reserved IP addresses.
+func NewSSRFSafeTransport() *http.Transport {
+	return &http.Transport{
+		DialContext: ssrfDialContext,
+	}
+}
+
+func ssrfDialContext(
+	ctx context.Context,
+	network, addr string,
+) (net.Conn, error) {
+	host, port, err := net.SplitHostPort(addr)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"ssrf: invalid address %q: %w",
+			addr, err,
+		)
+	}
+
+	ips, err := net.DefaultResolver.LookupIPAddr(
+		ctx, host,
+	)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"ssrf: DNS resolution failed for %q: %w",
+			host, err,
+		)
+	}
+
+	for _, ipAddr := range ips {
+		if isBlockedIP(ipAddr.IP) {
+			return nil, fmt.Errorf(
+				"ssrf: connection to %s (%s) "+
+					"blocked: %w",
+				host, ipAddr.IP, errBlockedIP,
+			)
+		}
+	}
+
+	var dialer net.Dialer
+
+	return dialer.DialContext(
+		ctx, network,
+		net.JoinHostPort(ips[0].IP.String(), port),
+	)
+}

internal/delivery/ssrf_test.go

@@ -0,0 +1,172 @@
+package delivery_test
+
+import (
+	"context"
+	"net"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"sneak.berlin/go/webhooker/internal/delivery"
+)
+
+func TestIsBlockedIP_PrivateRanges(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		ip      string
+		blocked bool
+	}{
+		{"loopback 127.0.0.1", "127.0.0.1", true},
+		{"loopback 127.0.0.2", "127.0.0.2", true},
+		{"loopback 127.255.255.255", "127.255.255.255", true},
+		{"10.0.0.0", "10.0.0.0", true},
+		{"10.0.0.1", "10.0.0.1", true},
+		{"10.255.255.255", "10.255.255.255", true},
+		{"172.16.0.1", "172.16.0.1", true},
+		{"172.31.255.255", "172.31.255.255", true},
+		{"172.15.255.255", "172.15.255.255", false},
+		{"172.32.0.0", "172.32.0.0", false},
+		{"192.168.0.1", "192.168.0.1", true},
+		{"192.168.255.255", "192.168.255.255", true},
+		{"169.254.0.1", "169.254.0.1", true},
+		{"169.254.169.254", "169.254.169.254", true},
+		{"8.8.8.8", "8.8.8.8", false},
+		{"1.1.1.1", "1.1.1.1", false},
+		{"93.184.216.34", "93.184.216.34", false},
+		{"::1", "::1", true},
+		{"fd00::1", "fd00::1", true},
+		{"fc00::1", "fc00::1", true},
+		{"fe80::1", "fe80::1", true},
+		{
+			"2607:f8b0:4004:800::200e",
+			"2607:f8b0:4004:800::200e",
+			false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			ip := net.ParseIP(tt.ip)
+
+			require.NotNil(t, ip,
+				"failed to parse IP %s", tt.ip,
+			)
+
+			assert.Equal(t,
+				tt.blocked,
+				delivery.ExportIsBlockedIP(ip),
+				"isBlockedIP(%s) = %v, want %v",
+				tt.ip,
+				delivery.ExportIsBlockedIP(ip),
+				tt.blocked,
+			)
+		})
+	}
+}
+
+func TestValidateTargetURL_Blocked(t *testing.T) {
+	t.Parallel()
+
+	blockedURLs := []string{
+		"http://127.0.0.1/hook",
+		"http://127.0.0.1:8080/hook",
+		"https://10.0.0.1/hook",
+		"http://192.168.1.1/webhook",
+		"http://172.16.0.1/api",
+		"http://169.254.169.254/latest/meta-data/",
+		"http://[::1]/hook",
+		"http://[fc00::1]/hook",
+		"http://[fe80::1]/hook",
+		"http://0.0.0.0/hook",
+	}
+
+	for _, u := range blockedURLs {
+		t.Run(u, func(t *testing.T) {
+			t.Parallel()
+
+			err := delivery.ValidateTargetURL(
+				context.Background(), u,
+			)
+
+			assert.Error(t, err,
+				"URL %s should be blocked", u,
+			)
+		})
+	}
+}
+
+func TestValidateTargetURL_Allowed(t *testing.T) {
+	t.Parallel()
+
+	allowedURLs := []string{
+		"https://example.com/hook",
+		"http://93.184.216.34/webhook",
+		"https://hooks.slack.com/services/T00/B00/xxx",
+	}
+
+	for _, u := range allowedURLs {
+		t.Run(u, func(t *testing.T) {
+			t.Parallel()
+
+			err := delivery.ValidateTargetURL(
+				context.Background(), u,
+			)
+
+			assert.NoError(t, err,
+				"URL %s should be allowed", u,
+			)
+		})
+	}
+}
+
+func TestValidateTargetURL_InvalidScheme(t *testing.T) {
+	t.Parallel()
+
+	err := delivery.ValidateTargetURL(
+		context.Background(), "ftp://example.com/hook",
+	)
+
+	require.Error(t, err)
+
+	assert.Contains(t, err.Error(),
+		"unsupported URL scheme",
+	)
+}
+
+func TestValidateTargetURL_EmptyHost(t *testing.T) {
+	t.Parallel()
+
+	err := delivery.ValidateTargetURL(
+		context.Background(), "http:///path",
+	)
+
+	assert.Error(t, err)
+}
+
+func TestValidateTargetURL_InvalidURL(t *testing.T) {
+	t.Parallel()
+
+	err := delivery.ValidateTargetURL(
+		context.Background(), "://invalid",
+	)
+
+	assert.Error(t, err)
+}
+
+func TestBlockedNetworks_Initialized(t *testing.T) {
+	t.Parallel()
+
+	nets := delivery.ExportBlockedNetworks()
+
+	assert.NotEmpty(t, nets,
+		"blockedNetworks should be initialized",
+	)
+
+	assert.GreaterOrEqual(t, len(nets), 8,
+		"should have at least 8 blocked network ranges",
+	)
+}

internal/globals/globals.go

@@ -1,28 +1,34 @@
+// Package globals provides build-time variables injected via ldflags.
 package globals
 
 import (
 	"go.uber.org/fx"
 )
 
-// these get populated from main() and copied into the Globals object.
+// Build-time variables populated from main() and copied into the
+// Globals object.
+//
+//nolint:gochecknoglobals // Build-time variables set by main().
 var (
 	Appname string
 	Version string
-	Buildarch string
 )
 
+// Globals holds build-time metadata about the application.
 type Globals struct {
 	Appname string
 	Version string
-	Buildarch string
 }
 
-// nolint:revive // lc parameter is required by fx even if unused
+// New creates a Globals instance from the package-level
+// build-time variables.
+//
+//nolint:revive // lc parameter is required by fx even if unused.
 func New(lc fx.Lifecycle) (*Globals, error) {
 	n := &Globals{
 		Appname: Appname,
-		Buildarch: Buildarch,
 		Version: Version,
 	}
+
 	return n, nil
 }

internal/globals/globals_test.go

@@ -1,30 +1,30 @@
-package globals
+package globals_test
 
 import (
 	"testing"
 
-	"go.uber.org/fx/fxtest"
+	"sneak.berlin/go/webhooker/internal/globals"
 )
 
-func TestNew(t *testing.T) {
-	// Set test values
-	Appname = "test-app"
-	Version = "1.0.0"
-	Buildarch = "test-arch"
+func TestGlobalsFields(t *testing.T) {
+	t.Parallel()
 
-	lc := fxtest.NewLifecycle(t)
-	globals, err := New(lc)
-	if err != nil {
-		t.Fatalf("New() error = %v", err)
+	g := &globals.Globals{
+		Appname: "test-app",
+		Version: "1.0.0",
 	}
 
-	if globals.Appname != "test-app" {
-		t.Errorf("Appname = %v, want %v", globals.Appname, "test-app")
+	if g.Appname != "test-app" {
+		t.Errorf(
+			"Appname = %v, want %v",
+			g.Appname, "test-app",
+		)
 	}
-	if globals.Version != "1.0.0" {
-		t.Errorf("Version = %v, want %v", globals.Version, "1.0.0")
-	}
-	if globals.Buildarch != "test-arch" {
-		t.Errorf("Buildarch = %v, want %v", globals.Buildarch, "test-arch")
+
+	if g.Version != "1.0.0" {
+		t.Errorf(
+			"Version = %v, want %v",
+			g.Version, "1.0.0",
+		)
 	}
 }

internal/handlers/auth.go

@@ -3,7 +3,7 @@ package handlers
 import (
 	"net/http"
 
-	"git.eeqj.de/sneak/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/database"
 )
 
 // HandleLoginPage returns a handler for the login page (GET)
@@ -13,25 +13,31 @@ func (h *Handlers) HandleLoginPage() http.HandlerFunc {
 		sess, err := h.session.Get(r)
 		if err == nil && h.session.IsAuthenticated(sess) {
 			http.Redirect(w, r, "/", http.StatusSeeOther)
+
 			return
 		}
 
 		// Render login page
-		data := map[string]interface{}{
+		data := map[string]any{
 			"Error": "",
 		}
 
-		h.renderTemplate(w, r, []string{"templates/base.html", "templates/login.html"}, data)
+		h.renderTemplate(w, r, "login.html", data)
 	}
 }
 
 // HandleLoginSubmit handles the login form submission (POST)
 func (h *Handlers) HandleLoginSubmit() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
+		// Limit request body to prevent memory exhaustion
+		r.Body = http.MaxBytesReader(w, r.Body, 1<<maxBodyShift)
+
 		// Parse form data
-		if err := r.ParseForm(); err != nil {
+		err := r.ParseForm()
+		if err != nil {
 			h.log.Error("failed to parse form", "error", err)
 			http.Error(w, "Bad request", http.StatusBadRequest)
+
 			return
 		}
 
@@ -40,76 +46,159 @@ func (h *Handlers) HandleLoginSubmit() http.HandlerFunc {
 
 		// Validate input
 		if username == "" || password == "" {
-			data := map[string]interface{}{
-				"Error": "Username and password are required",
-			}
-			w.WriteHeader(http.StatusBadRequest)
-			h.renderTemplate(w, r, []string{"templates/base.html", "templates/login.html"}, data)
+			h.renderLoginError(
+				w, r,
+				"Username and password are required",
+				http.StatusBadRequest,
+			)
+
 			return
 		}
 
-		// Find user in database
-		var user database.User
-		if err := h.db.DB().Where("username = ?", username).First(&user).Error; err != nil {
-			h.log.Debug("user not found", "username", username)
-			data := map[string]interface{}{
-				"Error": "Invalid username or password",
-			}
-			w.WriteHeader(http.StatusUnauthorized)
-			h.renderTemplate(w, r, []string{"templates/base.html", "templates/login.html"}, data)
-			return
-		}
-
-		// Verify password
-		valid, err := database.VerifyPassword(password, user.Password)
+		user, err := h.authenticateUser(
+			w, r, username, password,
+		)
 		if err != nil {
-			h.log.Error("failed to verify password", "error", err)
-			http.Error(w, "Internal server error", http.StatusInternalServerError)
 			return
 		}
 
-		if !valid {
-			h.log.Debug("invalid password", "username", username)
-			data := map[string]interface{}{
-				"Error": "Invalid username or password",
-			}
-			w.WriteHeader(http.StatusUnauthorized)
-			h.renderTemplate(w, r, []string{"templates/base.html", "templates/login.html"}, data)
-			return
-		}
-
-		// Create session
-		sess, err := h.session.Get(r)
+		err = h.createAuthenticatedSession(w, r, user)
 		if err != nil {
-			h.log.Error("failed to get session", "error", err)
-			http.Error(w, "Internal server error", http.StatusInternalServerError)
 			return
 		}
 
-		// Set user in session
-		h.session.SetUser(sess, user.ID, user.Username)
-
-		// Save session
-		if err := h.session.Save(r, w, sess); err != nil {
-			h.log.Error("failed to save session", "error", err)
-			http.Error(w, "Internal server error", http.StatusInternalServerError)
-			return
-		}
-
-		h.log.Info("user logged in", "username", username, "user_id", user.ID)
+		h.log.Info(
+			"user logged in",
+			"username", username,
+			"user_id", user.ID,
+		)
 
 		// Redirect to home page
 		http.Redirect(w, r, "/", http.StatusSeeOther)
 	}
 }
 
+// renderLoginError renders the login page with an error message.
+func (h *Handlers) renderLoginError(
+	w http.ResponseWriter,
+	r *http.Request,
+	msg string,
+	status int,
+) {
+	data := map[string]any{
+		"Error": msg,
+	}
+
+	w.WriteHeader(status)
+	h.renderTemplate(w, r, "login.html", data)
+}
+
+// authenticateUser looks up and verifies a user's credentials.
+// On failure it writes an HTTP response and returns an error.
+func (h *Handlers) authenticateUser(
+	w http.ResponseWriter,
+	r *http.Request,
+	username, password string,
+) (database.User, error) {
+	var user database.User
+
+	err := h.db.DB().Where(
+		"username = ?", username,
+	).First(&user).Error
+	if err != nil {
+		h.log.Debug("user not found", "username", username)
+		h.renderLoginError(
+			w, r,
+			"Invalid username or password",
+			http.StatusUnauthorized,
+		)
+
+		return user, err
+	}
+
+	valid, err := database.VerifyPassword(password, user.Password)
+	if err != nil {
+		h.log.Error("failed to verify password", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
+
+		return user, err
+	}
+
+	if !valid {
+		h.log.Debug("invalid password", "username", username)
+		h.renderLoginError(
+			w, r,
+			"Invalid username or password",
+			http.StatusUnauthorized,
+		)
+
+		return user, errInvalidPassword
+	}
+
+	return user, nil
+}
+
+// createAuthenticatedSession regenerates the session and stores
+// user info. On failure it writes an HTTP response and returns
+// an error.
+func (h *Handlers) createAuthenticatedSession(
+	w http.ResponseWriter,
+	r *http.Request,
+	user database.User,
+) error {
+	oldSess, err := h.session.Get(r)
+	if err != nil {
+		h.log.Error("failed to get session", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
+
+		return err
+	}
+
+	sess, err := h.session.Regenerate(r, w, oldSess)
+	if err != nil {
+		h.log.Error(
+			"failed to regenerate session", "error", err,
+		)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
+
+		return err
+	}
+
+	h.session.SetUser(sess, user.ID, user.Username)
+
+	err = h.session.Save(r, w, sess)
+	if err != nil {
+		h.log.Error("failed to save session", "error", err)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
+
+		return err
+	}
+
+	return nil
+}
+
 // HandleLogout handles user logout
 func (h *Handlers) HandleLogout() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		sess, err := h.session.Get(r)
 		if err != nil {
 			h.log.Error("failed to get session", "error", err)
-			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			http.Redirect(
+				w, r, "/pages/login", http.StatusSeeOther,
+			)
+
 			return
 		}
 
@@ -117,8 +206,12 @@ func (h *Handlers) HandleLogout() http.HandlerFunc {
 		h.session.Destroy(sess)
 
 		// Save the destroyed session
-		if err := h.session.Save(r, w, sess); err != nil {
-			h.log.Error("failed to save destroyed session", "error", err)
+		err = h.session.Save(r, w, sess)
+		if err != nil {
+			h.log.Error(
+				"failed to save destroyed session",
+				"error", err,
+			)
 		}
 
 		// Redirect to login page

internal/handlers/export_test.go

@@ -0,0 +1,14 @@
+package handlers
+
+import "net/http"
+
+// RenderTemplateForTest exposes renderTemplate for use in the
+// handlers_test package.
+func (s *Handlers) RenderTemplateForTest(
+	w http.ResponseWriter,
+	r *http.Request,
+	pageTemplate string,
+	data any,
+) {
+	s.renderTemplate(w, r, pageTemplate, data)
+}

internal/handlers/handlers.go

@@ -1,58 +1,127 @@
+// Package handlers provides HTTP request handlers for the
+// webhooker web UI and API.
 package handlers
 
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"html/template"
 	"log/slog"
 	"net/http"
 
-	"git.eeqj.de/sneak/webhooker/internal/database"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/healthcheck"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
-	"git.eeqj.de/sneak/webhooker/internal/session"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/healthcheck"
+	"sneak.berlin/go/webhooker/internal/logger"
+	"sneak.berlin/go/webhooker/internal/middleware"
+	"sneak.berlin/go/webhooker/internal/session"
+	"sneak.berlin/go/webhooker/templates"
 )
 
-// nolint:revive // HandlersParams is a standard fx naming convention
+const (
+	// maxBodyShift is the bit shift for 1 MB body limit.
+	maxBodyShift = 20
+	// recentEventLimit is the number of recent events to show.
+	recentEventLimit = 20
+	// defaultRetentionDays is the default event retention period.
+	defaultRetentionDays = 30
+	// paginationPerPage is the number of items per page.
+	paginationPerPage = 25
+)
+
+// errInvalidPassword is returned when a password does not match.
+var errInvalidPassword = errors.New("invalid password")
+
+//nolint:revive // HandlersParams is a standard fx naming convention.
 type HandlersParams struct {
 	fx.In
+
 	Logger       *logger.Logger
 	Globals      *globals.Globals
 	Database     *database.Database
+	WebhookDBMgr *database.WebhookDBManager
 	Healthcheck  *healthcheck.Healthcheck
 	Session      *session.Session
+	Notifier     delivery.Notifier
 }
 
+// Handlers provides HTTP handler methods for all application
+// routes.
 type Handlers struct {
 	params    *HandlersParams
 	log       *slog.Logger
 	hc        *healthcheck.Healthcheck
 	db        *database.Database
+	dbMgr     *database.WebhookDBManager
 	session   *session.Session
+	notifier  delivery.Notifier
+	templates map[string]*template.Template
 }
 
-func New(lc fx.Lifecycle, params HandlersParams) (*Handlers, error) {
+// parsePageTemplate parses a page-specific template set from the
+// embedded FS. Each page template is combined with the shared
+// base, htmlheader, and navbar templates. The page file must be
+// listed first so that its root action ({{template "base" .}})
+// becomes the template set's entry point.
+func parsePageTemplate(pageFile string) *template.Template {
+	return template.Must(
+		template.ParseFS(
+			templates.Templates,
+			pageFile,
+			"base.html",
+			"htmlheader.html",
+			"navbar.html",
+		),
+	)
+}
+
+// New creates a Handlers instance, parsing all page templates at
+// startup.
+func New(
+	lc fx.Lifecycle,
+	params HandlersParams,
+) (*Handlers, error) {
 	s := new(Handlers)
 	s.params = &params
 	s.log = params.Logger.Get()
 	s.hc = params.Healthcheck
 	s.db = params.Database
+	s.dbMgr = params.WebhookDBMgr
 	s.session = params.Session
+	s.notifier = params.Notifier
+
+	// Parse all page templates once at startup
+	s.templates = map[string]*template.Template{
+		"login.html":         parsePageTemplate("login.html"),
+		"profile.html":       parsePageTemplate("profile.html"),
+		"sources_list.html":  parsePageTemplate("sources_list.html"),
+		"sources_new.html":   parsePageTemplate("sources_new.html"),
+		"source_detail.html": parsePageTemplate("source_detail.html"),
+		"source_edit.html":   parsePageTemplate("source_edit.html"),
+		"source_logs.html":   parsePageTemplate("source_logs.html"),
+	}
+
 	lc.Append(fx.Hook{
-		OnStart: func(ctx context.Context) error {
-			// FIXME compile some templates here or something
+		OnStart: func(_ context.Context) error {
 			return nil
 		},
 	})
+
 	return s, nil
 }
 
-//nolint:unparam // r parameter will be used in the future for request context
-func (s *Handlers) respondJSON(w http.ResponseWriter, r *http.Request, data interface{}, status int) {
+func (s *Handlers) respondJSON(
+	w http.ResponseWriter,
+	_ *http.Request,
+	data any,
+	status int,
+) {
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(status)
+
 	if data != nil {
 		err := json.NewEncoder(w).Encode(data)
 		if err != nil {
@@ -61,17 +130,15 @@ func (s *Handlers) respondJSON(w http.ResponseWriter, r *http.Request, data inte
 	}
 }
 
-//nolint:unparam,unused // will be used for handling JSON requests
-func (s *Handlers) decodeJSON(w http.ResponseWriter, r *http.Request, v interface{}) error {
-	return json.NewDecoder(r.Body).Decode(v)
-}
-
-// TemplateData represents the common data passed to templates
-type TemplateData struct {
-	User      *UserInfo
-	Version   string
-	UserCount int64
-	Uptime    string
+// serverError logs an error and sends a 500 response.
+func (s *Handlers) serverError(
+	w http.ResponseWriter, msg string, err error,
+) {
+	s.log.Error(msg, "error", err)
+	http.Error(
+		w, "Internal server error",
+		http.StatusInternalServerError,
+	)
 }
 
 // UserInfo represents user information for templates
@@ -80,58 +147,91 @@ type UserInfo struct {
 	Username string
 }
 
-// renderTemplate renders a template with common data
-func (s *Handlers) renderTemplate(w http.ResponseWriter, r *http.Request, templateFiles []string, data interface{}) {
-	// Always include the common templates
-	allTemplates := []string{"templates/htmlheader.html", "templates/navbar.html"}
-	allTemplates = append(allTemplates, templateFiles...)
+// templateDataWrapper wraps non-map data with common fields.
+type templateDataWrapper struct {
+	User      *UserInfo
+	CSRFToken string
+	Data      any
+}
+
+// getUserInfo extracts user info from the session.
+func (s *Handlers) getUserInfo(
+	r *http.Request,
+) *UserInfo {
+	sess, err := s.session.Get(r)
+	if err != nil || !s.session.IsAuthenticated(sess) {
+		return nil
+	}
+
+	username, ok := s.session.GetUsername(sess)
+	if !ok {
+		return nil
+	}
+
+	userID, ok := s.session.GetUserID(sess)
+	if !ok {
+		return nil
+	}
+
+	return &UserInfo{ID: userID, Username: username}
+}
+
+// renderTemplate renders a pre-parsed template with common
+// data
+func (s *Handlers) renderTemplate(
+	w http.ResponseWriter,
+	r *http.Request,
+	pageTemplate string,
+	data any,
+) {
+	tmpl, ok := s.templates[pageTemplate]
+	if !ok {
+		s.log.Error(
+			"template not found",
+			"template", pageTemplate,
+		)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 
-	// Parse templates
-	tmpl, err := template.ParseFiles(allTemplates...)
-	if err != nil {
-		s.log.Error("failed to parse template", "error", err)
-		http.Error(w, "Internal server error", http.StatusInternalServerError)
 		return
 	}
 
-	// Get user from session if available
-	var userInfo *UserInfo
-	sess, err := s.session.Get(r)
-	if err == nil && s.session.IsAuthenticated(sess) {
-		if username, ok := s.session.GetUsername(sess); ok {
-			if userID, ok := s.session.GetUserID(sess); ok {
-				userInfo = &UserInfo{
-					ID:       userID,
-					Username: username,
-				}
-			}
-		}
-	}
+	userInfo := s.getUserInfo(r)
+	csrfToken := middleware.CSRFToken(r)
 
-	// Wrap data with base template data
-	type templateDataWrapper struct {
-		User *UserInfo
-		Data interface{}
+	if m, ok := data.(map[string]any); ok {
+		m["User"] = userInfo
+		m["CSRFToken"] = csrfToken
+		s.executeTemplate(w, tmpl, m)
+
+		return
 	}
 
 	wrapper := templateDataWrapper{
 		User:      userInfo,
+		CSRFToken: csrfToken,
 		Data:      data,
 	}
 
-	// If data is a map, merge user info into it
-	if m, ok := data.(map[string]interface{}); ok {
-		m["User"] = userInfo
-		if err := tmpl.Execute(w, m); err != nil {
-			s.log.Error("failed to execute template", "error", err)
-			http.Error(w, "Internal server error", http.StatusInternalServerError)
-		}
-		return
-	}
+	s.executeTemplate(w, tmpl, wrapper)
+}
 
-	// Otherwise use wrapper
-	if err := tmpl.Execute(w, wrapper); err != nil {
-		s.log.Error("failed to execute template", "error", err)
-		http.Error(w, "Internal server error", http.StatusInternalServerError)
+// executeTemplate runs the template and handles errors.
+func (s *Handlers) executeTemplate(
+	w http.ResponseWriter,
+	tmpl *template.Template,
+	data any,
+) {
+	err := tmpl.Execute(w, data)
+	if err != nil {
+		s.log.Error(
+			"failed to execute template", "error", err,
+		)
+		http.Error(
+			w, "Internal server error",
+			http.StatusInternalServerError,
+		)
 	}
 }

internal/handlers/handlers_test.go

@@ -1,130 +1,142 @@
-package handlers
+package handlers_test
 
 import (
+	"context"
 	"net/http"
 	"net/http/httptest"
 	"testing"
-	"time"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/database"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/healthcheck"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
-	"git.eeqj.de/sneak/webhooker/internal/session"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/fx"
 	"go.uber.org/fx/fxtest"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/handlers"
+	"sneak.berlin/go/webhooker/internal/healthcheck"
+	"sneak.berlin/go/webhooker/internal/logger"
+	"sneak.berlin/go/webhooker/internal/session"
 )
 
-func TestHandleIndex(t *testing.T) {
-	var h *Handlers
+type noopNotifier struct{}
 
-	app := fxtest.New(
+func (n *noopNotifier) Notify([]delivery.Task) {}
+
+func newTestApp(
+	t *testing.T,
+	targets ...any,
+) *fxtest.App {
+	t.Helper()
+
+	return fxtest.New(
 		t,
 		fx.Provide(
 			globals.New,
 			logger.New,
 			func() *config.Config {
 				return &config.Config{
-					// This is a base64 encoded 32-byte key: "test-session-key-32-bytes-long!!"
-					SessionKey: "dGVzdC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
+					DataDir: t.TempDir(),
 				}
 			},
-			func() *database.Database {
-				// Mock database with a mock DB method
-				db := &database.Database{}
-				return db
-			},
+			database.New,
+			database.NewWebhookDBManager,
 			healthcheck.New,
 			session.New,
-			New,
+			func() delivery.Notifier {
+				return &noopNotifier{}
+			},
+			handlers.New,
 		),
-		fx.Populate(&h),
+		fx.Populate(targets...),
 	)
-	app.RequireStart()
-	defer app.RequireStop()
+}
+
+func TestHandleIndex_Unauthenticated(t *testing.T) {
+	t.Parallel()
+
+	var h *handlers.Handlers
+
+	app := newTestApp(t, &h)
+	app.RequireStart()
+
+	t.Cleanup(app.RequireStop)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w := httptest.NewRecorder()
 
-	// Since we can't test actual template rendering without templates,
-	// let's test that the handler is created and doesn't panic
 	handler := h.HandleIndex()
-	assert.NotNil(t, handler)
+	handler.ServeHTTP(w, req)
+
+	assert.Equal(t, http.StatusSeeOther, w.Code)
+	assert.Equal(
+		t, "/pages/login", w.Header().Get("Location"),
+	)
+}
+
+func TestHandleIndex_Authenticated(t *testing.T) {
+	t.Parallel()
+
+	var h *handlers.Handlers
+
+	var sess *session.Session
+
+	app := newTestApp(t, &h, &sess)
+	app.RequireStart()
+
+	t.Cleanup(app.RequireStop)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w := httptest.NewRecorder()
+
+	s, err := sess.Get(req)
+	require.NoError(t, err)
+
+	sess.SetUser(s, "test-user-id", "testuser")
+
+	err = sess.Save(req, w, s)
+	require.NoError(t, err)
+
+	req2 := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	for _, cookie := range w.Result().Cookies() {
+		req2.AddCookie(cookie)
+	}
+
+	w2 := httptest.NewRecorder()
+	h.HandleIndex().ServeHTTP(w2, req2)
+
+	assert.Equal(t, http.StatusSeeOther, w2.Code)
+	assert.Equal(
+		t, "/sources", w2.Header().Get("Location"),
+	)
 }
 
 func TestRenderTemplate(t *testing.T) {
-	var h *Handlers
+	t.Parallel()
 
-	app := fxtest.New(
-		t,
-		fx.Provide(
-			globals.New,
-			logger.New,
-			func() *config.Config {
-				return &config.Config{
-					// This is a base64 encoded 32-byte key: "test-session-key-32-bytes-long!!"
-					SessionKey: "dGVzdC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
-				}
-			},
-			func() *database.Database {
-				// Mock database
-				return &database.Database{}
-			},
-			healthcheck.New,
-			session.New,
-			New,
-		),
-		fx.Populate(&h),
-	)
+	var h *handlers.Handlers
+
+	app := newTestApp(t, &h)
 	app.RequireStart()
-	defer app.RequireStop()
 
-	t.Run("handles missing templates gracefully", func(t *testing.T) {
-		req := httptest.NewRequest(http.MethodGet, "/", nil)
+	t.Cleanup(app.RequireStop)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
 	w := httptest.NewRecorder()
 
-		data := map[string]interface{}{
-			"Version": "1.0.0",
-		}
+	data := map[string]any{"Version": "1.0.0"}
 
-		// When templates don't exist, renderTemplate should return an error
-		h.renderTemplate(w, req, []string{"nonexistent.html"}, data)
+	h.RenderTemplateForTest(
+		w, req, "nonexistent.html", data,
+	)
 
-		// Should return internal server error when template parsing fails
-		assert.Equal(t, http.StatusInternalServerError, w.Code)
-	})
-}
-
-func TestFormatUptime(t *testing.T) {
-	tests := []struct {
-		name     string
-		duration string
-		expected string
-	}{
-		{
-			name:     "minutes only",
-			duration: "45m",
-			expected: "45m",
-		},
-		{
-			name:     "hours and minutes",
-			duration: "2h30m",
-			expected: "2h 30m",
-		},
-		{
-			name:     "days, hours and minutes",
-			duration: "25h45m",
-			expected: "1d 1h 45m",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			d, err := time.ParseDuration(tt.duration)
-			require.NoError(t, err)
-
-			result := formatUptime(d)
-			assert.Equal(t, tt.expected, result)
-		})
-	}
+	assert.Equal(
+		t, http.StatusInternalServerError, w.Code,
+	)
 }

internal/handlers/healthcheck.go

@@ -4,9 +4,13 @@ import (
 	"net/http"
 )
 
+const httpStatusOK = 200
+
+// HandleHealthCheck returns an HTTP handler that reports
+// application health.
 func (s *Handlers) HandleHealthCheck() http.HandlerFunc {
 	return func(w http.ResponseWriter, req *http.Request) {
 		resp := s.hc.Healthcheck()
-		s.respondJSON(w, req, resp, 200)
+		s.respondJSON(w, req, resp, httpStatusOK)
 	}
 }

internal/handlers/index.go

@@ -1,54 +1,21 @@
 package handlers
 
 import (
-	"fmt"
 	"net/http"
-	"time"
-
-	"git.eeqj.de/sneak/webhooker/internal/database"
 )
 
-type IndexResponse struct {
-	Message string `json:"message"`
-	Version string `json:"version"`
-}
-
+// HandleIndex returns a handler for the root path that redirects
+// based on authentication state: authenticated users go to /sources
+// (the dashboard), unauthenticated users go to the login page.
 func (s *Handlers) HandleIndex() http.HandlerFunc {
-	// Calculate server start time
-	startTime := time.Now()
+	return func(w http.ResponseWriter, r *http.Request) {
+		sess, err := s.session.Get(r)
+		if err == nil && s.session.IsAuthenticated(sess) {
+			http.Redirect(w, r, "/sources", http.StatusSeeOther)
 
-	return func(w http.ResponseWriter, req *http.Request) {
-		// Calculate uptime
-		uptime := time.Since(startTime)
-		uptimeStr := formatUptime(uptime)
-
-		// Get user count from database
-		var userCount int64
-		s.db.DB().Model(&database.User{}).Count(&userCount)
-
-		// Prepare template data
-		data := map[string]interface{}{
-			"Version":   s.params.Globals.Version,
-			"Uptime":    uptimeStr,
-			"UserCount": userCount,
+			return
 		}
 
-		// Render the template
-		s.renderTemplate(w, req, []string{"templates/base.html", "templates/index.html"}, data)
+		http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
 	}
 }
-
-// formatUptime formats a duration into a human-readable string
-func formatUptime(d time.Duration) string {
-	days := int(d.Hours()) / 24
-	hours := int(d.Hours()) % 24
-	minutes := int(d.Minutes()) % 60
-
-	if days > 0 {
-		return fmt.Sprintf("%dd %dh %dm", days, hours, minutes)
-	}
-	if hours > 0 {
-		return fmt.Sprintf("%dh %dm", hours, minutes)
-	}
-	return fmt.Sprintf("%dm", minutes)
-}

internal/handlers/profile.go

@@ -13,6 +13,7 @@ func (h *Handlers) HandleProfile() http.HandlerFunc {
 		requestedUsername := chi.URLParam(r, "username")
 		if requestedUsername == "" {
 			http.NotFound(w, r)
+
 			return
 		}
 
@@ -21,6 +22,7 @@ func (h *Handlers) HandleProfile() http.HandlerFunc {
 		if err != nil || !h.session.IsAuthenticated(sess) {
 			// Redirect to login if not authenticated
 			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+
 			return
 		}
 
@@ -29,6 +31,7 @@ func (h *Handlers) HandleProfile() http.HandlerFunc {
 		if !ok {
 			h.log.Error("authenticated session missing username")
 			http.Error(w, "Internal server error", http.StatusInternalServerError)
+
 			return
 		}
 
@@ -36,17 +39,19 @@ func (h *Handlers) HandleProfile() http.HandlerFunc {
 		if !ok {
 			h.log.Error("authenticated session missing user ID")
 			http.Error(w, "Internal server error", http.StatusInternalServerError)
+
 			return
 		}
 
 		// For now, only allow users to view their own profile
 		if requestedUsername != sessionUsername {
 			http.Error(w, "Forbidden", http.StatusForbidden)
+
 			return
 		}
 
 		// Prepare data for template
-		data := map[string]interface{}{
+		data := map[string]any{
 			"User": &UserInfo{
 				ID:       sessionUserID,
 				Username: sessionUsername,
@@ -54,6 +59,6 @@ func (h *Handlers) HandleProfile() http.HandlerFunc {
 		}
 
 		// Render the profile page
-		h.renderTemplate(w, r, []string{"templates/base.html", "templates/profile.html"}, data)
+		h.renderTemplate(w, r, "profile.html", data)
 	}
 }

internal/handlers/webhook.go

@@ -1,42 +1,346 @@
 package handlers
 
 import (
+	"encoding/json"
+	"io"
 	"net/http"
 
 	"github.com/go-chi/chi"
+	"gorm.io/gorm"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-// HandleWebhook handles incoming webhook requests
+const (
+	// maxWebhookBodySize is the maximum allowed webhook
+	// request body (1 MB).
+	maxWebhookBodySize = 1 << maxBodyShift
+)
+
+// HandleWebhook handles incoming webhook requests at entrypoint
+// URLs.
 func (h *Handlers) HandleWebhook() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// Get webhook UUID from URL
-		webhookUUID := chi.URLParam(r, "uuid")
-		if webhookUUID == "" {
-			http.NotFound(w, r)
-			return
-		}
-
-		// Log the incoming webhook request
-		h.log.Info("webhook request received",
-			"uuid", webhookUUID,
-			"method", r.Method,
-			"remote_addr", r.RemoteAddr,
-			"user_agent", r.UserAgent(),
-		)
-
-		// Only POST methods are allowed for webhooks
 		if r.Method != http.MethodPost {
 			w.Header().Set("Allow", "POST")
-			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			http.Error(
+				w,
+				"Method Not Allowed",
+				http.StatusMethodNotAllowed,
+			)
+
 			return
 		}
 
-		// TODO: Implement webhook handling logic
-		// For now, return "unimplemented" for all webhook POST requests
-		w.WriteHeader(http.StatusNotFound)
-		_, err := w.Write([]byte("unimplemented"))
-		if err != nil {
-			h.log.Error("failed to write response", "error", err)
+		entrypointUUID := chi.URLParam(r, "uuid")
+		if entrypointUUID == "" {
+			http.NotFound(w, r)
+
+			return
 		}
+
+		h.log.Info("webhook request received",
+			"entrypoint_uuid", entrypointUUID,
+			"method", r.Method,
+			"remote_addr", r.RemoteAddr,
+		)
+
+		entrypoint, ok := h.lookupEntrypoint(
+			w, r, entrypointUUID,
+		)
+		if !ok {
+			return
+		}
+
+		if !entrypoint.Active {
+			http.Error(w, "Gone", http.StatusGone)
+
+			return
+		}
+
+		h.processWebhookRequest(w, r, entrypoint)
 	}
 }
+
+// processWebhookRequest reads the body, serializes headers,
+// loads targets, and delivers the event.
+func (h *Handlers) processWebhookRequest(
+	w http.ResponseWriter,
+	r *http.Request,
+	entrypoint database.Entrypoint,
+) {
+	body, ok := h.readWebhookBody(w, r)
+	if !ok {
+		return
+	}
+
+	headersJSON, err := json.Marshal(r.Header)
+	if err != nil {
+		h.serverError(w, "failed to serialize headers", err)
+
+		return
+	}
+
+	targets, err := h.loadActiveTargets(entrypoint.WebhookID)
+	if err != nil {
+		h.serverError(w, "failed to query targets", err)
+
+		return
+	}
+
+	h.createAndDeliverEvent(
+		w, r, entrypoint, body, headersJSON, targets,
+	)
+}
+
+// loadActiveTargets returns all active targets for a webhook.
+func (h *Handlers) loadActiveTargets(
+	webhookID string,
+) ([]database.Target, error) {
+	var targets []database.Target
+
+	err := h.db.DB().Where(
+		"webhook_id = ? AND active = ?",
+		webhookID, true,
+	).Find(&targets).Error
+
+	return targets, err
+}
+
+// lookupEntrypoint finds an entrypoint by UUID path.
+func (h *Handlers) lookupEntrypoint(
+	w http.ResponseWriter,
+	r *http.Request,
+	entrypointUUID string,
+) (database.Entrypoint, bool) {
+	var entrypoint database.Entrypoint
+
+	result := h.db.DB().Where(
+		"path = ?", entrypointUUID,
+	).First(&entrypoint)
+	if result.Error != nil {
+		h.log.Debug(
+			"entrypoint not found",
+			"path", entrypointUUID,
+		)
+		http.NotFound(w, r)
+
+		return entrypoint, false
+	}
+
+	return entrypoint, true
+}
+
+// readWebhookBody reads and validates the request body size.
+func (h *Handlers) readWebhookBody(
+	w http.ResponseWriter,
+	r *http.Request,
+) ([]byte, bool) {
+	body, err := io.ReadAll(
+		io.LimitReader(r.Body, maxWebhookBodySize+1),
+	)
+	if err != nil {
+		h.log.Error(
+			"failed to read request body", "error", err,
+		)
+		http.Error(
+			w, "Bad request", http.StatusBadRequest,
+		)
+
+		return nil, false
+	}
+
+	if len(body) > maxWebhookBodySize {
+		http.Error(
+			w,
+			"Request body too large",
+			http.StatusRequestEntityTooLarge,
+		)
+
+		return nil, false
+	}
+
+	return body, true
+}
+
+// createAndDeliverEvent creates the event and delivery records
+// then notifies the delivery engine.
+func (h *Handlers) createAndDeliverEvent(
+	w http.ResponseWriter,
+	r *http.Request,
+	entrypoint database.Entrypoint,
+	body, headersJSON []byte,
+	targets []database.Target,
+) {
+	tx, err := h.beginWebhookTx(w, entrypoint.WebhookID)
+	if err != nil {
+		return
+	}
+
+	event := h.buildEvent(r, entrypoint, headersJSON, body)
+
+	err = tx.Create(event).Error
+	if err != nil {
+		tx.Rollback()
+		h.serverError(w, "failed to create event", err)
+
+		return
+	}
+
+	bodyPtr := inlineBody(body)
+
+	tasks := h.buildDeliveryTasks(
+		w, tx, event, entrypoint, targets, bodyPtr,
+	)
+	if tasks == nil {
+		return
+	}
+
+	err = tx.Commit().Error
+	if err != nil {
+		h.serverError(w, "failed to commit transaction", err)
+
+		return
+	}
+
+	h.finishWebhookResponse(w, event, entrypoint, tasks)
+}
+
+// beginWebhookTx opens a transaction on the per-webhook DB.
+func (h *Handlers) beginWebhookTx(
+	w http.ResponseWriter,
+	webhookID string,
+) (*gorm.DB, error) {
+	webhookDB, err := h.dbMgr.GetDB(webhookID)
+	if err != nil {
+		h.serverError(
+			w, "failed to get webhook database", err,
+		)
+
+		return nil, err
+	}
+
+	tx := webhookDB.Begin()
+	if tx.Error != nil {
+		h.serverError(
+			w, "failed to begin transaction", tx.Error,
+		)
+
+		return nil, tx.Error
+	}
+
+	return tx, nil
+}
+
+// inlineBody returns a pointer to body as a string if it fits
+// within the inline size limit, or nil otherwise.
+func inlineBody(body []byte) *string {
+	if len(body) < delivery.MaxInlineBodySize {
+		s := string(body)
+
+		return &s
+	}
+
+	return nil
+}
+
+// finishWebhookResponse notifies the delivery engine, logs the
+// event, and writes the HTTP response.
+func (h *Handlers) finishWebhookResponse(
+	w http.ResponseWriter,
+	event *database.Event,
+	entrypoint database.Entrypoint,
+	tasks []delivery.Task,
+) {
+	if len(tasks) > 0 {
+		h.notifier.Notify(tasks)
+	}
+
+	h.log.Info("webhook event created",
+		"event_id", event.ID,
+		"webhook_id", entrypoint.WebhookID,
+		"entrypoint_id", entrypoint.ID,
+		"target_count", len(tasks),
+	)
+
+	w.WriteHeader(http.StatusOK)
+
+	_, err := w.Write([]byte(`{"status":"ok"}`))
+	if err != nil {
+		h.log.Error(
+			"failed to write response", "error", err,
+		)
+	}
+}
+
+// buildEvent creates a new Event struct from request data.
+func (h *Handlers) buildEvent(
+	r *http.Request,
+	entrypoint database.Entrypoint,
+	headersJSON, body []byte,
+) *database.Event {
+	return &database.Event{
+		WebhookID:    entrypoint.WebhookID,
+		EntrypointID: entrypoint.ID,
+		Method:       r.Method,
+		Headers:      string(headersJSON),
+		Body:         string(body),
+		ContentType:  r.Header.Get("Content-Type"),
+	}
+}
+
+// buildDeliveryTasks creates delivery records in the
+// transaction and returns tasks for the delivery engine.
+// Returns nil if an error occurred.
+func (h *Handlers) buildDeliveryTasks(
+	w http.ResponseWriter,
+	tx *gorm.DB,
+	event *database.Event,
+	entrypoint database.Entrypoint,
+	targets []database.Target,
+	bodyPtr *string,
+) []delivery.Task {
+	tasks := make([]delivery.Task, 0, len(targets))
+
+	for i := range targets {
+		dlv := &database.Delivery{
+			EventID:  event.ID,
+			TargetID: targets[i].ID,
+			Status:   database.DeliveryStatusPending,
+		}
+
+		err := tx.Create(dlv).Error
+		if err != nil {
+			tx.Rollback()
+			h.log.Error(
+				"failed to create delivery",
+				"target_id", targets[i].ID,
+				"error", err,
+			)
+			http.Error(
+				w, "Internal server error",
+				http.StatusInternalServerError,
+			)
+
+			return nil
+		}
+
+		tasks = append(tasks, delivery.Task{
+			DeliveryID:   dlv.ID,
+			EventID:      event.ID,
+			WebhookID:    entrypoint.WebhookID,
+			TargetID:     targets[i].ID,
+			TargetName:   targets[i].Name,
+			TargetType:   targets[i].Type,
+			TargetConfig: targets[i].Config,
+			MaxRetries:   targets[i].MaxRetries,
+			Method:       event.Method,
+			Headers:      event.Headers,
+			ContentType:  event.ContentType,
+			Body:         bodyPtr,
+			AttemptNum:   1,
+		})
+	}
+
+	return tasks
+}

internal/healthcheck/healthcheck.go

@@ -1,3 +1,4 @@
+// Package healthcheck provides application health status reporting.
 package healthcheck
 
 import (
@@ -5,62 +6,58 @@ import (
 	"log/slog"
 	"time"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/database"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
-// nolint:revive // HealthcheckParams is a standard fx naming convention
+//nolint:revive // HealthcheckParams is a standard fx naming convention.
 type HealthcheckParams struct {
 	fx.In
+
 	Globals  *globals.Globals
 	Config   *config.Config
 	Logger   *logger.Logger
 	Database *database.Database
 }
 
+// Healthcheck tracks application uptime and reports health status.
 type Healthcheck struct {
 	StartupTime time.Time
 	log         *slog.Logger
 	params      *HealthcheckParams
 }
 
-func New(lc fx.Lifecycle, params HealthcheckParams) (*Healthcheck, error) {
+// New creates a Healthcheck that records the startup time on fx
+// start.
+func New(
+	lc fx.Lifecycle,
+	params HealthcheckParams,
+) (*Healthcheck, error) {
 	s := new(Healthcheck)
 	s.params = &params
 	s.log = params.Logger.Get()
 
 	lc.Append(fx.Hook{
-		OnStart: func(_ context.Context) error { // nolint:revive // ctx unused but required by fx
+		OnStart: func(_ context.Context) error {
 			s.StartupTime = time.Now()
+
 			return nil
 		},
-		OnStop: func(ctx context.Context) error {
+		OnStop: func(_ context.Context) error {
 			return nil
 		},
 	})
+
 	return s, nil
 }
 
-// nolint:revive // HealthcheckResponse is a clear, descriptive name
-type HealthcheckResponse struct {
-	Status        string `json:"status"`
-	Now           string `json:"now"`
-	UptimeSeconds int64  `json:"uptime_seconds"`
-	UptimeHuman   string `json:"uptime_human"`
-	Version       string `json:"version"`
-	Appname       string `json:"appname"`
-	Maintenance   bool   `json:"maintenance_mode"`
-}
-
-func (s *Healthcheck) uptime() time.Duration {
-	return time.Since(s.StartupTime)
-}
-
-func (s *Healthcheck) Healthcheck() *HealthcheckResponse {
-	resp := &HealthcheckResponse{
+// Healthcheck returns the current health status of the
+// application.
+func (s *Healthcheck) Healthcheck() *Response {
+	resp := &Response{
 		Status:        "ok",
 		Now:           time.Now().UTC().Format(time.RFC3339Nano),
 		UptimeSeconds: int64(s.uptime().Seconds()),
@@ -69,5 +66,21 @@ func (s *Healthcheck) Healthcheck() *HealthcheckResponse {
 		Version:       s.params.Globals.Version,
 		Maintenance:   s.params.Config.MaintenanceMode,
 	}
+
 	return resp
 }
+
+// Response contains the JSON-serialised health status.
+type Response struct {
+	Status        string `json:"status"`
+	Now           string `json:"now"`
+	UptimeSeconds int64  `json:"uptimeSeconds"`
+	UptimeHuman   string `json:"uptimeHuman"`
+	Version       string `json:"version"`
+	Appname       string `json:"appname"`
+	Maintenance   bool   `json:"maintenanceMode"`
+}
+
+func (s *Healthcheck) uptime() time.Duration {
+	return time.Since(s.StartupTime)
+}

internal/logger/logger.go

@@ -1,3 +1,5 @@
+// Package logger provides structured logging with dynamic level
+// control.
 package logger
 
 import (
@@ -6,44 +8,62 @@ import (
 	"os"
 	"time"
 
-	"git.eeqj.de/sneak/webhooker/internal/globals"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/globals"
 )
 
-// nolint:revive // LoggerParams is a standard fx naming convention
+//nolint:revive // LoggerParams is a standard fx naming convention.
 type LoggerParams struct {
 	fx.In
+
 	Globals *globals.Globals
 }
 
+// Logger wraps slog with dynamic level control and structured
+// output.
 type Logger struct {
 	logger   *slog.Logger
+	levelVar *slog.LevelVar
 	params   LoggerParams
 }
 
-// nolint:revive // lc parameter is required by fx even if unused
+// New creates a Logger that outputs text (TTY) or JSON (non-TTY)
+// to stdout.
+//
+//nolint:revive // lc parameter is required by fx even if unused.
 func New(lc fx.Lifecycle, params LoggerParams) (*Logger, error) {
 	l := new(Logger)
 	l.params = params
 
+	// Use slog.LevelVar for dynamic log level changes
+	l.levelVar = new(slog.LevelVar)
+	l.levelVar.Set(slog.LevelInfo)
+
 	// Determine if we're running in a terminal
 	tty := false
 	if fileInfo, _ := os.Stdout.Stat(); (fileInfo.Mode() & os.ModeCharDevice) != 0 {
 		tty = true
 	}
 
-	var handler slog.Handler
-	opts := &slog.HandlerOptions{
-		Level: slog.LevelInfo,
-		ReplaceAttr: func(_ []string, a slog.Attr) slog.Attr { // nolint:revive // groups unused
+	//nolint:revive // groups param unused but required by slog ReplaceAttr signature.
+	replaceAttr := func(_ []string, a slog.Attr) slog.Attr {
 		// Always use UTC for timestamps
 		if a.Key == slog.TimeKey {
 			if t, ok := a.Value.Any().(time.Time); ok {
 				return slog.Time(slog.TimeKey, t.UTC())
 			}
-			}
+
 			return a
-		},
+		}
+
+		return a
+	}
+
+	var handler slog.Handler
+
+	opts := &slog.HandlerOptions{
+		Level:       l.levelVar,
+		ReplaceAttr: replaceAttr,
 	}
 
 	if tty {
@@ -62,51 +82,27 @@ func New(lc fx.Lifecycle, params LoggerParams) (*Logger, error) {
 	return l, nil
 }
 
+// EnableDebugLogging switches the log level to debug.
 func (l *Logger) EnableDebugLogging() {
-	// Recreate logger with debug level
-	tty := false
-	if fileInfo, _ := os.Stdout.Stat(); (fileInfo.Mode() & os.ModeCharDevice) != 0 {
-		tty = true
-	}
-
-	var handler slog.Handler
-	opts := &slog.HandlerOptions{
-		Level: slog.LevelDebug,
-		ReplaceAttr: func(_ []string, a slog.Attr) slog.Attr { // nolint:revive // groups unused
-			// Always use UTC for timestamps
-			if a.Key == slog.TimeKey {
-				if t, ok := a.Value.Any().(time.Time); ok {
-					return slog.Time(slog.TimeKey, t.UTC())
-				}
-			}
-			return a
-		},
-	}
-
-	if tty {
-		handler = slog.NewTextHandler(os.Stdout, opts)
-	} else {
-		handler = slog.NewJSONHandler(os.Stdout, opts)
-	}
-
-	l.logger = slog.New(handler)
-	slog.SetDefault(l.logger)
+	l.levelVar.Set(slog.LevelDebug)
 	l.logger.Debug("debug logging enabled", "debug", true)
 }
 
+// Get returns the underlying slog.Logger.
 func (l *Logger) Get() *slog.Logger {
 	return l.logger
 }
 
+// Identify logs the application name and version at startup.
 func (l *Logger) Identify() {
 	l.logger.Info("starting",
 		"appname", l.params.Globals.Appname,
 		"version", l.params.Globals.Version,
-		"buildarch", l.params.Globals.Buildarch,
 	)
 }
 
-// Helper methods to maintain compatibility with existing code
+// Writer returns an io.Writer suitable for standard library
+// loggers.
 func (l *Logger) Writer() io.Writer {
 	return os.Stdout
 }

internal/logger/logger_test.go

@@ -1,65 +1,59 @@
-package logger
+package logger_test
 
 import (
 	"testing"
 
-	"git.eeqj.de/sneak/webhooker/internal/globals"
 	"go.uber.org/fx/fxtest"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
+func testGlobals() *globals.Globals {
+	return &globals.Globals{
+		Appname: "test-app",
+		Version: "1.0.0",
+	}
+}
+
 func TestNew(t *testing.T) {
-	// Set up globals
-	globals.Appname = "test-app"
-	globals.Version = "1.0.0"
-	globals.Buildarch = "test-arch"
+	t.Parallel()
 
 	lc := fxtest.NewLifecycle(t)
-	g, err := globals.New(lc)
-	if err != nil {
-		t.Fatalf("globals.New() error = %v", err)
+
+	params := logger.LoggerParams{
+		Globals: testGlobals(),
 	}
 
-	params := LoggerParams{
-		Globals: g,
-	}
-
-	logger, err := New(lc, params)
+	l, err := logger.New(lc, params)
 	if err != nil {
 		t.Fatalf("New() error = %v", err)
 	}
 
-	if logger.Get() == nil {
+	if l.Get() == nil {
 		t.Error("Get() returned nil logger")
 	}
 
 	// Test that we can log without panic
-	logger.Get().Info("test message", "key", "value")
+	l.Get().Info("test message", "key", "value")
 }
 
 func TestEnableDebugLogging(t *testing.T) {
-	// Set up globals
-	globals.Appname = "test-app"
-	globals.Version = "1.0.0"
-	globals.Buildarch = "test-arch"
+	t.Parallel()
 
 	lc := fxtest.NewLifecycle(t)
-	g, err := globals.New(lc)
-	if err != nil {
-		t.Fatalf("globals.New() error = %v", err)
+
+	params := logger.LoggerParams{
+		Globals: testGlobals(),
 	}
 
-	params := LoggerParams{
-		Globals: g,
-	}
-
-	logger, err := New(lc, params)
+	l, err := logger.New(lc, params)
 	if err != nil {
 		t.Fatalf("New() error = %v", err)
 	}
 
 	// Enable debug logging should not panic
-	logger.EnableDebugLogging()
+	l.EnableDebugLogging()
 
 	// Test debug logging
-	logger.Get().Debug("debug message", "test", true)
+	l.Get().Debug("debug message", "test", true)
 }

internal/middleware/csrf.go

@@ -0,0 +1,84 @@
+package middleware
+
+import (
+	"net/http"
+
+	"github.com/gorilla/csrf"
+)
+
+// CSRFToken retrieves the CSRF token from the request context.
+// Returns an empty string if the gorilla/csrf middleware has not run.
+func CSRFToken(r *http.Request) string {
+	return csrf.Token(r)
+}
+
+// isClientTLS reports whether the client-facing connection uses TLS.
+// It checks for a direct TLS connection (r.TLS) or a TLS-terminating
+// reverse proxy that sets the standard X-Forwarded-Proto header.
+func isClientTLS(r *http.Request) bool {
+	return r.TLS != nil || r.Header.Get("X-Forwarded-Proto") == "https"
+}
+
+// CSRF returns middleware that provides CSRF protection using the
+// gorilla/csrf library. The middleware uses the session authentication
+// key to sign a CSRF cookie and validates a masked token submitted via
+// the "csrf_token" form field (or the "X-CSRF-Token" header) on
+// POST/PUT/PATCH/DELETE requests. Requests with an invalid or missing
+// token receive a 403 Forbidden response.
+//
+// The middleware detects the client-facing transport protocol per-request
+// using r.TLS and the X-Forwarded-Proto header. This allows correct
+// behavior in all deployment scenarios:
+//
+//   - Direct HTTPS: strict Referer/Origin checks, Secure cookies.
+//   - Behind a TLS-terminating reverse proxy: strict checks (the
+//     browser is on HTTPS, so Origin/Referer headers use https://),
+//     Secure cookies (the browser sees HTTPS from the proxy).
+//   - Direct HTTP: relaxed Referer/Origin checks via PlaintextHTTPRequest,
+//     non-Secure cookies so the browser sends them over HTTP.
+//
+// Two gorilla/csrf instances are maintained — one with Secure cookies
+// (for TLS) and one without (for plaintext HTTP) — because the
+// csrf.Secure option is set at creation time, not per-request.
+func (m *Middleware) CSRF() func(http.Handler) http.Handler {
+	csrfErrorHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		m.log.Warn("csrf: token validation failed",
+			"method", r.Method,
+			"path", r.URL.Path,
+			"remote_addr", r.RemoteAddr,
+			"reason", csrf.FailureReason(r),
+		)
+		http.Error(w, "Forbidden - invalid CSRF token", http.StatusForbidden)
+	})
+
+	key := m.session.GetKey()
+	baseOpts := []csrf.Option{
+		csrf.FieldName("csrf_token"),
+		csrf.SameSite(csrf.SameSiteLaxMode),
+		csrf.Path("/"),
+		csrf.ErrorHandler(csrfErrorHandler),
+	}
+
+	// Two middleware instances with different Secure flags but the
+	// same signing key, so cookies are interchangeable between them.
+	tlsProtect := csrf.Protect(key, append(baseOpts, csrf.Secure(true))...)
+	httpProtect := csrf.Protect(key, append(baseOpts, csrf.Secure(false))...)
+
+	return func(next http.Handler) http.Handler {
+		tlsCSRF := tlsProtect(next)
+		httpCSRF := httpProtect(next)
+
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			if isClientTLS(r) {
+				// Client is on TLS (directly or via reverse proxy).
+				// Use Secure cookies and strict Origin/Referer checks.
+				tlsCSRF.ServeHTTP(w, r)
+			} else {
+				// Plaintext HTTP: use non-Secure cookies and tell
+				// gorilla/csrf to use "http" for scheme comparisons,
+				// skipping the strict Referer check that assumes TLS.
+				httpCSRF.ServeHTTP(w, csrf.PlaintextHTTPRequest(r))
+			}
+		})
+	}
+}

internal/middleware/csrf_test.go

@@ -0,0 +1,494 @@
+package middleware_test
+
+import (
+	"context"
+	"crypto/tls"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/middleware"
+)
+
+// csrfCookieName is the gorilla/csrf cookie name.
+const csrfCookieName = "_gorilla_csrf"
+
+// csrfGetToken performs a GET request through the CSRF middleware
+// and returns the token and cookies.
+func csrfGetToken(
+	t *testing.T,
+	csrfMW func(http.Handler) http.Handler,
+	getReq *http.Request,
+) (string, []*http.Cookie) {
+	t.Helper()
+
+	var token string
+
+	getHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, r *http.Request) {
+			token = middleware.CSRFToken(r)
+		},
+	))
+
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+
+	cookies := getW.Result().Cookies()
+	require.NotEmpty(t, cookies, "CSRF cookie should be set")
+	require.NotEmpty(t, token, "CSRF token should be set")
+
+	return token, cookies
+}
+
+// csrfPostWithToken performs a POST request with the given CSRF
+// token and cookies through the middleware. Returns whether the
+// handler was called and the response code.
+func csrfPostWithToken(
+	t *testing.T,
+	csrfMW func(http.Handler) http.Handler,
+	postReq *http.Request,
+	token string,
+	cookies []*http.Cookie,
+) (bool, int) {
+	t.Helper()
+
+	var called bool
+
+	postHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	form := url.Values{"csrf_token": {token}}
+	postReq.Body = http.NoBody
+	postReq.Body = nil
+
+	// Rebuild the request with the form body
+	rebuilt := httptest.NewRequestWithContext(
+		context.Background(),
+		postReq.Method, postReq.URL.String(),
+		strings.NewReader(form.Encode()),
+	)
+	rebuilt.Header = postReq.Header.Clone()
+	rebuilt.TLS = postReq.TLS
+	rebuilt.Header.Set(
+		"Content-Type", "application/x-www-form-urlencoded",
+	)
+
+	for _, c := range cookies {
+		rebuilt.AddCookie(c)
+	}
+
+	postW := httptest.NewRecorder()
+	postHandler.ServeHTTP(postW, rebuilt)
+
+	return called, postW.Code
+}
+
+func TestCSRF_GETSetsToken(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var gotToken string
+
+	handler := m.CSRF()(http.HandlerFunc(
+		func(_ http.ResponseWriter, r *http.Request) {
+			gotToken = middleware.CSRFToken(r)
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/form", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.NotEmpty(
+		t, gotToken,
+		"CSRF token should be set in context on GET",
+	)
+}
+
+func TestCSRF_POSTWithValidToken(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+	csrfMW := m.CSRF()
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/form", nil,
+	)
+	token, cookies := csrfGetToken(t, csrfMW, getReq)
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/form", nil,
+	)
+	called, _ := csrfPostWithToken(
+		t, csrfMW, postReq, token, cookies,
+	)
+
+	assert.True(
+		t, called,
+		"handler should be called with valid CSRF token",
+	)
+}
+
+// csrfPOSTWithoutTokenTest is a shared helper for testing POST
+// requests without a CSRF token in both dev and prod modes.
+func csrfPOSTWithoutTokenTest(
+	t *testing.T,
+	env string,
+	msg string,
+) {
+	t.Helper()
+
+	m, _ := testMiddleware(t, env)
+	csrfMW := m.CSRF()
+
+	// GET to establish the CSRF cookie
+	getHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {},
+	))
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/form", nil)
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+
+	cookies := getW.Result().Cookies()
+
+	// POST without CSRF token
+	var called bool
+
+	postHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/form", nil,
+	)
+	postReq.Header.Set(
+		"Content-Type", "application/x-www-form-urlencoded",
+	)
+
+	for _, c := range cookies {
+		postReq.AddCookie(c)
+	}
+
+	postW := httptest.NewRecorder()
+
+	postHandler.ServeHTTP(postW, postReq)
+
+	assert.False(t, called, msg)
+	assert.Equal(t, http.StatusForbidden, postW.Code)
+}
+
+func TestCSRF_POSTWithoutToken(t *testing.T) {
+	t.Parallel()
+
+	csrfPOSTWithoutTokenTest(
+		t,
+		config.EnvironmentDev,
+		"handler should NOT be called without CSRF token",
+	)
+}
+
+func TestCSRF_POSTWithInvalidToken(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+	csrfMW := m.CSRF()
+
+	// GET to establish the CSRF cookie
+	getHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {},
+	))
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/form", nil)
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+
+	cookies := getW.Result().Cookies()
+
+	// POST with wrong CSRF token
+	var called bool
+
+	postHandler := csrfMW(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	form := url.Values{"csrf_token": {"invalid-token-value"}}
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/form",
+		strings.NewReader(form.Encode()),
+	)
+	postReq.Header.Set(
+		"Content-Type", "application/x-www-form-urlencoded",
+	)
+
+	for _, c := range cookies {
+		postReq.AddCookie(c)
+	}
+
+	postW := httptest.NewRecorder()
+
+	postHandler.ServeHTTP(postW, postReq)
+
+	assert.False(
+		t, called,
+		"handler should NOT be called with invalid CSRF token",
+	)
+	assert.Equal(t, http.StatusForbidden, postW.Code)
+}
+
+func TestCSRF_GETDoesNotValidate(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var called bool
+
+	handler := m.CSRF()(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/form", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(
+		t, called,
+		"GET requests should pass through CSRF middleware",
+	)
+}
+
+func TestCSRFToken_NoMiddleware(t *testing.T) {
+	t.Parallel()
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	assert.Empty(
+		t, middleware.CSRFToken(req),
+		"CSRFToken should return empty string when "+
+			"middleware has not run",
+	)
+}
+
+// --- TLS Detection Tests ---
+
+func TestIsClientTLS_DirectTLS(t *testing.T) {
+	t.Parallel()
+
+	r := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	r.TLS = &tls.ConnectionState{}
+
+	assert.True(
+		t, middleware.IsClientTLS(r),
+		"should detect direct TLS connection",
+	)
+}
+
+func TestIsClientTLS_XForwardedProto(t *testing.T) {
+	t.Parallel()
+
+	r := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	r.Header.Set("X-Forwarded-Proto", "https")
+
+	assert.True(
+		t, middleware.IsClientTLS(r),
+		"should detect TLS via X-Forwarded-Proto",
+	)
+}
+
+func TestIsClientTLS_PlaintextHTTP(t *testing.T) {
+	t.Parallel()
+
+	r := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	assert.False(
+		t, middleware.IsClientTLS(r),
+		"should detect plaintext HTTP",
+	)
+}
+
+func TestIsClientTLS_XForwardedProtoHTTP(t *testing.T) {
+	t.Parallel()
+
+	r := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	r.Header.Set("X-Forwarded-Proto", "http")
+
+	assert.False(
+		t, middleware.IsClientTLS(r),
+		"should detect plaintext when X-Forwarded-Proto is http",
+	)
+}
+
+// --- Production Mode: POST over plaintext HTTP ---
+
+func TestCSRF_ProdMode_PlaintextHTTP_POSTWithValidToken(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentProd)
+	csrfMW := m.CSRF()
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/form", nil,
+	)
+	token, cookies := csrfGetToken(t, csrfMW, getReq)
+
+	// Verify cookie is NOT Secure (plaintext HTTP in prod)
+	for _, c := range cookies {
+		if c.Name == csrfCookieName {
+			assert.False(t, c.Secure,
+				"CSRF cookie should not be Secure "+
+					"over plaintext HTTP")
+		}
+	}
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/form", nil,
+	)
+	called, code := csrfPostWithToken(
+		t, csrfMW, postReq, token, cookies,
+	)
+
+	assert.True(t, called,
+		"handler should be called -- prod mode over "+
+			"plaintext HTTP must work")
+	assert.NotEqual(t, http.StatusForbidden, code,
+		"should not return 403")
+}
+
+// --- Production Mode: POST with X-Forwarded-Proto ---
+
+func TestCSRF_ProdMode_BehindProxy_POSTWithValidToken(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentProd)
+	csrfMW := m.CSRF()
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "http://example.com/form", nil,
+	)
+	getReq.Header.Set("X-Forwarded-Proto", "https")
+
+	token, cookies := csrfGetToken(t, csrfMW, getReq)
+
+	// Verify cookie IS Secure (X-Forwarded-Proto: https)
+	for _, c := range cookies {
+		if c.Name == csrfCookieName {
+			assert.True(t, c.Secure,
+				"CSRF cookie should be Secure behind "+
+					"TLS proxy")
+		}
+	}
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "http://example.com/form", nil,
+	)
+	postReq.Header.Set("X-Forwarded-Proto", "https")
+	postReq.Header.Set("Origin", "https://example.com")
+
+	called, code := csrfPostWithToken(
+		t, csrfMW, postReq, token, cookies,
+	)
+
+	assert.True(t, called,
+		"handler should be called -- prod mode behind "+
+			"TLS proxy must work")
+	assert.NotEqual(t, http.StatusForbidden, code,
+		"should not return 403")
+}
+
+// --- Production Mode: direct TLS ---
+
+func TestCSRF_ProdMode_DirectTLS_POSTWithValidToken(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentProd)
+	csrfMW := m.CSRF()
+
+	getReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "https://example.com/form", nil,
+	)
+	getReq.TLS = &tls.ConnectionState{}
+
+	token, cookies := csrfGetToken(t, csrfMW, getReq)
+
+	// Verify cookie IS Secure (direct TLS)
+	for _, c := range cookies {
+		if c.Name == csrfCookieName {
+			assert.True(t, c.Secure,
+				"CSRF cookie should be Secure over "+
+					"direct TLS")
+		}
+	}
+
+	postReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "https://example.com/form", nil,
+	)
+	postReq.TLS = &tls.ConnectionState{}
+	postReq.Header.Set("Origin", "https://example.com")
+
+	called, code := csrfPostWithToken(
+		t, csrfMW, postReq, token, cookies,
+	)
+
+	assert.True(t, called,
+		"handler should be called -- direct TLS must work")
+	assert.NotEqual(t, http.StatusForbidden, code,
+		"should not return 403")
+}
+
+// --- Production Mode: POST without token still rejects ---
+
+func TestCSRF_ProdMode_PlaintextHTTP_POSTWithoutToken(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	csrfPOSTWithoutTokenTest(
+		t,
+		config.EnvironmentProd,
+		"handler should NOT be called without CSRF token "+
+			"even in prod+plaintext",
+	)
+}

internal/middleware/export_test.go

@@ -0,0 +1,34 @@
+package middleware
+
+import (
+	"net/http"
+)
+
+// NewLoggingResponseWriterForTest wraps newLoggingResponseWriter
+// for use in external test packages.
+func NewLoggingResponseWriterForTest(
+	w http.ResponseWriter,
+) *loggingResponseWriter {
+	return newLoggingResponseWriter(w)
+}
+
+// LoggingResponseWriterStatusCode returns the status code
+// captured by the loggingResponseWriter.
+func LoggingResponseWriterStatusCode(
+	lrw *loggingResponseWriter,
+) int {
+	return lrw.statusCode
+}
+
+// IPFromHostPort exposes ipFromHostPort for testing.
+func IPFromHostPort(hp string) string {
+	return ipFromHostPort(hp)
+}
+
+// IsClientTLS exposes isClientTLS for testing.
+func IsClientTLS(r *http.Request) bool {
+	return isClientTLS(r)
+}
+
+// LoginRateLimitConst exposes the loginRateLimit constant.
+const LoginRateLimitConst = loginRateLimit

internal/middleware/middleware.go

@@ -1,3 +1,5 @@
+// Package middleware provides HTTP middleware for logging, auth,
+// CORS, and metrics.
 package middleware
 
 import (
@@ -6,9 +8,6 @@ import (
 	"net/http"
 	"time"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
 	basicauth "github.com/99designs/basicauth-go"
 	"github.com/go-chi/chi/middleware"
 	"github.com/go-chi/cors"
@@ -16,25 +15,48 @@ import (
 	ghmm "github.com/slok/go-http-metrics/middleware"
 	"github.com/slok/go-http-metrics/middleware/std"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
+	"sneak.berlin/go/webhooker/internal/session"
 )
 
-// nolint:revive // MiddlewareParams is a standard fx naming convention
+const (
+	// corsMaxAge is the maximum time (in seconds) that a
+	// preflight response can be cached.
+	corsMaxAge = 300
+)
+
+//nolint:revive // MiddlewareParams is a standard fx naming convention.
 type MiddlewareParams struct {
 	fx.In
+
 	Logger  *logger.Logger
 	Globals *globals.Globals
 	Config  *config.Config
+	Session *session.Session
 }
 
+// Middleware provides HTTP middleware for logging, CORS, auth, and
+// metrics.
 type Middleware struct {
 	log     *slog.Logger
 	params  *MiddlewareParams
+	session *session.Session
 }
 
-func New(lc fx.Lifecycle, params MiddlewareParams) (*Middleware, error) {
+// New creates a Middleware from the provided fx parameters.
+//
+//nolint:revive // lc parameter is required by fx even if unused.
+func New(
+	lc fx.Lifecycle,
+	params MiddlewareParams,
+) (*Middleware, error) {
 	s := new(Middleware)
 	s.params = &params
 	s.log = params.Logger.Get()
+	s.session = params.Session
+
 	return s, nil
 }
 
@@ -46,19 +68,24 @@ func ipFromHostPort(hp string) string {
 	if err != nil {
 		return ""
 	}
+
 	if len(h) > 0 && h[0] == '[' {
 		return h[1 : len(h)-1]
 	}
+
 	return h
 }
 
 type loggingResponseWriter struct {
 	http.ResponseWriter
+
 	statusCode int
 }
 
-// nolint:revive // unexported type is only used internally
-func NewLoggingResponseWriter(w http.ResponseWriter) *loggingResponseWriter {
+// newLoggingResponseWriter wraps w and records status codes.
+func newLoggingResponseWriter(
+	w http.ResponseWriter,
+) *loggingResponseWriter {
 	return &loggingResponseWriter{w, http.StatusOK}
 }
 
@@ -67,23 +94,30 @@ func (lrw *loggingResponseWriter) WriteHeader(code int) {
 	lrw.ResponseWriter.WriteHeader(code)
 }
 
-// type Middleware func(http.Handler) http.Handler
-// this returns a Middleware that is designed to do every request through the
-// mux, note the signature:
+// Logging returns middleware that logs each HTTP request with
+// timing and metadata.
 func (s *Middleware) Logging() func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
-		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		return http.HandlerFunc(func(
+			w http.ResponseWriter,
+			r *http.Request,
+		) {
 			start := time.Now()
-			lrw := NewLoggingResponseWriter(w)
+			lrw := newLoggingResponseWriter(w)
 			ctx := r.Context()
+
 			defer func() {
 				latency := time.Since(start)
 				requestID := ""
-				if reqID := ctx.Value(middleware.RequestIDKey); reqID != nil {
+
+				if reqID := ctx.Value(
+					middleware.RequestIDKey,
+				); reqID != nil {
 					if id, ok := reqID.(string); ok {
 						requestID = id
 					}
 				}
+
 				s.log.Info("http request",
 					"request_start", start,
 					"method", r.Method,
@@ -103,40 +137,86 @@ func (s *Middleware) Logging() func(http.Handler) http.Handler {
 	}
 }
 
+// CORS returns middleware that sets CORS headers (permissive in
+// dev, no-op in prod).
 func (s *Middleware) CORS() func(http.Handler) http.Handler {
+	if s.params.Config.IsDev() {
+		// In development, allow any origin for local testing.
 		return cors.Handler(cors.Options{
-		// CHANGEME! these are defaults, change them to suit your needs or
-		// read from environment/viper.
-		// AllowedOrigins: []string{"https://foo.com"}, // Use this to allow specific origin hosts
 			AllowedOrigins: []string{"*"},
-		// AllowOriginFunc:  func(r *http.Request, origin string) bool { return true },
-		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
-		AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
+			AllowedMethods: []string{
+				"GET", "POST", "PUT", "DELETE", "OPTIONS",
+			},
+			AllowedHeaders: []string{
+				"Accept", "Authorization",
+				"Content-Type", "X-CSRF-Token",
+			},
 			ExposedHeaders:   []string{"Link"},
 			AllowCredentials: false,
-		MaxAge:           300, // Maximum value not ignored by any of major browsers
+			MaxAge:           corsMaxAge,
 		})
+	}
+
+	// In production, the web UI is server-rendered so
+	// cross-origin requests are not expected. Return a no-op
+	// middleware.
+	return func(next http.Handler) http.Handler {
+		return next
+	}
 }
 
-func (s *Middleware) Auth() func(http.Handler) http.Handler {
+// RequireAuth returns middleware that checks for a valid session.
+// Unauthenticated users are redirected to the login page.
+func (s *Middleware) RequireAuth() func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
-		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			// TODO: implement proper authentication
-			s.log.Debug("AUTH: before request")
+		return http.HandlerFunc(func(
+			w http.ResponseWriter,
+			r *http.Request,
+		) {
+			sess, err := s.session.Get(r)
+			if err != nil {
+				s.log.Debug(
+					"auth middleware: failed to get session",
+					"error", err,
+				)
+				http.Redirect(
+					w, r, "/pages/login", http.StatusSeeOther,
+				)
+
+				return
+			}
+
+			if !s.session.IsAuthenticated(sess) {
+				s.log.Debug(
+					"auth middleware: unauthenticated request",
+					"path", r.URL.Path,
+					"method", r.Method,
+				)
+				http.Redirect(
+					w, r, "/pages/login", http.StatusSeeOther,
+				)
+
+				return
+			}
+
 			next.ServeHTTP(w, r)
 		})
 	}
 }
 
+// Metrics returns middleware that records Prometheus HTTP metrics.
 func (s *Middleware) Metrics() func(http.Handler) http.Handler {
 	mdlw := ghmm.New(ghmm.Config{
 		Recorder: metrics.NewRecorder(metrics.Config{}),
 	})
+
 	return func(next http.Handler) http.Handler {
 		return std.Handler("", mdlw, next)
 	}
 }
 
+// MetricsAuth returns middleware that protects metrics endpoints
+// with basic auth.
 func (s *Middleware) MetricsAuth() func(http.Handler) http.Handler {
 	return basicauth.New(
 		"metrics",
@@ -147,3 +227,65 @@ func (s *Middleware) MetricsAuth() func(http.Handler) http.Handler {
 		},
 	)
 }
+
+// SecurityHeaders returns middleware that sets production security
+// headers on every response: HSTS, X-Content-Type-Options,
+// X-Frame-Options, CSP, Referrer-Policy, and Permissions-Policy.
+func (s *Middleware) SecurityHeaders() func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(
+			w http.ResponseWriter,
+			r *http.Request,
+		) {
+			w.Header().Set(
+				"Strict-Transport-Security",
+				"max-age=63072000; includeSubDomains; preload",
+			)
+			w.Header().Set(
+				"X-Content-Type-Options", "nosniff",
+			)
+			w.Header().Set("X-Frame-Options", "DENY")
+			w.Header().Set(
+				"Content-Security-Policy",
+				"default-src 'self'; "+
+					"script-src 'self' 'unsafe-inline'; "+
+					"style-src 'self' 'unsafe-inline'",
+			)
+			w.Header().Set(
+				"Referrer-Policy",
+				"strict-origin-when-cross-origin",
+			)
+			w.Header().Set(
+				"Permissions-Policy",
+				"camera=(), microphone=(), geolocation=()",
+			)
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}
+
+// MaxBodySize returns middleware that limits the request body size
+// for POST requests. If the body exceeds the given limit in
+// bytes, the server returns 413 Request Entity Too Large. This
+// prevents clients from sending arbitrarily large form bodies.
+func (s *Middleware) MaxBodySize(
+	maxBytes int64,
+) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(
+			w http.ResponseWriter,
+			r *http.Request,
+		) {
+			if r.Method == http.MethodPost ||
+				r.Method == http.MethodPut ||
+				r.Method == http.MethodPatch {
+				r.Body = http.MaxBytesReader(
+					w, r.Body, maxBytes,
+				)
+			}
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}

internal/middleware/middleware_test.go

@@ -0,0 +1,588 @@
+package middleware_test
+
+import (
+	"context"
+	"encoding/base64"
+	"log/slog"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/gorilla/sessions"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/middleware"
+	"sneak.berlin/go/webhooker/internal/session"
+)
+
+const testKeySize = 32
+
+// testMiddleware creates a Middleware with minimal dependencies
+// for testing. It uses a real session.Session backed by an
+// in-memory cookie store.
+func testMiddleware(
+	t *testing.T,
+	env string,
+) (*middleware.Middleware, *session.Session) {
+	t.Helper()
+
+	log := slog.New(slog.NewTextHandler(
+		os.Stderr,
+		&slog.HandlerOptions{Level: slog.LevelDebug},
+	))
+
+	cfg := &config.Config{
+		Environment: env,
+	}
+
+	// Create a real session manager with a known key
+	key := make([]byte, testKeySize)
+
+	for i := range key {
+		key[i] = byte(i)
+	}
+
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{
+		Path:     "/",
+		MaxAge:   86400 * 7,
+		HttpOnly: true,
+		Secure:   false,
+		SameSite: http.SameSiteLaxMode,
+	}
+
+	sessManager := session.NewForTest(store, cfg, log, key)
+
+	m := middleware.NewForTest(log, cfg, sessManager)
+
+	return m, sessManager
+}
+
+// --- Logging Middleware Tests ---
+
+func TestLogging_SetsStatusCode(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	handler := m.Logging()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			w.WriteHeader(http.StatusCreated)
+
+			_, err := w.Write([]byte("created"))
+			if err != nil {
+				return
+			}
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/test", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.Equal(t, http.StatusCreated, w.Code)
+	assert.Equal(t, "created", w.Body.String())
+}
+
+func TestLogging_DefaultStatusOK(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	handler := m.Logging()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			_, err := w.Write([]byte("ok"))
+			if err != nil {
+				return
+			}
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	// When no explicit WriteHeader is called, default is 200
+	assert.Equal(t, http.StatusOK, w.Code)
+}
+
+func TestLogging_PassesThroughToNext(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var called bool
+
+	handler := m.Logging()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			called = true
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/api/webhook", nil,
+	)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(
+		t, called,
+		"logging middleware should call the next handler",
+	)
+}
+
+// --- LoggingResponseWriter Tests ---
+
+func TestLoggingResponseWriter_CapturesStatusCode(t *testing.T) {
+	t.Parallel()
+
+	w := httptest.NewRecorder()
+	lrw := middleware.NewLoggingResponseWriterForTest(w)
+
+	// Default should be 200
+	assert.Equal(
+		t, http.StatusOK,
+		middleware.LoggingResponseWriterStatusCode(lrw),
+	)
+
+	// WriteHeader should capture the status code
+	lrw.WriteHeader(http.StatusNotFound)
+
+	assert.Equal(
+		t, http.StatusNotFound,
+		middleware.LoggingResponseWriterStatusCode(lrw),
+	)
+
+	// Underlying writer should also get the status code
+	assert.Equal(t, http.StatusNotFound, w.Code)
+}
+
+func TestLoggingResponseWriter_WriteDelegatesToUnderlying(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	w := httptest.NewRecorder()
+	lrw := middleware.NewLoggingResponseWriterForTest(w)
+
+	n, err := lrw.Write([]byte("hello world"))
+	require.NoError(t, err)
+	assert.Equal(t, 11, n)
+	assert.Equal(t, "hello world", w.Body.String())
+}
+
+// --- CORS Middleware Tests ---
+
+func TestCORS_DevMode_AllowsAnyOrigin(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	handler := m.CORS()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	// Preflight request
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodOptions, "/api/test", nil,
+	)
+	req.Header.Set("Origin", "http://localhost:3000")
+	req.Header.Set("Access-Control-Request-Method", "POST")
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	// In dev mode, CORS should allow any origin
+	assert.Equal(
+		t, "*",
+		w.Header().Get("Access-Control-Allow-Origin"),
+	)
+}
+
+func TestCORS_ProdMode_NoOp(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentProd)
+
+	var called bool
+
+	handler := m.CORS()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			called = true
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/api/test", nil,
+	)
+	req.Header.Set("Origin", "http://evil.com")
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(
+		t, called,
+		"prod CORS middleware should pass through to handler",
+	)
+	// In prod, no CORS headers should be set (no-op middleware)
+	assert.Empty(
+		t,
+		w.Header().Get("Access-Control-Allow-Origin"),
+		"prod mode should not set CORS headers",
+	)
+}
+
+// --- RequireAuth Middleware Tests ---
+
+func TestRequireAuth_NoSession_RedirectsToLogin(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var called bool
+
+	handler := m.RequireAuth()(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/dashboard", nil,
+	)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.False(
+		t, called,
+		"handler should not be called for "+
+			"unauthenticated request",
+	)
+	assert.Equal(t, http.StatusSeeOther, w.Code)
+	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
+}
+
+func TestRequireAuth_AuthenticatedSession_PassesThrough(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	m, sessManager := testMiddleware(t, config.EnvironmentDev)
+
+	var called bool
+
+	handler := m.RequireAuth()(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	// Create an authenticated session by making a request,
+	// setting session data, and saving the session cookie
+	setupReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/setup", nil,
+	)
+	setupW := httptest.NewRecorder()
+
+	sess, err := sessManager.Get(setupReq)
+	require.NoError(t, err)
+	sessManager.SetUser(sess, "user-123", "testuser")
+	require.NoError(t, sessManager.Save(setupReq, setupW, sess))
+
+	// Extract the cookie from the setup response
+	cookies := setupW.Result().Cookies()
+	require.NotEmpty(t, cookies, "session cookie should be set")
+
+	// Make the actual request with the session cookie
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/dashboard", nil,
+	)
+
+	for _, c := range cookies {
+		req.AddCookie(c)
+	}
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(
+		t, called,
+		"handler should be called for authenticated request",
+	)
+}
+
+func TestRequireAuth_UnauthenticatedSession_RedirectsToLogin(
+	t *testing.T,
+) {
+	t.Parallel()
+
+	m, sessManager := testMiddleware(t, config.EnvironmentDev)
+
+	var called bool
+
+	handler := m.RequireAuth()(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	// Create a session but don't authenticate it
+	setupReq := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/setup", nil,
+	)
+	setupW := httptest.NewRecorder()
+
+	sess, err := sessManager.Get(setupReq)
+	require.NoError(t, err)
+	// Don't call SetUser -- session exists but is not
+	// authenticated
+	require.NoError(t, sessManager.Save(setupReq, setupW, sess))
+
+	cookies := setupW.Result().Cookies()
+	require.NotEmpty(t, cookies)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/dashboard", nil,
+	)
+
+	for _, c := range cookies {
+		req.AddCookie(c)
+	}
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.False(
+		t, called,
+		"handler should not be called for "+
+			"unauthenticated session",
+	)
+	assert.Equal(t, http.StatusSeeOther, w.Code)
+	assert.Equal(t, "/pages/login", w.Header().Get("Location"))
+}
+
+// --- Helper Tests ---
+
+func TestIpFromHostPort(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{"ipv4 with port", "192.168.1.1:8080", "192.168.1.1"},
+		{"ipv6 with port", "[::1]:8080", "::1"},
+		{"invalid format", "not-a-host-port", ""},
+		{"empty string", "", ""},
+		{"localhost", "127.0.0.1:80", "127.0.0.1"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			result := middleware.IPFromHostPort(tt.input)
+
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+// --- MetricsAuth Tests ---
+
+// metricsAuthMiddleware creates a Middleware configured for
+// metrics auth testing. This helper de-duplicates the setup in
+// metrics auth test functions.
+func metricsAuthMiddleware(
+	t *testing.T,
+) *middleware.Middleware {
+	t.Helper()
+
+	log := slog.New(slog.NewTextHandler(
+		os.Stderr,
+		&slog.HandlerOptions{Level: slog.LevelDebug},
+	))
+
+	cfg := &config.Config{
+		Environment:     config.EnvironmentDev,
+		MetricsUsername: "admin",
+		MetricsPassword: "secret",
+	}
+
+	key := make([]byte, testKeySize)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{Path: "/", MaxAge: 86400}
+
+	sessManager := session.NewForTest(store, cfg, log, key)
+
+	return middleware.NewForTest(log, cfg, sessManager)
+}
+
+func TestMetricsAuth_ValidCredentials(t *testing.T) {
+	t.Parallel()
+
+	m := metricsAuthMiddleware(t)
+
+	var called bool
+
+	handler := m.MetricsAuth()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			called = true
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/metrics", nil,
+	)
+	req.SetBasicAuth("admin", "secret")
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(
+		t, called,
+		"handler should be called with valid basic auth",
+	)
+	assert.Equal(t, http.StatusOK, w.Code)
+}
+
+func TestMetricsAuth_InvalidCredentials(t *testing.T) {
+	t.Parallel()
+
+	m := metricsAuthMiddleware(t)
+
+	var called bool
+
+	handler := m.MetricsAuth()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			called = true
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/metrics", nil,
+	)
+	req.SetBasicAuth("admin", "wrong-password")
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.False(
+		t, called,
+		"handler should not be called with invalid basic auth",
+	)
+	assert.Equal(t, http.StatusUnauthorized, w.Code)
+}
+
+func TestMetricsAuth_NoCredentials(t *testing.T) {
+	t.Parallel()
+
+	m := metricsAuthMiddleware(t)
+
+	var called bool
+
+	handler := m.MetricsAuth()(http.HandlerFunc(
+		func(_ http.ResponseWriter, _ *http.Request) {
+			called = true
+		},
+	))
+
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/metrics", nil,
+	)
+	// No basic auth header
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.False(
+		t, called,
+		"handler should not be called without credentials",
+	)
+	assert.Equal(t, http.StatusUnauthorized, w.Code)
+}
+
+// --- CORS Dev Mode Detailed Tests ---
+
+func TestCORS_DevMode_AllowsMethods(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	handler := m.CORS()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	// Preflight for POST
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodOptions, "/api/webhooks", nil,
+	)
+	req.Header.Set("Origin", "http://localhost:5173")
+	req.Header.Set("Access-Control-Request-Method", "POST")
+
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	allowMethods := w.Header().Get("Access-Control-Allow-Methods")
+	assert.Contains(t, allowMethods, "POST")
+}
+
+// --- Base64 key validation for completeness ---
+
+func TestSessionKeyFormat(t *testing.T) {
+	t.Parallel()
+
+	// Verify that the session initialization correctly validates
+	// key format. A proper 32-byte key encoded as base64 should
+	// work.
+	key := make([]byte, testKeySize)
+
+	for i := range key {
+		key[i] = byte(i + 1)
+	}
+
+	encoded := base64.StdEncoding.EncodeToString(key)
+	decoded, err := base64.StdEncoding.DecodeString(encoded)
+	require.NoError(t, err)
+	assert.Len(t, decoded, testKeySize)
+}

internal/middleware/ratelimit.go

@@ -0,0 +1,64 @@
+package middleware
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/go-chi/httprate"
+)
+
+const (
+	// loginRateLimit is the maximum number of login attempts
+	// per interval.
+	loginRateLimit = 5
+
+	// loginRateInterval is the time window for the rate limit.
+	loginRateInterval = 1 * time.Minute
+)
+
+// LoginRateLimit returns middleware that enforces per-IP rate
+// limiting on login attempts using go-chi/httprate. Only POST
+// requests are rate-limited; GET requests (rendering the login
+// form) pass through unaffected. When the rate limit is exceeded,
+// a 429 Too Many Requests response is returned. IP extraction
+// honours X-Forwarded-For, X-Real-IP, and True-Client-IP headers
+// for reverse-proxy setups.
+func (m *Middleware) LoginRateLimit() func(http.Handler) http.Handler {
+	limiter := httprate.Limit(
+		loginRateLimit,
+		loginRateInterval,
+		httprate.WithKeyFuncs(httprate.KeyByRealIP),
+		httprate.WithLimitHandler(http.HandlerFunc(
+			func(w http.ResponseWriter, r *http.Request) {
+				m.log.Warn("login rate limit exceeded",
+					"path", r.URL.Path,
+				)
+				http.Error(
+					w,
+					"Too many login attempts. "+
+						"Please try again later.",
+					http.StatusTooManyRequests,
+				)
+			},
+		)),
+	)
+
+	return func(next http.Handler) http.Handler {
+		limited := limiter(next)
+
+		return http.HandlerFunc(func(
+			w http.ResponseWriter,
+			r *http.Request,
+		) {
+			// Only rate-limit POST requests (actual login
+			// attempts)
+			if r.Method != http.MethodPost {
+				next.ServeHTTP(w, r)
+
+				return
+			}
+
+			limited.ServeHTTP(w, r)
+		})
+	}
+}

internal/middleware/ratelimit_test.go

@@ -0,0 +1,147 @@
+package middleware_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/middleware"
+)
+
+func TestLoginRateLimit_AllowsGET(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var callCount int
+
+	handler := m.LoginRateLimit()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			callCount++
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	// GET requests should never be rate-limited
+	for i := range 20 {
+		req := httptest.NewRequestWithContext(
+			context.Background(),
+			http.MethodGet, "/pages/login", nil,
+		)
+		req.RemoteAddr = "192.168.1.1:12345"
+
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, req)
+
+		assert.Equal(
+			t, http.StatusOK, w.Code,
+			"GET request %d should pass", i,
+		)
+	}
+
+	assert.Equal(t, 20, callCount)
+}
+
+func TestLoginRateLimit_LimitsPOST(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	var callCount int
+
+	handler := m.LoginRateLimit()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			callCount++
+
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	// First loginRateLimit POST requests should succeed
+	for i := range middleware.LoginRateLimitConst {
+		req := httptest.NewRequestWithContext(
+			context.Background(),
+			http.MethodPost, "/pages/login", nil,
+		)
+		req.RemoteAddr = "10.0.0.1:12345"
+
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, req)
+
+		assert.Equal(
+			t, http.StatusOK, w.Code,
+			"POST request %d should pass", i,
+		)
+	}
+
+	// Next POST should be rate-limited
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/pages/login", nil,
+	)
+	req.RemoteAddr = "10.0.0.1:12345"
+
+	w := httptest.NewRecorder()
+	handler.ServeHTTP(w, req)
+
+	assert.Equal(
+		t, http.StatusTooManyRequests, w.Code,
+		"POST after limit should be 429",
+	)
+	assert.Equal(t, middleware.LoginRateLimitConst, callCount)
+}
+
+func TestLoginRateLimit_IndependentPerIP(t *testing.T) {
+	t.Parallel()
+
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	handler := m.LoginRateLimit()(http.HandlerFunc(
+		func(w http.ResponseWriter, _ *http.Request) {
+			w.WriteHeader(http.StatusOK)
+		},
+	))
+
+	// Exhaust limit for IP1
+	for range middleware.LoginRateLimitConst {
+		req := httptest.NewRequestWithContext(
+			context.Background(),
+			http.MethodPost, "/pages/login", nil,
+		)
+		req.RemoteAddr = "1.2.3.4:12345"
+
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, req)
+	}
+
+	// IP1 should be rate-limited
+	req := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/pages/login", nil,
+	)
+	req.RemoteAddr = "1.2.3.4:12345"
+
+	w := httptest.NewRecorder()
+	handler.ServeHTTP(w, req)
+
+	assert.Equal(t, http.StatusTooManyRequests, w.Code)
+
+	// IP2 should still be allowed
+	req2 := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodPost, "/pages/login", nil,
+	)
+	req2.RemoteAddr = "5.6.7.8:12345"
+
+	w2 := httptest.NewRecorder()
+	handler.ServeHTTP(w2, req2)
+
+	assert.Equal(
+		t, http.StatusOK, w2.Code,
+		"different IP should not be affected",
+	)
+}

internal/middleware/testing.go

@@ -0,0 +1,24 @@
+package middleware
+
+import (
+	"log/slog"
+
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/session"
+)
+
+// NewForTest creates a Middleware with the minimum dependencies
+// needed for testing. This bypasses the fx lifecycle.
+func NewForTest(
+	log *slog.Logger,
+	cfg *config.Config,
+	sess *session.Session,
+) *Middleware {
+	return &Middleware{
+		log: log,
+		params: &MiddlewareParams{
+			Config: cfg,
+		},
+		session: sess,
+	}
+}

internal/server/http.go

@@ -1,18 +1,33 @@
 package server
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"time"
 )
 
+const (
+	// httpReadTimeout is the maximum duration for reading the
+	// entire request, including the body.
+	httpReadTimeout = 10 * time.Second
+
+	// httpWriteTimeout is the maximum duration before timing out
+	// writes of the response.
+	httpWriteTimeout = 10 * time.Second
+
+	// httpMaxHeaderBytes is the maximum number of bytes the
+	// server will read parsing the request headers.
+	httpMaxHeaderBytes = 1 << 20
+)
+
 func (s *Server) serveUntilShutdown() {
 	listenAddr := fmt.Sprintf(":%d", s.params.Config.Port)
 	s.httpServer = &http.Server{
 		Addr:           listenAddr,
-		ReadTimeout:    10 * time.Second,
-		WriteTimeout:   10 * time.Second,
-		MaxHeaderBytes: 1 << 20,
+		ReadTimeout:    httpReadTimeout,
+		WriteTimeout:   httpWriteTimeout,
+		MaxHeaderBytes: httpMaxHeaderBytes,
 		Handler:        s,
 	}
 
@@ -21,14 +36,21 @@ func (s *Server) serveUntilShutdown() {
 	s.SetupRoutes()
 
 	s.log.Info("http begin listen", "listenaddr", listenAddr)
-	if err := s.httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+
+	err := s.httpServer.ListenAndServe()
+	if err != nil && !errors.Is(err, http.ErrServerClosed) {
 		s.log.Error("listen error", "error", err)
+
 		if s.cancelFunc != nil {
 			s.cancelFunc()
 		}
 	}
 }
 
-func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+// ServeHTTP delegates to the router.
+func (s *Server) ServeHTTP(
+	w http.ResponseWriter,
+	r *http.Request,
+) {
 	s.router.ServeHTTP(w, r)
 }

internal/server/routes.go

@@ -4,66 +4,68 @@ import (
 	"net/http"
 	"time"
 
-	"git.eeqj.de/sneak/webhooker/static"
 	sentryhttp "github.com/getsentry/sentry-go/http"
 	"github.com/go-chi/chi"
 	"github.com/go-chi/chi/middleware"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"sneak.berlin/go/webhooker/static"
 )
 
+// maxFormBodySize is the maximum allowed request body size (in
+// bytes) for form POST endpoints. 1 MB is generous for any form
+// submission while preventing abuse from oversized payloads.
+const maxFormBodySize int64 = 1 * 1024 * 1024 // 1 MB
+
+// requestTimeout is the maximum time allowed for a single HTTP
+// request.
+const requestTimeout = 60 * time.Second
+
+// SetupRoutes configures all HTTP routes and middleware on the
+// server's router.
 func (s *Server) SetupRoutes() {
 	s.router = chi.NewRouter()
+	s.setupGlobalMiddleware()
+	s.setupRoutes()
+}
 
-	// the mux .Use() takes a http.Handler wrapper func, like most
-	// things that deal with "middlewares" like alice et c, and will
-	// call ServeHTTP on it.  These middlewares applied by the mux (you
-	// can .Use() more than one) will be applied to every request into
-	// the service.
-
+func (s *Server) setupGlobalMiddleware() {
 	s.router.Use(middleware.Recoverer)
 	s.router.Use(middleware.RequestID)
+	s.router.Use(s.mw.SecurityHeaders())
 	s.router.Use(s.mw.Logging())
 
-	// add metrics middleware only if we can serve them behind auth
+	// Metrics middleware (only if credentials are configured)
 	if s.params.Config.MetricsUsername != "" {
 		s.router.Use(s.mw.Metrics())
 	}
 
-	// set up CORS headers
 	s.router.Use(s.mw.CORS())
+	s.router.Use(middleware.Timeout(requestTimeout))
 
-	// timeout for request context; your handlers must finish within
-	// this window:
-	s.router.Use(middleware.Timeout(60 * time.Second))
-
-	// this adds a sentry reporting middleware if and only if sentry is
-	// enabled via setting of SENTRY_DSN in env.
+	// Sentry error reporting (if SENTRY_DSN is set). Repanic is
+	// true so panics still bubble up to the Recoverer middleware.
 	if s.sentryEnabled {
-		// Options docs at
-		// https://docs.sentry.io/platforms/go/guides/http/
-		// we set sentry to repanic so that all panics bubble up to the
-		// Recoverer chi middleware above.
 		sentryHandler := sentryhttp.New(sentryhttp.Options{
 			Repanic: true,
 		})
 		s.router.Use(sentryHandler.Handle)
 	}
+}
 
-	////////////////////////////////////////////////////////////////////////
-	// ROUTES
-	// complete docs: https://github.com/go-chi/chi
-	////////////////////////////////////////////////////////////////////////
-
+func (s *Server) setupRoutes() {
 	s.router.Get("/", s.h.HandleIndex())
 
-	s.router.Mount("/s", http.StripPrefix("/s", http.FileServer(http.FS(static.Static))))
+	s.router.Mount(
+		"/s",
+		http.StripPrefix("/s", http.FileServer(http.FS(static.Static))),
+	)
 
 	s.router.Route("/api/v1", func(_ chi.Router) {
-		// TODO: Add API routes here
+		// API routes will be added here.
 	})
 
 	s.router.Get(
-		"/.well-known/healthcheck.json",
+		"/.well-known/healthcheck",
 		s.h.HandleHealthCheck(),
 	)
 
@@ -71,42 +73,89 @@ func (s *Server) SetupRoutes() {
 	if s.params.Config.MetricsUsername != "" {
 		s.router.Group(func(r chi.Router) {
 			r.Use(s.mw.MetricsAuth())
-			r.Get("/metrics", http.HandlerFunc(promhttp.Handler().ServeHTTP))
+			r.Get(
+				"/metrics",
+				http.HandlerFunc(
+					promhttp.Handler().ServeHTTP,
+				),
+			)
 		})
 	}
 
-	// pages that are rendered server-side
+	s.setupPageRoutes()
+	s.setupUserRoutes()
+	s.setupSourceRoutes()
+	s.setupWebhookRoutes()
+}
+
+func (s *Server) setupPageRoutes() {
 	s.router.Route("/pages", func(r chi.Router) {
-		// Login page (no auth required)
+		r.Use(s.mw.CSRF())
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
+
+		r.Group(func(r chi.Router) {
+			r.Use(s.mw.LoginRateLimit())
 			r.Get("/login", s.h.HandleLoginPage())
 			r.Post("/login", s.h.HandleLoginSubmit())
+		})
 
-		// Logout (auth required)
 		r.Post("/logout", s.h.HandleLogout())
 	})
+}
 
-	// User profile routes
+func (s *Server) setupUserRoutes() {
 	s.router.Route("/user/{username}", func(r chi.Router) {
+		r.Use(s.mw.CSRF())
 		r.Get("/", s.h.HandleProfile())
 	})
+}
 
-	// Webhook source management routes (require authentication)
+func (s *Server) setupSourceRoutes() {
 	s.router.Route("/sources", func(r chi.Router) {
-		// TODO: Add authentication middleware here
-		r.Get("/", s.h.HandleSourceList())             // List all sources
-		r.Get("/new", s.h.HandleSourceCreate())        // Show create form
-		r.Post("/new", s.h.HandleSourceCreateSubmit()) // Handle create submission
+		r.Use(s.mw.CSRF())
+		r.Use(s.mw.RequireAuth())
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
+		r.Get("/", s.h.HandleSourceList())
+		r.Get("/new", s.h.HandleSourceCreate())
+		r.Post("/new", s.h.HandleSourceCreateSubmit())
 	})
 
 	s.router.Route("/source/{sourceID}", func(r chi.Router) {
-		// TODO: Add authentication middleware here
-		r.Get("/", s.h.HandleSourceDetail())          // View source details
-		r.Get("/edit", s.h.HandleSourceEdit())        // Show edit form
-		r.Post("/edit", s.h.HandleSourceEditSubmit()) // Handle edit submission
-		r.Post("/delete", s.h.HandleSourceDelete())   // Delete source
-		r.Get("/logs", s.h.HandleSourceLogs())        // View source logs
+		r.Use(s.mw.CSRF())
+		r.Use(s.mw.RequireAuth())
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
+		r.Get("/", s.h.HandleSourceDetail())
+		r.Get("/edit", s.h.HandleSourceEdit())
+		r.Post("/edit", s.h.HandleSourceEditSubmit())
+		r.Post("/delete", s.h.HandleSourceDelete())
+		r.Get("/logs", s.h.HandleSourceLogs())
+		r.Post(
+			"/entrypoints",
+			s.h.HandleEntrypointCreate(),
+		)
+		r.Post(
+			"/entrypoints/{entrypointID}/delete",
+			s.h.HandleEntrypointDelete(),
+		)
+		r.Post(
+			"/entrypoints/{entrypointID}/toggle",
+			s.h.HandleEntrypointToggle(),
+		)
+		r.Post("/targets", s.h.HandleTargetCreate())
+		r.Post(
+			"/targets/{targetID}/delete",
+			s.h.HandleTargetDelete(),
+		)
+		r.Post(
+			"/targets/{targetID}/toggle",
+			s.h.HandleTargetToggle(),
+		)
 	})
-
-	// Webhook endpoint - accepts all HTTP methods
-	s.router.HandleFunc("/webhook/{uuid}", s.h.HandleWebhook())
+}
+
+func (s *Server) setupWebhookRoutes() {
+	s.router.HandleFunc(
+		"/webhook/{uuid}",
+		s.h.HandleWebhook(),
+	)
 }

internal/server/server.go

@@ -1,3 +1,5 @@
+// Package server wires up HTTP routes and manages the
+// application lifecycle.
 package server
 
 import (
@@ -10,30 +12,31 @@ import (
 	"syscall"
 	"time"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/globals"
-	"git.eeqj.de/sneak/webhooker/internal/handlers"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
-	"git.eeqj.de/sneak/webhooker/internal/middleware"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/handlers"
+	"sneak.berlin/go/webhooker/internal/logger"
+	"sneak.berlin/go/webhooker/internal/middleware"
 
 	"github.com/getsentry/sentry-go"
 	"github.com/go-chi/chi"
-
-	// spooky action at a distance!
-	// this populates the environment
-	// from a ./.env file automatically
-	// for development configuration.
-	// .env contents should be things like
-	// `DBURL=postgres://user:pass@.../`
-	// (without the backticks, of course)
-	_ "github.com/joho/godotenv/autoload"
 )
 
-// ServerParams is a standard fx naming convention for dependency injection
-// nolint:golint
+const (
+	// shutdownTimeout is the maximum time to wait for the HTTP
+	// server to finish in-flight requests during shutdown.
+	shutdownTimeout = 5 * time.Second
+
+	// sentryFlushTimeout is the maximum time to wait for Sentry
+	// to flush pending events during shutdown.
+	sentryFlushTimeout = 2 * time.Second
+)
+
+//nolint:revive // ServerParams is a standard fx naming convention.
 type ServerParams struct {
 	fx.In
+
 	Logger     *logger.Logger
 	Globals    *globals.Globals
 	Config     *config.Config
@@ -41,12 +44,13 @@ type ServerParams struct {
 	Handlers   *handlers.Handlers
 }
 
+// Server is the main HTTP server that wires up routes and manages
+// graceful shutdown.
 type Server struct {
 	startupTime   time.Time
 	exitCode      int
 	sentryEnabled bool
 	log           *slog.Logger
-	ctx           context.Context
 	cancelFunc    context.CancelFunc
 	httpServer    *http.Server
 	router        *chi.Mux
@@ -55,6 +59,8 @@ type Server struct {
 	h             *handlers.Handlers
 }
 
+// New creates a Server that starts the HTTP listener on fx start
+// and stops it gracefully.
 func New(lc fx.Lifecycle, params ServerParams) (*Server, error) {
 	s := new(Server)
 	s.params = params
@@ -63,19 +69,23 @@ func New(lc fx.Lifecycle, params ServerParams) (*Server, error) {
 	s.log = params.Logger.Get()
 
 	lc.Append(fx.Hook{
-		OnStart: func(ctx context.Context) error {
+		OnStart: func(_ context.Context) error {
 			s.startupTime = time.Now()
 			go s.Run()
+
 			return nil
 		},
 		OnStop: func(ctx context.Context) error {
-			s.cleanShutdown()
+			s.cleanShutdown(ctx)
+
 			return nil
 		},
 	})
+
 	return s, nil
 }
 
+// Run configures Sentry and starts serving HTTP requests.
 func (s *Server) Run() {
 	s.configure()
 
@@ -85,6 +95,12 @@ func (s *Server) Run() {
 	s.serve()
 }
 
+// MaintenanceMode returns whether the server is in maintenance
+// mode.
+func (s *Server) MaintenanceMode() bool {
+	return s.params.Config.MaintenanceMode
+}
+
 func (s *Server) enableSentry() {
 	s.sentryEnabled = false
 
@@ -94,68 +110,78 @@ func (s *Server) enableSentry() {
 
 	err := sentry.Init(sentry.ClientOptions{
 		Dsn: s.params.Config.SentryDSN,
-		Release: fmt.Sprintf("%s-%s", s.params.Globals.Appname, s.params.Globals.Version),
+		Release: fmt.Sprintf(
+			"%s-%s",
+			s.params.Globals.Appname,
+			s.params.Globals.Version,
+		),
 	})
 	if err != nil {
 		s.log.Error("sentry init failure", "error", err)
 		// Don't use fatal since we still want the service to run
 		return
 	}
+
 	s.log.Info("sentry error reporting activated")
 	s.sentryEnabled = true
 }
 
 func (s *Server) serve() int {
-	s.ctx, s.cancelFunc = context.WithCancel(context.Background())
+	ctx, cancelFunc := context.WithCancel(context.Background())
+	s.cancelFunc = cancelFunc
 
 	// signal watcher
 	go func() {
 		c := make(chan os.Signal, 1)
+
 		signal.Ignore(syscall.SIGPIPE)
 		signal.Notify(c, os.Interrupt, syscall.SIGTERM)
 		// block and wait for signal
 		sig := <-c
 		s.log.Info("signal received", "signal", sig.String())
+
 		if s.cancelFunc != nil {
 			// cancelling the main context will trigger a clean
-			// shutdown.
+			// shutdown via the fx OnStop hook.
 			s.cancelFunc()
 		}
 	}()
 
 	go s.serveUntilShutdown()
 
-	<-s.ctx.Done()
-	s.cleanShutdown()
+	<-ctx.Done()
+	// Shutdown is handled by the fx OnStop hook (cleanShutdown).
+	// Do not call cleanShutdown() here to avoid double invocation.
 	return s.exitCode
 }
 
 func (s *Server) cleanupForExit() {
 	s.log.Info("cleaning up")
-	// TODO: close database connections, flush buffers, etc.
 }
 
-func (s *Server) cleanShutdown() {
+func (s *Server) cleanShutdown(ctx context.Context) {
 	// initiate clean shutdown
 	s.exitCode = 0
-	ctxShutdown, shutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)
+
+	ctxShutdown, shutdownCancel := context.WithTimeout(
+		ctx, shutdownTimeout,
+	)
 	defer shutdownCancel()
 
-	if err := s.httpServer.Shutdown(ctxShutdown); err != nil {
-		s.log.Error("server clean shutdown failed", "error", err)
+	err := s.httpServer.Shutdown(ctxShutdown)
+	if err != nil {
+		s.log.Error(
+			"server clean shutdown failed", "error", err,
+		)
 	}
 
 	s.cleanupForExit()
 
 	if s.sentryEnabled {
-		sentry.Flush(2 * time.Second)
+		sentry.Flush(sentryFlushTimeout)
 	}
 }
 
-func (s *Server) MaintenanceMode() bool {
-	return s.params.Config.MaintenanceMode
-}
-
 func (s *Server) configure() {
 	// identify ourselves in the logs
 	s.params.Logger.Identify()

internal/session/session.go

@@ -1,59 +1,107 @@
+// Package session manages HTTP session storage and authentication
+// state.
 package session
 
 import (
+	"context"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"log/slog"
+	"maps"
 	"net/http"
 
-	"git.eeqj.de/sneak/webhooker/internal/config"
-	"git.eeqj.de/sneak/webhooker/internal/logger"
 	"github.com/gorilla/sessions"
 	"go.uber.org/fx"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/logger"
 )
 
 const (
-	// SessionName is the name of the session cookie
+	// SessionName is the name of the session cookie.
 	SessionName = "webhooker_session"
 
-	// UserIDKey is the session key for user ID
+	// UserIDKey is the session key for user ID.
 	UserIDKey = "user_id"
 
-	// UsernameKey is the session key for username
+	// UsernameKey is the session key for username.
 	UsernameKey = "username"
 
-	// AuthenticatedKey is the session key for authentication status
+	// AuthenticatedKey is the session key for authentication
+	// status.
 	AuthenticatedKey = "authenticated"
+
+	// sessionKeyLength is the required length in bytes for the
+	// session authentication key.
+	sessionKeyLength = 32
+
+	// sessionMaxAgeDays is the session cookie lifetime in days.
+	sessionMaxAgeDays = 7
+
+	// secondsPerDay is the number of seconds in a day.
+	secondsPerDay = 86400
 )
 
-// nolint:revive // SessionParams is a standard fx naming convention
-type SessionParams struct {
+// ErrSessionKeyLength is returned when the decoded session key
+// does not have the expected length.
+var ErrSessionKeyLength = errors.New("session key length mismatch")
+
+// Params holds dependencies injected by fx.
+type Params struct {
 	fx.In
+
 	Config   *config.Config
+	Database *database.Database
 	Logger   *logger.Logger
 }
 
-// Session manages encrypted session storage
+// Session manages encrypted session storage.
 type Session struct {
 	store  *sessions.CookieStore
+	key    []byte // raw 32-byte auth key, also used for CSRF cookie signing
 	log    *slog.Logger
 	config *config.Config
 }
 
-// New creates a new session manager
-func New(lc fx.Lifecycle, params SessionParams) (*Session, error) {
-	if params.Config.SessionKey == "" {
-		return nil, fmt.Errorf("SESSION_KEY environment variable is required")
+// New creates a new session manager. The cookie store is
+// initialized during the fx OnStart phase after the database is
+// connected, using a session key that is auto-generated and stored
+// in the database.
+func New(
+	lc fx.Lifecycle,
+	params Params,
+) (*Session, error) {
+	s := &Session{
+		log:    params.Logger.Get(),
+		config: params.Config,
 	}
 
-	// Decode the base64 session key
-	keyBytes, err := base64.StdEncoding.DecodeString(params.Config.SessionKey)
+	lc.Append(fx.Hook{
+		OnStart: func(_ context.Context) error {
+			sessionKey, err := params.Database.GetOrCreateSessionKey()
 			if err != nil {
-		return nil, fmt.Errorf("invalid SESSION_KEY format: %w", err)
+				return fmt.Errorf(
+					"failed to get session key: %w", err,
+				)
 			}
 
-	if len(keyBytes) != 32 {
-		return nil, fmt.Errorf("SESSION_KEY must be 32 bytes (got %d)", len(keyBytes))
+			keyBytes, err := base64.StdEncoding.DecodeString(
+				sessionKey,
+			)
+			if err != nil {
+				return fmt.Errorf(
+					"invalid session key format: %w", err,
+				)
+			}
+
+			if len(keyBytes) != sessionKeyLength {
+				return fmt.Errorf(
+					"%w: want %d, got %d",
+					ErrSessionKeyLength,
+					sessionKeyLength,
+					len(keyBytes),
+				)
 			}
 
 			store := sessions.NewCookieStore(keyBytes)
@@ -61,65 +109,147 @@ func New(lc fx.Lifecycle, params SessionParams) (*Session, error) {
 			// Configure cookie options for security
 			store.Options = &sessions.Options{
 				Path:     "/",
-		MaxAge:   86400 * 7, // 7 days
+				MaxAge:   secondsPerDay * sessionMaxAgeDays,
 				HttpOnly: true,
-		Secure:   !params.Config.IsDev(), // HTTPS in production
+				Secure:   !params.Config.IsDev(),
 				SameSite: http.SameSiteLaxMode,
 			}
 
-	s := &Session{
-		store:  store,
-		log:    params.Logger.Get(),
-		config: params.Config,
-	}
+			s.key = keyBytes
+			s.store = store
+			s.log.Info("session manager initialized")
+
+			return nil
+		},
+	})
 
 	return s, nil
 }
 
-// Get retrieves a session for the request
-func (s *Session) Get(r *http.Request) (*sessions.Session, error) {
+// Get retrieves a session for the request.
+func (s *Session) Get(
+	r *http.Request,
+) (*sessions.Session, error) {
 	return s.store.Get(r, SessionName)
 }
 
-// Save saves the session
-func (s *Session) Save(r *http.Request, w http.ResponseWriter, sess *sessions.Session) error {
+// GetKey returns the raw 32-byte authentication key used for
+// session encryption. This key is also suitable for CSRF cookie
+// signing.
+func (s *Session) GetKey() []byte {
+	return s.key
+}
+
+// Save saves the session.
+func (s *Session) Save(
+	r *http.Request,
+	w http.ResponseWriter,
+	sess *sessions.Session,
+) error {
 	return sess.Save(r, w)
 }
 
-// SetUser sets the user information in the session
-func (s *Session) SetUser(sess *sessions.Session, userID, username string) {
+// SetUser sets the user information in the session.
+func (s *Session) SetUser(
+	sess *sessions.Session,
+	userID, username string,
+) {
 	sess.Values[UserIDKey] = userID
 	sess.Values[UsernameKey] = username
 	sess.Values[AuthenticatedKey] = true
 }
 
-// ClearUser removes user information from the session
+// ClearUser removes user information from the session.
 func (s *Session) ClearUser(sess *sessions.Session) {
 	delete(sess.Values, UserIDKey)
 	delete(sess.Values, UsernameKey)
 	delete(sess.Values, AuthenticatedKey)
 }
 
-// IsAuthenticated checks if the session has an authenticated user
+// IsAuthenticated checks if the session has an authenticated
+// user.
 func (s *Session) IsAuthenticated(sess *sessions.Session) bool {
 	auth, ok := sess.Values[AuthenticatedKey].(bool)
+
 	return ok && auth
 }
 
-// GetUserID retrieves the user ID from the session
-func (s *Session) GetUserID(sess *sessions.Session) (string, bool) {
+// GetUserID retrieves the user ID from the session.
+func (s *Session) GetUserID(
+	sess *sessions.Session,
+) (string, bool) {
 	userID, ok := sess.Values[UserIDKey].(string)
+
 	return userID, ok
 }
 
-// GetUsername retrieves the username from the session
-func (s *Session) GetUsername(sess *sessions.Session) (string, bool) {
+// GetUsername retrieves the username from the session.
+func (s *Session) GetUsername(
+	sess *sessions.Session,
+) (string, bool) {
 	username, ok := sess.Values[UsernameKey].(string)
+
 	return username, ok
 }
 
-// Destroy invalidates the session
+// Destroy invalidates the session.
 func (s *Session) Destroy(sess *sessions.Session) {
 	sess.Options.MaxAge = -1
 	s.ClearUser(sess)
 }
+
+// Regenerate creates a new session with the same values but a
+// fresh ID. The old session is destroyed (MaxAge = -1) and saved,
+// then a new session is created. This prevents session fixation
+// attacks by ensuring the session ID changes after privilege
+// escalation (e.g. login).
+func (s *Session) Regenerate(
+	r *http.Request,
+	w http.ResponseWriter,
+	oldSess *sessions.Session,
+) (*sessions.Session, error) {
+	// Copy the values from the old session
+	oldValues := make(map[any]any)
+	maps.Copy(oldValues, oldSess.Values)
+
+	// Destroy the old session
+	oldSess.Options.MaxAge = -1
+	s.ClearUser(oldSess)
+
+	err := oldSess.Save(r, w)
+	if err != nil {
+		return nil, fmt.Errorf(
+			"failed to destroy old session: %w", err,
+		)
+	}
+
+	// Create a new session (gorilla/sessions generates a new ID)
+	newSess, err := s.store.New(r, SessionName)
+	if err != nil {
+		// store.New may return an error alongside a new empty
+		// session if the old cookie is now invalid. That is
+		// expected after we destroyed it above. Only fail on a
+		// nil session.
+		if newSess == nil {
+			return nil, fmt.Errorf(
+				"failed to create new session: %w", err,
+			)
+		}
+	}
+
+	// Restore the copied values into the new session
+	maps.Copy(newSess.Values, oldValues)
+
+	// Apply the standard session options (the destroyed old
+	// session had MaxAge = -1, which store.New might inherit
+	// from the cookie).
+	newSess.Options = &sessions.Options{
+		Path:     "/",
+		MaxAge:   secondsPerDay * sessionMaxAgeDays,
+		HttpOnly: true,
+		Secure:   !s.config.IsDev(),
+		SameSite: http.SameSiteLaxMode,
+	}
+
+	return newSess, nil
+}

internal/session/session_test.go

@@ -0,0 +1,507 @@
+package session_test
+
+import (
+	"context"
+	"log/slog"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+
+	"github.com/gorilla/sessions"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/session"
+)
+
+const testKeySize = 32
+
+// testSession creates a Session with a real cookie store for
+// testing.
+func testSession(t *testing.T) *session.Session {
+	t.Helper()
+
+	key := make([]byte, testKeySize)
+
+	for i := range key {
+		key[i] = byte(i + 42)
+	}
+
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{
+		Path:     "/",
+		MaxAge:   86400 * 7,
+		HttpOnly: true,
+		Secure:   false,
+		SameSite: http.SameSiteLaxMode,
+	}
+
+	cfg := &config.Config{
+		Environment: config.EnvironmentDev,
+	}
+
+	log := slog.New(slog.NewTextHandler(
+		os.Stderr,
+		&slog.HandlerOptions{Level: slog.LevelDebug},
+	))
+
+	return session.NewForTest(store, cfg, log, key)
+}
+
+// --- Get and Save Tests ---
+
+func TestGet_NewSession(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+	require.NotNil(t, sess)
+	assert.True(
+		t, sess.IsNew,
+		"session should be new when no cookie is present",
+	)
+}
+
+func TestGet_ExistingSession(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	// Create and save a session
+	req1 := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w1 := httptest.NewRecorder()
+
+	sess1, err := s.Get(req1)
+	require.NoError(t, err)
+
+	sess1.Values["test_key"] = "test_value"
+	require.NoError(t, s.Save(req1, w1, sess1))
+
+	// Extract cookies
+	cookies := w1.Result().Cookies()
+	require.NotEmpty(t, cookies)
+
+	// Make a new request with the session cookie
+	req2 := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	for _, c := range cookies {
+		req2.AddCookie(c)
+	}
+
+	sess2, err := s.Get(req2)
+	require.NoError(t, err)
+	assert.False(
+		t, sess2.IsNew,
+		"session should not be new when cookie is present",
+	)
+	assert.Equal(t, "test_value", sess2.Values["test_key"])
+}
+
+func TestSave_SetsCookie(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w := httptest.NewRecorder()
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	sess.Values["key"] = "value"
+
+	err = s.Save(req, w, sess)
+	require.NoError(t, err)
+
+	cookies := w.Result().Cookies()
+	require.NotEmpty(t, cookies, "Save should set a cookie")
+
+	// Verify the cookie has the expected name
+	var found bool
+
+	for _, c := range cookies {
+		if c.Name == session.SessionName {
+			found = true
+
+			assert.True(
+				t, c.HttpOnly,
+				"session cookie should be HTTP-only",
+			)
+
+			break
+		}
+	}
+
+	assert.True(
+		t, found,
+		"should find a cookie named %s", session.SessionName,
+	)
+}
+
+// --- SetUser and User Retrieval Tests ---
+
+func TestSetUser_SetsAllFields(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-abc-123", "alice")
+
+	assert.Equal(
+		t, "user-abc-123", sess.Values[session.UserIDKey],
+	)
+	assert.Equal(
+		t, "alice", sess.Values[session.UsernameKey],
+	)
+	assert.Equal(
+		t, true, sess.Values[session.AuthenticatedKey],
+	)
+}
+
+func TestGetUserID(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	// Before setting user
+	userID, ok := s.GetUserID(sess)
+	assert.False(
+		t, ok, "should return false when no user ID is set",
+	)
+	assert.Empty(t, userID)
+
+	// After setting user
+	s.SetUser(sess, "user-xyz", "bob")
+
+	userID, ok = s.GetUserID(sess)
+	assert.True(t, ok)
+	assert.Equal(t, "user-xyz", userID)
+}
+
+func TestGetUsername(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	// Before setting user
+	username, ok := s.GetUsername(sess)
+	assert.False(
+		t, ok, "should return false when no username is set",
+	)
+	assert.Empty(t, username)
+
+	// After setting user
+	s.SetUser(sess, "user-xyz", "bob")
+
+	username, ok = s.GetUsername(sess)
+	assert.True(t, ok)
+	assert.Equal(t, "bob", username)
+}
+
+// --- IsAuthenticated Tests ---
+
+func TestIsAuthenticated_NoSession(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	assert.False(
+		t, s.IsAuthenticated(sess),
+		"new session should not be authenticated",
+	)
+}
+
+func TestIsAuthenticated_AfterSetUser(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-123", "alice")
+	assert.True(t, s.IsAuthenticated(sess))
+}
+
+func TestIsAuthenticated_AfterClearUser(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-123", "alice")
+	require.True(t, s.IsAuthenticated(sess))
+
+	s.ClearUser(sess)
+
+	assert.False(
+		t, s.IsAuthenticated(sess),
+		"should not be authenticated after ClearUser",
+	)
+}
+
+func TestIsAuthenticated_WrongType(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	// Set authenticated to a non-bool value
+	sess.Values[session.AuthenticatedKey] = "yes"
+
+	assert.False(
+		t, s.IsAuthenticated(sess),
+		"should return false for non-bool authenticated value",
+	)
+}
+
+// --- ClearUser Tests ---
+
+func TestClearUser_RemovesAllKeys(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-123", "alice")
+	s.ClearUser(sess)
+
+	_, hasUserID := sess.Values[session.UserIDKey]
+	assert.False(t, hasUserID, "UserIDKey should be removed")
+
+	_, hasUsername := sess.Values[session.UsernameKey]
+	assert.False(t, hasUsername, "UsernameKey should be removed")
+
+	_, hasAuth := sess.Values[session.AuthenticatedKey]
+	assert.False(
+		t, hasAuth, "AuthenticatedKey should be removed",
+	)
+}
+
+// --- Destroy Tests ---
+
+func TestDestroy_InvalidatesSession(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-123", "alice")
+
+	s.Destroy(sess)
+
+	// After Destroy: MaxAge should be -1 (delete cookie) and
+	// user data cleared
+	assert.Equal(
+		t, -1, sess.Options.MaxAge,
+		"Destroy should set MaxAge to -1",
+	)
+	assert.False(
+		t, s.IsAuthenticated(sess),
+		"should not be authenticated after Destroy",
+	)
+
+	_, hasUserID := sess.Values[session.UserIDKey]
+	assert.False(t, hasUserID, "Destroy should clear user ID")
+}
+
+// --- Session Persistence Round-Trip ---
+
+func TestSessionPersistence_RoundTrip(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	// Step 1: Create session, set user, save
+	req1 := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w1 := httptest.NewRecorder()
+
+	sess1, err := s.Get(req1)
+	require.NoError(t, err)
+	s.SetUser(sess1, "user-round-trip", "charlie")
+	require.NoError(t, s.Save(req1, w1, sess1))
+
+	cookies := w1.Result().Cookies()
+	require.NotEmpty(t, cookies)
+
+	// Step 2: New request with cookies -- session data should
+	// persist
+	req2 := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/profile", nil,
+	)
+
+	for _, c := range cookies {
+		req2.AddCookie(c)
+	}
+
+	sess2, err := s.Get(req2)
+	require.NoError(t, err)
+
+	assert.True(
+		t, s.IsAuthenticated(sess2),
+		"session should be authenticated after round-trip",
+	)
+
+	userID, ok := s.GetUserID(sess2)
+	assert.True(t, ok)
+	assert.Equal(t, "user-round-trip", userID)
+
+	username, ok := s.GetUsername(sess2)
+	assert.True(t, ok)
+	assert.Equal(t, "charlie", username)
+}
+
+// --- Constants Tests ---
+
+func TestSessionConstants(t *testing.T) {
+	t.Parallel()
+
+	assert.Equal(t, "webhooker_session", session.SessionName)
+	assert.Equal(t, "user_id", session.UserIDKey)
+	assert.Equal(t, "username", session.UsernameKey)
+	assert.Equal(t, "authenticated", session.AuthenticatedKey)
+}
+
+// --- Edge Cases ---
+
+func TestSetUser_OverwritesPreviousUser(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	req := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-1", "alice")
+	assert.True(t, s.IsAuthenticated(sess))
+
+	// Overwrite with a different user
+	s.SetUser(sess, "user-2", "bob")
+
+	userID, ok := s.GetUserID(sess)
+	assert.True(t, ok)
+	assert.Equal(t, "user-2", userID)
+
+	username, ok := s.GetUsername(sess)
+	assert.True(t, ok)
+	assert.Equal(t, "bob", username)
+}
+
+func TestDestroy_ThenSave_DeletesCookie(t *testing.T) {
+	t.Parallel()
+
+	s := testSession(t)
+
+	// Create a session
+	req1 := httptest.NewRequestWithContext(
+		context.Background(), http.MethodGet, "/", nil)
+	w1 := httptest.NewRecorder()
+
+	sess, err := s.Get(req1)
+	require.NoError(t, err)
+	s.SetUser(sess, "user-123", "alice")
+	require.NoError(t, s.Save(req1, w1, sess))
+
+	cookies := w1.Result().Cookies()
+	require.NotEmpty(t, cookies)
+
+	// Destroy and save
+	req2 := httptest.NewRequestWithContext(
+		context.Background(),
+		http.MethodGet, "/logout", nil,
+	)
+
+	for _, c := range cookies {
+		req2.AddCookie(c)
+	}
+
+	w2 := httptest.NewRecorder()
+
+	sess2, err := s.Get(req2)
+	require.NoError(t, err)
+	s.Destroy(sess2)
+	require.NoError(t, s.Save(req2, w2, sess2))
+
+	// The cookie should have MaxAge = -1 (browser should delete)
+	responseCookies := w2.Result().Cookies()
+
+	var sessionCookie *http.Cookie
+
+	for _, c := range responseCookies {
+		if c.Name == session.SessionName {
+			sessionCookie = c
+
+			break
+		}
+	}
+
+	require.NotNil(
+		t, sessionCookie,
+		"should have a session cookie in response",
+	)
+	assert.Negative(
+		t, sessionCookie.MaxAge,
+		"destroyed session cookie should have negative MaxAge",
+	)
+}

internal/session/testing.go

@@ -0,0 +1,22 @@
+package session
+
+import (
+	"log/slog"
+
+	"github.com/gorilla/sessions"
+	"sneak.berlin/go/webhooker/internal/config"
+)
+
+// NewForTest creates a Session with a pre-configured cookie store for use
+// in tests. This bypasses the fx lifecycle and database dependency, allowing
+// middleware and handler tests to use real session functionality. The key
+// parameter is the raw 32-byte authentication key used for session encryption
+// and CSRF cookie signing.
+func NewForTest(store *sessions.CookieStore, cfg *config.Config, log *slog.Logger, key []byte) *Session {
+	return &Session{
+		store:  store,
+		key:    key,
+		config: cfg,
+		log:    log,
+	}
+}

pkg/config/.gitignore

@@ -1 +0,0 @@
- 

pkg/config/README.md

@@ -1,303 +0,0 @@
-# Configuration Module (Go)
-
-A simple, clean, and generic configuration management system that supports multiple environments and automatic value resolution. This module is completely standalone and can be used in any Go project.
-
-## Features
-
-- **Simple API**: Just `config.Get()` and `config.GetSecret()`
-- **Type-safe helpers**: `config.GetString()`, `config.GetInt()`, `config.GetBool()`
-- **Environment Support**: Separate configs for different environments (dev/prod/staging/etc)
-- **Value Resolution**: Automatic resolution of special values:
-  - `$ENV:VARIABLE` - Read from environment variable
-  - `$GSM:secret-name` - Read from Google Secret Manager
-  - `$ASM:secret-name` - Read from AWS Secrets Manager
-  - `$FILE:/path/to/file` - Read from file contents
-- **Hierarchical Defaults**: Environment-specific values override defaults
-- **YAML-based**: Easy to read and edit configuration files
-- **Thread-safe**: Safe for concurrent use
-- **Testable**: Uses afero filesystem abstraction for easy testing
-- **Minimal Dependencies**: Only requires YAML parser and cloud SDKs (optional)
-
-## Installation
-
-```bash
-go get git.eeqj.de/sneak/webhooker/pkg/config
-```
-
-## Usage
-
-```go
-package main
-
-import (
-    "fmt"
-    "git.eeqj.de/sneak/webhooker/pkg/config"
-)
-
-func main() {
-    // Set the environment explicitly
-    config.SetEnvironment("prod")
-    
-    // Get configuration values
-    baseURL := config.GetString("baseURL")
-    apiTimeout := config.GetInt("timeout", 30)
-    debugMode := config.GetBool("debugMode", false)
-    
-    // Get secret values
-    apiKey := config.GetSecretString("api_key")
-    dbPassword := config.GetSecretString("db_password", "default")
-    
-    // Get all values (for debugging)
-    allConfig := config.GetAllConfig()
-    allSecrets := config.GetAllSecrets()
-    
-    // Reload configuration from file
-    if err := config.Reload(); err != nil {
-        fmt.Printf("Failed to reload config: %v\n", err)
-    }
-}
-```
-
-## Configuration File Structure
-
-Create a `config.yaml` file in your project root:
-
-```yaml
-environments:
-  dev:
-    config:
-      baseURL: https://dev.example.com
-      debugMode: true
-      timeout: 30
-    secrets:
-      api_key: dev-key-12345
-      db_password: $ENV:DEV_DB_PASSWORD
-  
-  prod:
-    config:
-      baseURL: https://prod.example.com
-      debugMode: false
-      timeout: 10
-      GCPProject: my-project-123
-      AWSRegion: us-west-2
-    secrets:
-      api_key: $GSM:prod-api-key
-      db_password: $ASM:prod/db/password
-
-configDefaults:
-  app_name: my-app
-  timeout: 30
-  log_level: INFO
-  port: 8080
-```
-
-## How It Works
-
-1. **Environment Selection**: Call `config.SetEnvironment("prod")` to select which environment to use
-
-2. **Value Lookup**: When you call `config.Get("key")`:
-   - First checks `environments.<env>.config.key`
-   - Falls back to `configDefaults.key`
-   - Returns the default value if not found
-
-3. **Secret Lookup**: When you call `config.GetSecret("key")`:
-   - Looks in `environments.<env>.secrets.key`
-   - Returns the default value if not found
-
-4. **Value Resolution**: If a value starts with a special prefix:
-   - `$ENV:` - Reads from environment variable
-   - `$GSM:` - Fetches from Google Secret Manager (requires GCPProject to be set in config)
-   - `$ASM:` - Fetches from AWS Secrets Manager (uses AWSRegion from config or defaults to us-east-1)
-   - `$FILE:` - Reads from file (supports `~` expansion)
-
-## Type-Safe Access
-
-The module provides type-safe helper functions:
-
-```go
-// String values
-baseURL := config.GetString("baseURL", "http://localhost")
-
-// Integer values
-port := config.GetInt("port", 8080)
-
-// Boolean values
-debug := config.GetBool("debug", false)
-
-// Secret string values
-apiKey := config.GetSecretString("api_key", "default-key")
-```
-
-## Local Development
-
-For local development, you can:
-
-1. Use environment variables:
-   ```yaml
-   secrets:
-     api_key: $ENV:LOCAL_API_KEY
-   ```
-
-2. Use local files:
-   ```yaml
-   secrets:
-     api_key: $FILE:~/.secrets/api-key.txt
-   ```
-
-3. Create a `config.local.yaml` (gitignored) with literal values for testing
-
-## Cloud Provider Support
-
-### Google Secret Manager
-
-To use GSM resolution (`$GSM:` prefix):
-1. Set `GCPProject` in your config
-2. Ensure proper authentication (e.g., `GOOGLE_APPLICATION_CREDENTIALS` environment variable)
-3. The module will automatically initialize the GSM client when needed
-
-### AWS Secrets Manager
-
-To use ASM resolution (`$ASM:` prefix):
-1. Optionally set `AWSRegion` in your config (defaults to us-east-1)
-2. Ensure proper authentication (e.g., AWS credentials in environment or IAM role)
-3. The module will automatically initialize the ASM client when needed
-
-## Advanced Usage
-
-### Loading from a Specific File
-
-```go
-// Load configuration from a specific file
-if err := config.LoadFile("/path/to/config.yaml"); err != nil {
-    log.Fatal(err)
-}
-```
-
-### Checking Configuration Values
-
-```go
-// Get all configuration for current environment
-allConfig := config.GetAllConfig()
-for key, value := range allConfig {
-    fmt.Printf("%s: %v\n", key, value)
-}
-
-// Get all secrets (be careful with logging!)
-allSecrets := config.GetAllSecrets()
-```
-
-## Testing
-
-The module uses the [afero](https://github.com/spf13/afero) filesystem abstraction, making it easy to test without real files:
-
-```go
-package myapp_test
-
-import (
-    "testing"
-    "github.com/spf13/afero"
-    "git.eeqj.de/sneak/webhooker/pkg/config"
-)
-
-func TestMyApp(t *testing.T) {
-    // Create an in-memory filesystem for testing
-    fs := afero.NewMemMapFs()
-    
-    // Write a test config file
-    testConfig := `
-environments:
-  test:
-    config:
-      apiURL: http://test.example.com
-    secrets:
-      apiKey: test-key-123
-`
-    afero.WriteFile(fs, "config.yaml", []byte(testConfig), 0644)
-    
-    // Use the test filesystem
-    config.SetFs(fs)
-    config.SetEnvironment("test")
-    
-    // Now your tests use the in-memory config
-    if url := config.GetString("apiURL"); url != "http://test.example.com" {
-        t.Errorf("Expected test URL, got %s", url)
-    }
-}
-```
-
-### Unit Testing with Isolated Config
-
-For unit tests, you can create isolated configuration managers:
-
-```go
-func TestMyComponent(t *testing.T) {
-    // Create a test-specific manager
-    manager := config.NewManager()
-    
-    // Use in-memory filesystem
-    fs := afero.NewMemMapFs()
-    afero.WriteFile(fs, "config.yaml", []byte(testConfig), 0644)
-    manager.SetFs(fs)
-    
-    // Test with isolated configuration
-    manager.SetEnvironment("test")
-    value := manager.Get("someKey", "default")
-}
-```
-
-## Error Handling
-
-- If a config file is not found when using the default loader, an error is returned
-- If a key is not found, the default value is returned
-- If a special value cannot be resolved (e.g., env var not set, file not found), `nil` is returned
-- Cloud provider errors are logged but return `nil` to allow graceful degradation
-
-## Thread Safety
-
-All operations are thread-safe. The module uses read-write mutexes to ensure safe concurrent access to configuration data.
-
-## Example Integration
-
-```go
-package main
-
-import (
-    "log"
-    "os"
-    "git.eeqj.de/sneak/webhooker/pkg/config"
-)
-
-func main() {
-    // Read environment from your app-specific env var
-    environment := os.Getenv("APP_ENV")
-    if environment == "" {
-        environment = "dev"
-    }
-    
-    config.SetEnvironment(environment)
-    
-    // Now use configuration throughout your app
-    databaseURL := config.GetString("database_url")
-    apiKey := config.GetSecretString("api_key")
-    
-    log.Printf("Running in %s environment", environment)
-    log.Printf("Database URL: %s", databaseURL)
-}
-```
-
-## Migration from Python Version
-
-The Go version maintains API compatibility with the Python version where possible:
-
-| Python | Go |
-|--------|-----|
-| `config.get('key')` | `config.Get("key")` or `config.GetString("key")` |
-| `config.getSecret('key')` | `config.GetSecret("key")` or `config.GetSecretString("key")` |
-| `config.set_environment('prod')` | `config.SetEnvironment("prod")` |
-| `config.reload()` | `config.Reload()` |
-| `config.get_all_config()` | `config.GetAllConfig()` |
-| `config.get_all_secrets()` | `config.GetAllSecrets()` |
-
-## License
-
-This module is designed to be standalone and can be extracted into its own repository with your preferred license. 

pkg/config/config.go

@@ -1,180 +0,0 @@
-// Package config provides a simple, clean, and generic configuration management system
-// that supports multiple environments and automatic value resolution.
-//
-// Features:
-//   - Simple API: Just config.Get() and config.GetSecret()
-//   - Environment Support: Separate configs for different environments (dev/prod/staging/etc)
-//   - Value Resolution: Automatic resolution of special values:
-//   - $ENV:VARIABLE - Read from environment variable
-//   - $GSM:secret-name - Read from Google Secret Manager
-//   - $ASM:secret-name - Read from AWS Secrets Manager
-//   - $FILE:/path/to/file - Read from file contents
-//   - Hierarchical Defaults: Environment-specific values override defaults
-//   - YAML-based: Easy to read and edit configuration files
-//   - Zero Dependencies: Only depends on yaml and cloud provider SDKs (optional)
-//
-// Usage:
-//
-//	import "git.eeqj.de/sneak/webhooker/pkg/config"
-//
-//	// Set the environment explicitly
-//	config.SetEnvironment("prod")
-//
-//	// Get configuration values
-//	baseURL := config.Get("baseURL")
-//	apiTimeout := config.GetInt("timeout", 30)
-//
-//	// Get secret values
-//	apiKey := config.GetSecret("api_key")
-//	dbPassword := config.GetSecret("db_password", "default")
-package config
-
-import (
-	"sync"
-
-	"github.com/spf13/afero"
-)
-
-// Global configuration manager instance
-var (
-	globalManager *Manager
-	mu            sync.Mutex // Protect global manager updates
-)
-
-// getManager returns the global configuration manager, creating it if necessary
-func getManager() *Manager {
-	mu.Lock()
-	defer mu.Unlock()
-
-	if globalManager == nil {
-		globalManager = NewManager()
-	}
-	return globalManager
-}
-
-// SetEnvironment sets the active environment.
-func SetEnvironment(environment string) {
-	getManager().SetEnvironment(environment)
-}
-
-// SetFs sets the filesystem to use for all file operations.
-// This is primarily useful for testing with an in-memory filesystem.
-func SetFs(fs afero.Fs) {
-	mu.Lock()
-	defer mu.Unlock()
-
-	// Create a new manager with the specified filesystem
-	newManager := NewManager()
-	newManager.SetFs(fs)
-
-	// Replace the global manager
-	globalManager = newManager
-}
-
-// Get retrieves a configuration value.
-//
-// This looks for values in the following order:
-//  1. Environment-specific config (environments.<env>.config.<key>)
-//  2. Config defaults (configDefaults.<key>)
-//
-// Values are resolved if they contain special prefixes:
-//   - $ENV:VARIABLE_NAME - reads from environment variable
-//   - $GSM:secret-name - reads from Google Secret Manager
-//   - $ASM:secret-name - reads from AWS Secrets Manager
-//   - $FILE:/path/to/file - reads from file
-func Get(key string, defaultValue ...interface{}) interface{} {
-	var def interface{}
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	return getManager().Get(key, def)
-}
-
-// GetString retrieves a configuration value as a string.
-func GetString(key string, defaultValue ...string) string {
-	var def string
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	val := Get(key, def)
-	if s, ok := val.(string); ok {
-		return s
-	}
-	return def
-}
-
-// GetInt retrieves a configuration value as an integer.
-func GetInt(key string, defaultValue ...int) int {
-	var def int
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	val := Get(key, def)
-	switch v := val.(type) {
-	case int:
-		return v
-	case int64:
-		return int(v)
-	case float64:
-		return int(v)
-	default:
-		return def
-	}
-}
-
-// GetBool retrieves a configuration value as a boolean.
-func GetBool(key string, defaultValue ...bool) bool {
-	var def bool
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	val := Get(key, def)
-	if b, ok := val.(bool); ok {
-		return b
-	}
-	return def
-}
-
-// GetSecret retrieves a secret value.
-//
-// This looks for secrets defined in environments.<env>.secrets.<key>
-func GetSecret(key string, defaultValue ...interface{}) interface{} {
-	var def interface{}
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	return getManager().GetSecret(key, def)
-}
-
-// GetSecretString retrieves a secret value as a string.
-func GetSecretString(key string, defaultValue ...string) string {
-	var def string
-	if len(defaultValue) > 0 {
-		def = defaultValue[0]
-	}
-	val := GetSecret(key, def)
-	if s, ok := val.(string); ok {
-		return s
-	}
-	return def
-}
-
-// Reload reloads the configuration from file.
-func Reload() error {
-	return getManager().Reload()
-}
-
-// GetAllConfig returns all configuration values for the current environment.
-func GetAllConfig() map[string]interface{} {
-	return getManager().GetAllConfig()
-}
-
-// GetAllSecrets returns all secrets for the current environment.
-func GetAllSecrets() map[string]interface{} {
-	return getManager().GetAllSecrets()
-}
-
-// LoadFile loads configuration from a specific file.
-func LoadFile(configFile string) error {
-	return getManager().LoadFile(configFile)
-}

pkg/config/config_test.go

@@ -1,306 +0,0 @@
-package config
-
-import (
-	"os"
-	"testing"
-
-	"github.com/spf13/afero"
-)
-
-func TestNewManager(t *testing.T) {
-	manager := NewManager()
-	if manager == nil {
-		t.Fatal("NewManager returned nil")
-	}
-	if manager.config == nil {
-		t.Error("Manager config map is nil")
-	}
-	if manager.loader == nil {
-		t.Error("Manager loader is nil")
-	}
-	if manager.resolvedCache == nil {
-		t.Error("Manager resolvedCache is nil")
-	}
-	if manager.fs == nil {
-		t.Error("Manager fs is nil")
-	}
-}
-
-func TestLoader_FindConfigFile(t *testing.T) {
-	// Create an in-memory filesystem for testing
-	fs := afero.NewMemMapFs()
-	loader := NewLoader(fs)
-
-	// Create a config file in the filesystem
-	configContent := `
-environments:
-  test:
-    config:
-      testKey: testValue
-    secrets:
-      testSecret: secretValue
-configDefaults:
-  defaultKey: defaultValue
-`
-	// Create the file in the current directory
-	if err := afero.WriteFile(fs, "config.yaml", []byte(configContent), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-
-	// Test finding the config file
-	foundPath, err := loader.FindConfigFile("config.yaml")
-	if err != nil {
-		t.Errorf("FindConfigFile failed: %v", err)
-	}
-
-	// In memory fs, the path should be exactly what we created
-	if foundPath != "config.yaml" {
-		t.Errorf("Expected config.yaml, got %s", foundPath)
-	}
-}
-
-func TestLoader_LoadYAML(t *testing.T) {
-	fs := afero.NewMemMapFs()
-	loader := NewLoader(fs)
-
-	// Create a test config file
-	testConfig := `
-environments:
-  test:
-    config:
-      testKey: testValue
-configDefaults:
-  defaultKey: defaultValue
-`
-	if err := afero.WriteFile(fs, "test-config.yaml", []byte(testConfig), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-
-	// Load the YAML
-	config, err := loader.LoadYAML("test-config.yaml")
-	if err != nil {
-		t.Fatalf("LoadYAML failed: %v", err)
-	}
-
-	// Verify the structure
-	envs, ok := config["environments"].(map[string]interface{})
-	if !ok {
-		t.Fatal("environments not found or wrong type")
-	}
-
-	testEnv, ok := envs["test"].(map[string]interface{})
-	if !ok {
-		t.Fatal("test environment not found")
-	}
-
-	testConfig2, ok := testEnv["config"].(map[string]interface{})
-	if !ok {
-		t.Fatal("test config not found")
-	}
-
-	if testConfig2["testKey"] != "testValue" {
-		t.Errorf("Expected testKey=testValue, got %v", testConfig2["testKey"])
-	}
-}
-
-func TestResolver_ResolveEnv(t *testing.T) {
-	fs := afero.NewMemMapFs()
-	resolver := NewResolver("", "", fs)
-
-	// Set a test environment variable
-	os.Setenv("TEST_CONFIG_VAR", "test-value")
-	defer os.Unsetenv("TEST_CONFIG_VAR")
-
-	// Test resolving environment variable
-	result := resolver.Resolve("$ENV:TEST_CONFIG_VAR")
-	if result != "test-value" {
-		t.Errorf("Expected 'test-value', got %v", result)
-	}
-
-	// Test non-existent env var
-	result = resolver.Resolve("$ENV:NON_EXISTENT_VAR")
-	if result != nil {
-		t.Errorf("Expected nil for non-existent env var, got %v", result)
-	}
-}
-
-func TestResolver_ResolveFile(t *testing.T) {
-	fs := afero.NewMemMapFs()
-	resolver := NewResolver("", "", fs)
-
-	// Create a test file
-	secretContent := "my-secret-value"
-	if err := afero.WriteFile(fs, "/test-secret.txt", []byte(secretContent+"\n"), 0644); err != nil {
-		t.Fatalf("Failed to write test file: %v", err)
-	}
-
-	// Test resolving file
-	result := resolver.Resolve("$FILE:/test-secret.txt")
-	if result != secretContent {
-		t.Errorf("Expected '%s', got %v", secretContent, result)
-	}
-
-	// Test non-existent file
-	result = resolver.Resolve("$FILE:/non/existent/file")
-	if result != nil {
-		t.Errorf("Expected nil for non-existent file, got %v", result)
-	}
-}
-
-func TestManager_GetAndSet(t *testing.T) {
-	// Create an in-memory filesystem
-	fs := afero.NewMemMapFs()
-
-	// Create a test config file
-	testConfig := `
-environments:
-  dev:
-    config:
-      apiURL: http://dev.example.com
-      timeout: 30
-      debug: true
-    secrets:
-      apiKey: dev-key-123
-  prod:
-    config:
-      apiURL: https://prod.example.com
-      timeout: 10
-      debug: false
-    secrets:
-      apiKey: $ENV:PROD_API_KEY
-configDefaults:
-  appName: TestApp
-  timeout: 20
-  port: 8080
-`
-	if err := afero.WriteFile(fs, "config.yaml", []byte(testConfig), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-
-	// Create manager and set the filesystem
-	manager := NewManager()
-	manager.SetFs(fs)
-
-	// Load config should find the file automatically
-	manager.SetEnvironment("dev")
-
-	// Test getting config values
-	if v := manager.Get("apiURL", ""); v != "http://dev.example.com" {
-		t.Errorf("Expected dev apiURL, got %v", v)
-	}
-
-	if v := manager.Get("timeout", 0); v != 30 {
-		t.Errorf("Expected timeout=30, got %v", v)
-	}
-
-	if v := manager.Get("debug", false); v != true {
-		t.Errorf("Expected debug=true, got %v", v)
-	}
-
-	// Test default values
-	if v := manager.Get("appName", ""); v != "TestApp" {
-		t.Errorf("Expected appName from defaults, got %v", v)
-	}
-
-	// Test getting secrets
-	if v := manager.GetSecret("apiKey", ""); v != "dev-key-123" {
-		t.Errorf("Expected dev apiKey, got %v", v)
-	}
-
-	// Switch to prod environment
-	manager.SetEnvironment("prod")
-
-	if v := manager.Get("apiURL", ""); v != "https://prod.example.com" {
-		t.Errorf("Expected prod apiURL, got %v", v)
-	}
-
-	// Test environment variable resolution in secrets
-	os.Setenv("PROD_API_KEY", "prod-key-456")
-	defer os.Unsetenv("PROD_API_KEY")
-
-	if v := manager.GetSecret("apiKey", ""); v != "prod-key-456" {
-		t.Errorf("Expected resolved env var for apiKey, got %v", v)
-	}
-}
-
-func TestGlobalAPI(t *testing.T) {
-	// Create an in-memory filesystem
-	fs := afero.NewMemMapFs()
-
-	// Create a test config file
-	testConfig := `
-environments:
-  test:
-    config:
-      stringVal: hello
-      intVal: 42
-      boolVal: true
-    secrets:
-      secret1: test-secret
-configDefaults:
-  defaultString: world
-`
-	if err := afero.WriteFile(fs, "config.yaml", []byte(testConfig), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-
-	// Use the global API with the test filesystem
-	SetFs(fs)
-	SetEnvironment("test")
-
-	// Test type-safe getters
-	if v := GetString("stringVal"); v != "hello" {
-		t.Errorf("Expected 'hello', got %v", v)
-	}
-
-	if v := GetInt("intVal"); v != 42 {
-		t.Errorf("Expected 42, got %v", v)
-	}
-
-	if v := GetBool("boolVal"); v != true {
-		t.Errorf("Expected true, got %v", v)
-	}
-
-	if v := GetSecretString("secret1"); v != "test-secret" {
-		t.Errorf("Expected 'test-secret', got %v", v)
-	}
-
-	// Test defaults
-	if v := GetString("defaultString"); v != "world" {
-		t.Errorf("Expected 'world', got %v", v)
-	}
-}
-
-func TestManager_SetFs(t *testing.T) {
-	// Create manager with default OS filesystem
-	manager := NewManager()
-
-	// Create an in-memory filesystem
-	memFs := afero.NewMemMapFs()
-
-	// Write a config file to the memory fs
-	testConfig := `
-environments:
-  test:
-    config:
-      testKey: fromMemory
-configDefaults:
-  defaultKey: memoryDefault
-`
-	if err := afero.WriteFile(memFs, "config.yaml", []byte(testConfig), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-
-	// Set the filesystem
-	manager.SetFs(memFs)
-	manager.SetEnvironment("test")
-
-	// Test that it reads from the memory filesystem
-	if v := manager.Get("testKey", ""); v != "fromMemory" {
-		t.Errorf("Expected 'fromMemory', got %v", v)
-	}
-
-	if v := manager.Get("defaultKey", ""); v != "memoryDefault" {
-		t.Errorf("Expected 'memoryDefault', got %v", v)
-	}
-}

pkg/config/example_afero_test.go

@@ -1,146 +0,0 @@
-package config_test
-
-import (
-	"fmt"
-	"testing"
-
-	"git.eeqj.de/sneak/webhooker/pkg/config"
-	"github.com/spf13/afero"
-)
-
-// ExampleSetFs demonstrates how to use an in-memory filesystem for testing
-func ExampleSetFs() {
-	// Create an in-memory filesystem
-	fs := afero.NewMemMapFs()
-
-	// Create a test configuration file
-	configYAML := `
-environments:
-  test:
-    config:
-      baseURL: https://test.example.com
-      debugMode: true
-    secrets:
-      apiKey: test-key-12345
-  production:
-    config:
-      baseURL: https://api.example.com
-      debugMode: false
-configDefaults:
-  appName: Test Application
-  timeout: 30
-`
-
-	// Write the config to the in-memory filesystem
-	if err := afero.WriteFile(fs, "config.yaml", []byte(configYAML), 0644); err != nil {
-		panic(err)
-	}
-
-	// Use the in-memory filesystem
-	config.SetFs(fs)
-	config.SetEnvironment("test")
-
-	// Now all config operations use the in-memory filesystem
-	fmt.Printf("Base URL: %s\n", config.GetString("baseURL"))
-	fmt.Printf("Debug Mode: %v\n", config.GetBool("debugMode"))
-	fmt.Printf("App Name: %s\n", config.GetString("appName"))
-
-	// Output:
-	// Base URL: https://test.example.com
-	// Debug Mode: true
-	// App Name: Test Application
-}
-
-// TestWithAferoFilesystem shows how to test with different filesystem implementations
-func TestWithAferoFilesystem(t *testing.T) {
-	tests := []struct {
-		name        string
-		setupFs     func() afero.Fs
-		environment string
-		key         string
-		expected    string
-	}{
-		{
-			name: "in-memory filesystem",
-			setupFs: func() afero.Fs {
-				fs := afero.NewMemMapFs()
-				config := `
-environments:
-  dev:
-    config:
-      apiURL: http://localhost:8080
-`
-				afero.WriteFile(fs, "config.yaml", []byte(config), 0644)
-				return fs
-			},
-			environment: "dev",
-			key:         "apiURL",
-			expected:    "http://localhost:8080",
-		},
-		{
-			name: "readonly filesystem",
-			setupFs: func() afero.Fs {
-				memFs := afero.NewMemMapFs()
-				config := `
-environments:
-  staging:
-    config:
-      apiURL: https://staging.example.com
-`
-				afero.WriteFile(memFs, "config.yaml", []byte(config), 0644)
-				// Wrap in a read-only filesystem
-				return afero.NewReadOnlyFs(memFs)
-			},
-			environment: "staging",
-			key:         "apiURL",
-			expected:    "https://staging.example.com",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			// Create a new manager for each test to ensure isolation
-			manager := config.NewManager()
-			manager.SetFs(tt.setupFs())
-			manager.SetEnvironment(tt.environment)
-
-			result := manager.Get(tt.key, "")
-			if result != tt.expected {
-				t.Errorf("Expected %s, got %v", tt.expected, result)
-			}
-		})
-	}
-}
-
-// TestFileResolution shows how $FILE: resolution works with afero
-func TestFileResolution(t *testing.T) {
-	// Create an in-memory filesystem
-	fs := afero.NewMemMapFs()
-
-	// Create a secret file
-	secretContent := "super-secret-api-key"
-	if err := afero.WriteFile(fs, "/secrets/api-key.txt", []byte(secretContent), 0600); err != nil {
-		t.Fatal(err)
-	}
-
-	// Create a config that references the file
-	configYAML := `
-environments:
-  prod:
-    secrets:
-      apiKey: $FILE:/secrets/api-key.txt
-`
-	if err := afero.WriteFile(fs, "config.yaml", []byte(configYAML), 0644); err != nil {
-		t.Fatal(err)
-	}
-
-	// Use the filesystem
-	config.SetFs(fs)
-	config.SetEnvironment("prod")
-
-	// Get the secret - it should resolve from the file
-	apiKey := config.GetSecretString("apiKey")
-	if apiKey != secretContent {
-		t.Errorf("Expected %s, got %s", secretContent, apiKey)
-	}
-}

pkg/config/example_test.go

@@ -1,139 +0,0 @@
-package config_test
-
-import (
-	"fmt"
-	"log"
-	"os"
-
-	"git.eeqj.de/sneak/webhooker/pkg/config"
-)
-
-func Example() {
-	// Set the environment explicitly
-	config.SetEnvironment("dev")
-
-	// Get configuration values
-	baseURL := config.GetString("baseURL")
-	timeout := config.GetInt("timeout", 30)
-	debugMode := config.GetBool("debugMode", false)
-
-	fmt.Printf("Base URL: %s\n", baseURL)
-	fmt.Printf("Timeout: %d\n", timeout)
-	fmt.Printf("Debug Mode: %v\n", debugMode)
-
-	// Get secret values
-	apiKey := config.GetSecretString("api_key")
-	if apiKey != "" {
-		fmt.Printf("API Key: %s...\n", apiKey[:8])
-	}
-}
-
-func ExampleSetEnvironment() {
-	// Your application determines which environment to use
-	// This could come from command line args, env vars, etc.
-	environment := os.Getenv("APP_ENV")
-	if environment == "" {
-		environment = "development"
-	}
-
-	// Set the environment explicitly
-	config.SetEnvironment(environment)
-
-	// Now use configuration throughout your application
-	fmt.Printf("Environment: %s\n", environment)
-	fmt.Printf("App Name: %s\n", config.GetString("app_name"))
-}
-
-func ExampleGetString() {
-	config.SetEnvironment("prod")
-
-	// Get a string configuration value with a default
-	baseURL := config.GetString("baseURL", "http://localhost:8080")
-	fmt.Printf("Base URL: %s\n", baseURL)
-}
-
-func ExampleGetInt() {
-	config.SetEnvironment("prod")
-
-	// Get an integer configuration value with a default
-	port := config.GetInt("port", 8080)
-	fmt.Printf("Port: %d\n", port)
-}
-
-func ExampleGetBool() {
-	config.SetEnvironment("dev")
-
-	// Get a boolean configuration value with a default
-	debugMode := config.GetBool("debugMode", false)
-	fmt.Printf("Debug Mode: %v\n", debugMode)
-}
-
-func ExampleGetSecretString() {
-	config.SetEnvironment("prod")
-
-	// Get a secret string value
-	apiKey := config.GetSecretString("api_key")
-	if apiKey != "" {
-		// Be careful not to log the full secret!
-		fmt.Printf("API Key configured: yes\n")
-	}
-}
-
-func ExampleLoadFile() {
-	// Load configuration from a specific file
-	if err := config.LoadFile("/path/to/config.yaml"); err != nil {
-		log.Printf("Failed to load config: %v", err)
-		return
-	}
-
-	config.SetEnvironment("staging")
-	fmt.Printf("Loaded configuration from custom file\n")
-}
-
-func ExampleReload() {
-	config.SetEnvironment("dev")
-
-	// Get initial value
-	oldValue := config.GetString("some_key")
-
-	// ... config file might have been updated ...
-
-	// Reload configuration from file
-	if err := config.Reload(); err != nil {
-		log.Printf("Failed to reload config: %v", err)
-		return
-	}
-
-	// Get potentially updated value
-	newValue := config.GetString("some_key")
-	fmt.Printf("Value changed: %v\n", oldValue != newValue)
-}
-
-// Example config.yaml structure:
-/*
-environments:
-  development:
-    config:
-      baseURL: http://localhost:8000
-      debugMode: true
-      port: 8000
-    secrets:
-      api_key: dev-key-12345
-
-  production:
-    config:
-      baseURL: https://api.example.com
-      debugMode: false
-      port: 443
-      GCPProject: my-project-123
-      AWSRegion: us-west-2
-    secrets:
-      api_key: $GSM:prod-api-key
-      db_password: $ASM:prod/db/password
-
-configDefaults:
-  app_name: My Application
-  timeout: 30
-  log_level: INFO
-  port: 8080
-*/

pkg/config/go.mod

@@ -1,41 +0,0 @@
-module git.eeqj.de/sneak/webhooker/pkg/config
-
-go 1.23.0
-
-toolchain go1.24.1
-
-require (
-	github.com/aws/aws-sdk-go v1.50.0
-	github.com/spf13/afero v1.14.0
-	gopkg.in/yaml.v3 v3.0.1
-)
-
-require (
-	cloud.google.com/go/compute v1.23.1 // indirect
-	cloud.google.com/go/compute/metadata v0.2.3 // indirect
-	cloud.google.com/go/iam v1.1.3 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/s2a-go v0.1.7 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
-	github.com/googleapis/gax-go/v2 v2.12.0 // indirect
-	go.opencensus.io v0.24.0 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/oauth2 v0.13.0 // indirect
-	golang.org/x/sync v0.12.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
-	google.golang.org/api v0.149.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20231016165738-49dd2c1f3d0b // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20231016165738-49dd2c1f3d0b // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231016165738-49dd2c1f3d0b // indirect
-	google.golang.org/grpc v1.59.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
-)
-
-require (
-	cloud.google.com/go/secretmanager v1.11.4
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
-)

pkg/config/go.sum

@@ -1,161 +0,0 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.110.8 h1:tyNdfIxjzaWctIiLYOTalaLKZ17SI44SKFW26QbOhME=
-cloud.google.com/go v0.110.8/go.mod h1:Iz8AkXJf1qmxC3Oxoep8R1T36w8B92yU29PcBhHO5fk=
-cloud.google.com/go/compute v1.23.1 h1:V97tBoDaZHb6leicZ1G6DLK2BAaZLJ/7+9BB/En3hR0=
-cloud.google.com/go/compute v1.23.1/go.mod h1:CqB3xpmPKKt3OJpW2ndFIXnA9A4xAy/F3Xp1ixncW78=
-cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
-cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
-cloud.google.com/go/iam v1.1.3 h1:18tKG7DzydKWUnLjonWcJO6wjSCAtzh4GcRKlH/Hrzc=
-cloud.google.com/go/iam v1.1.3/go.mod h1:3khUlaBXfPKKe7huYgEpDn6FtgRyMEqbkvBxrQyY5SE=
-cloud.google.com/go/secretmanager v1.11.4 h1:krnX9qpG2kR2fJ+u+uNyNo+ACVhplIAS4Pu7u+4gd+k=
-cloud.google.com/go/secretmanager v1.11.4/go.mod h1:wreJlbS9Zdq21lMzWmJ0XhWW2ZxgPeahsqeV/vZoJ3w=
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-github.com/aws/aws-sdk-go v1.50.0/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
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-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
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-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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pkg/config/loader.go

@@ -1,104 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"path/filepath"
-
-	"github.com/spf13/afero"
-	"gopkg.in/yaml.v3"
-)
-
-// Loader handles loading configuration from YAML files.
-type Loader struct {
-	fs afero.Fs
-}
-
-// NewLoader creates a new configuration loader.
-func NewLoader(fs afero.Fs) *Loader {
-	return &Loader{
-		fs: fs,
-	}
-}
-
-// FindConfigFile searches for a configuration file by looking up the directory tree.
-func (l *Loader) FindConfigFile(filename string) (string, error) {
-	if filename == "" {
-		filename = "config.yaml"
-	}
-
-	// First check if the file exists in the current directory (simple case)
-	if _, err := l.fs.Stat(filename); err == nil {
-		return filename, nil
-	}
-
-	// For more complex cases, try to walk up the directory tree
-	// Start from current directory or root for in-memory filesystems
-	currentDir := "."
-
-	// Try to get the absolute path, but if it fails (e.g., in-memory fs),
-	// just use the current directory
-	if absPath, err := filepath.Abs("."); err == nil {
-		currentDir = absPath
-	}
-
-	// Search up the directory tree
-	for {
-		configPath := filepath.Join(currentDir, filename)
-		if _, err := l.fs.Stat(configPath); err == nil {
-			return configPath, nil
-		}
-
-		// Move up one directory
-		parentDir := filepath.Dir(currentDir)
-		if parentDir == currentDir || currentDir == "." || currentDir == "/" {
-			// Reached the root directory or can't go up further
-			break
-		}
-		currentDir = parentDir
-	}
-
-	return "", fmt.Errorf("configuration file %s not found in directory tree", filename)
-}
-
-// LoadYAML loads a YAML file and returns the parsed configuration.
-func (l *Loader) LoadYAML(filePath string) (map[string]interface{}, error) {
-	data, err := afero.ReadFile(l.fs, filePath)
-	if err != nil {
-		return nil, fmt.Errorf("failed to read file %s: %w", filePath, err)
-	}
-
-	var config map[string]interface{}
-	if err := yaml.Unmarshal(data, &config); err != nil {
-		return nil, fmt.Errorf("failed to parse YAML from %s: %w", filePath, err)
-	}
-
-	if config == nil {
-		config = make(map[string]interface{})
-	}
-
-	return config, nil
-}
-
-// MergeConfigs performs a deep merge of two configuration maps.
-// The override map values take precedence over the base map.
-func (l *Loader) MergeConfigs(base, override map[string]interface{}) map[string]interface{} {
-	if base == nil {
-		base = make(map[string]interface{})
-	}
-
-	for key, value := range override {
-		if baseValue, exists := base[key]; exists {
-			// If both values are maps, merge them recursively
-			if baseMap, baseOk := baseValue.(map[string]interface{}); baseOk {
-				if overrideMap, overrideOk := value.(map[string]interface{}); overrideOk {
-					base[key] = l.MergeConfigs(baseMap, overrideMap)
-					continue
-				}
-			}
-		}
-		// Otherwise, override the value
-		base[key] = value
-	}
-
-	return base
-}

pkg/config/manager.go

@@ -1,373 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"log"
-	"strings"
-	"sync"
-
-	"github.com/spf13/afero"
-)
-
-// Manager manages application configuration with value resolution.
-type Manager struct {
-	mu            sync.RWMutex
-	config        map[string]interface{}
-	environment   string
-	resolver      *Resolver
-	loader        *Loader
-	configFile    string
-	resolvedCache map[string]interface{}
-	fs            afero.Fs
-}
-
-// NewManager creates a new configuration manager.
-func NewManager() *Manager {
-	fs := afero.NewOsFs()
-	return &Manager{
-		config:        make(map[string]interface{}),
-		loader:        NewLoader(fs),
-		resolvedCache: make(map[string]interface{}),
-		fs:            fs,
-	}
-}
-
-// SetFs sets the filesystem to use for all file operations.
-// This is primarily useful for testing with an in-memory filesystem.
-func (m *Manager) SetFs(fs afero.Fs) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	m.fs = fs
-	m.loader = NewLoader(fs)
-
-	// If we have a resolver, recreate it with the new fs
-	if m.resolver != nil {
-		gcpProject := ""
-		awsRegion := "us-east-1"
-
-		// Try to get the current settings
-		if gcpProj := m.getConfigValue("GCPProject", ""); gcpProj != nil {
-			if str, ok := gcpProj.(string); ok {
-				gcpProject = str
-			}
-		}
-		if awsReg := m.getConfigValue("AWSRegion", "us-east-1"); awsReg != nil {
-			if str, ok := awsReg.(string); ok {
-				awsRegion = str
-			}
-		}
-
-		m.resolver = NewResolver(gcpProject, awsRegion, fs)
-	}
-
-	// Clear caches as filesystem changed
-	m.resolvedCache = make(map[string]interface{})
-}
-
-// LoadFile loads configuration from a specific file.
-func (m *Manager) LoadFile(configFile string) error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	config, err := m.loader.LoadYAML(configFile)
-	if err != nil {
-		return err
-	}
-
-	m.config = config
-	m.configFile = configFile
-	m.resolvedCache = make(map[string]interface{}) // Clear cache
-	return nil
-}
-
-// loadConfig loads the configuration from file.
-func (m *Manager) loadConfig() error {
-	if m.configFile == "" {
-		// Try to find config.yaml
-		configPath, err := m.loader.FindConfigFile("config.yaml")
-		if err != nil {
-			return err
-		}
-		m.configFile = configPath
-	}
-
-	config, err := m.loader.LoadYAML(m.configFile)
-	if err != nil {
-		return err
-	}
-
-	m.config = config
-	m.resolvedCache = make(map[string]interface{}) // Clear cache
-	return nil
-}
-
-// SetEnvironment sets the active environment.
-func (m *Manager) SetEnvironment(environment string) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	m.environment = strings.ToLower(environment)
-
-	// Create resolver with GCP project and AWS region if available
-	gcpProject := m.getConfigValue("GCPProject", "")
-	awsRegion := m.getConfigValue("AWSRegion", "us-east-1")
-
-	if gcpProjectStr, ok := gcpProject.(string); ok {
-		if awsRegionStr, ok := awsRegion.(string); ok {
-			m.resolver = NewResolver(gcpProjectStr, awsRegionStr, m.fs)
-		}
-	}
-
-	// Clear resolved cache when environment changes
-	m.resolvedCache = make(map[string]interface{})
-}
-
-// Get retrieves a configuration value.
-func (m *Manager) Get(key string, defaultValue interface{}) interface{} {
-	m.mu.RLock()
-
-	// Ensure config is loaded
-	if m.config == nil || len(m.config) == 0 {
-		// Need to upgrade to write lock to load config
-		m.mu.RUnlock()
-		m.mu.Lock()
-		// Double-check after acquiring write lock
-		if m.config == nil || len(m.config) == 0 {
-			if err := m.loadConfig(); err != nil {
-				log.Printf("Failed to load config: %v", err)
-				m.mu.Unlock()
-				return defaultValue
-			}
-		}
-		// Downgrade back to read lock
-		m.mu.Unlock()
-		m.mu.RLock()
-	}
-	defer m.mu.RUnlock()
-
-	// Check cache first
-	cacheKey := fmt.Sprintf("config.%s", key)
-	if cached, ok := m.resolvedCache[cacheKey]; ok {
-		return cached
-	}
-
-	// Try environment-specific config first
-	var rawValue interface{}
-	if m.environment != "" {
-		envMap, ok := m.config["environments"].(map[string]interface{})
-		if ok {
-			if env, ok := envMap[m.environment].(map[string]interface{}); ok {
-				if config, ok := env["config"].(map[string]interface{}); ok {
-					if val, exists := config[key]; exists {
-						rawValue = val
-					}
-				}
-			}
-		}
-	}
-
-	// Fall back to configDefaults
-	if rawValue == nil {
-		if defaults, ok := m.config["configDefaults"].(map[string]interface{}); ok {
-			if val, exists := defaults[key]; exists {
-				rawValue = val
-			}
-		}
-	}
-
-	if rawValue == nil {
-		return defaultValue
-	}
-
-	// Resolve the value if we have a resolver
-	var resolvedValue interface{}
-	if m.resolver != nil {
-		resolvedValue = m.resolver.Resolve(rawValue)
-	} else {
-		resolvedValue = rawValue
-	}
-
-	// Cache the resolved value
-	m.resolvedCache[cacheKey] = resolvedValue
-
-	return resolvedValue
-}
-
-// GetSecret retrieves a secret value for the current environment.
-func (m *Manager) GetSecret(key string, defaultValue interface{}) interface{} {
-	m.mu.RLock()
-
-	// Ensure config is loaded
-	if m.config == nil || len(m.config) == 0 {
-		// Need to upgrade to write lock to load config
-		m.mu.RUnlock()
-		m.mu.Lock()
-		// Double-check after acquiring write lock
-		if m.config == nil || len(m.config) == 0 {
-			if err := m.loadConfig(); err != nil {
-				log.Printf("Failed to load config: %v", err)
-				m.mu.Unlock()
-				return defaultValue
-			}
-		}
-		// Downgrade back to read lock
-		m.mu.Unlock()
-		m.mu.RLock()
-	}
-	defer m.mu.RUnlock()
-
-	if m.environment == "" {
-		log.Printf("No environment set when getting secret '%s'", key)
-		return defaultValue
-	}
-
-	// Get the current environment's config
-	envMap, ok := m.config["environments"].(map[string]interface{})
-	if !ok {
-		return defaultValue
-	}
-
-	env, ok := envMap[m.environment].(map[string]interface{})
-	if !ok {
-		return defaultValue
-	}
-
-	secrets, ok := env["secrets"].(map[string]interface{})
-	if !ok {
-		return defaultValue
-	}
-
-	secretValue, exists := secrets[key]
-	if !exists {
-		return defaultValue
-	}
-
-	// Resolve the value
-	if m.resolver != nil {
-		resolved := m.resolver.Resolve(secretValue)
-		if resolved == nil {
-			return defaultValue
-		}
-		return resolved
-	}
-
-	return secretValue
-}
-
-// getConfigValue is an internal helper to get config values without locking.
-func (m *Manager) getConfigValue(key string, defaultValue interface{}) interface{} {
-	// Try environment-specific config first
-	var rawValue interface{}
-	if m.environment != "" {
-		envMap, ok := m.config["environments"].(map[string]interface{})
-		if ok {
-			if env, ok := envMap[m.environment].(map[string]interface{}); ok {
-				if config, ok := env["config"].(map[string]interface{}); ok {
-					if val, exists := config[key]; exists {
-						rawValue = val
-					}
-				}
-			}
-		}
-	}
-
-	// Fall back to configDefaults
-	if rawValue == nil {
-		if defaults, ok := m.config["configDefaults"].(map[string]interface{}); ok {
-			if val, exists := defaults[key]; exists {
-				rawValue = val
-			}
-		}
-	}
-
-	if rawValue == nil {
-		return defaultValue
-	}
-
-	return rawValue
-}
-
-// Reload reloads the configuration from file.
-func (m *Manager) Reload() error {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	return m.loadConfig()
-}
-
-// GetAllConfig returns all configuration values for the current environment.
-func (m *Manager) GetAllConfig() map[string]interface{} {
-	m.mu.RLock()
-	defer m.mu.RUnlock()
-
-	result := make(map[string]interface{})
-
-	// Start with configDefaults
-	if defaults, ok := m.config["configDefaults"].(map[string]interface{}); ok {
-		for k, v := range defaults {
-			if m.resolver != nil {
-				result[k] = m.resolver.Resolve(v)
-			} else {
-				result[k] = v
-			}
-		}
-	}
-
-	// Override with environment-specific config
-	if m.environment != "" {
-		envMap, ok := m.config["environments"].(map[string]interface{})
-		if ok {
-			if env, ok := envMap[m.environment].(map[string]interface{}); ok {
-				if config, ok := env["config"].(map[string]interface{}); ok {
-					for k, v := range config {
-						if m.resolver != nil {
-							result[k] = m.resolver.Resolve(v)
-						} else {
-							result[k] = v
-						}
-					}
-				}
-			}
-		}
-	}
-
-	return result
-}
-
-// GetAllSecrets returns all secrets for the current environment.
-func (m *Manager) GetAllSecrets() map[string]interface{} {
-	m.mu.RLock()
-	defer m.mu.RUnlock()
-
-	if m.environment == "" {
-		return make(map[string]interface{})
-	}
-
-	envMap, ok := m.config["environments"].(map[string]interface{})
-	if !ok {
-		return make(map[string]interface{})
-	}
-
-	env, ok := envMap[m.environment].(map[string]interface{})
-	if !ok {
-		return make(map[string]interface{})
-	}
-
-	secrets, ok := env["secrets"].(map[string]interface{})
-	if !ok {
-		return make(map[string]interface{})
-	}
-
-	// Resolve all secrets
-	result := make(map[string]interface{})
-	for k, v := range secrets {
-		if m.resolver != nil {
-			result[k] = m.resolver.Resolve(v)
-		} else {
-			result[k] = v
-		}
-	}
-
-	return result
-}

pkg/config/resolver.go

@@ -1,204 +0,0 @@
-package config
-
-import (
-	"context"
-	"fmt"
-	"log"
-	"os"
-	"path/filepath"
-	"regexp"
-	"strings"
-
-	secretmanager "cloud.google.com/go/secretmanager/apiv1"
-	"cloud.google.com/go/secretmanager/apiv1/secretmanagerpb"
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/aws/aws-sdk-go/aws/session"
-	"github.com/aws/aws-sdk-go/service/secretsmanager"
-	"github.com/spf13/afero"
-)
-
-// Resolver handles resolution of configuration values with special prefixes.
-type Resolver struct {
-	gcpProject   string
-	awsRegion    string
-	gsmClient    *secretmanager.Client
-	asmClient    *secretsmanager.SecretsManager
-	awsSession   *session.Session
-	specialValue *regexp.Regexp
-	fs           afero.Fs
-}
-
-// NewResolver creates a new value resolver.
-func NewResolver(gcpProject, awsRegion string, fs afero.Fs) *Resolver {
-	return &Resolver{
-		gcpProject:   gcpProject,
-		awsRegion:    awsRegion,
-		specialValue: regexp.MustCompile(`^\$([A-Z]+):(.+)$`),
-		fs:           fs,
-	}
-}
-
-// Resolve resolves a configuration value that may contain special prefixes.
-func (r *Resolver) Resolve(value interface{}) interface{} {
-	switch v := value.(type) {
-	case string:
-		return r.resolveString(v)
-	case map[string]interface{}:
-		// Recursively resolve map values
-		result := make(map[string]interface{})
-		for k, val := range v {
-			result[k] = r.Resolve(val)
-		}
-		return result
-	case []interface{}:
-		// Recursively resolve slice items
-		result := make([]interface{}, len(v))
-		for i, val := range v {
-			result[i] = r.Resolve(val)
-		}
-		return result
-	default:
-		// Return non-string values as-is
-		return value
-	}
-}
-
-// resolveString resolves a string value that may contain a special prefix.
-func (r *Resolver) resolveString(value string) interface{} {
-	matches := r.specialValue.FindStringSubmatch(value)
-	if matches == nil {
-		return value
-	}
-
-	resolverType := matches[1]
-	resolverValue := matches[2]
-
-	switch resolverType {
-	case "ENV":
-		return r.resolveEnv(resolverValue)
-	case "GSM":
-		return r.resolveGSM(resolverValue)
-	case "ASM":
-		return r.resolveASM(resolverValue)
-	case "FILE":
-		return r.resolveFile(resolverValue)
-	default:
-		log.Printf("Unknown resolver type: %s", resolverType)
-		return value
-	}
-}
-
-// resolveEnv resolves an environment variable.
-func (r *Resolver) resolveEnv(envVar string) interface{} {
-	value := os.Getenv(envVar)
-	if value == "" {
-		return nil
-	}
-	return value
-}
-
-// resolveGSM resolves a Google Secret Manager secret.
-func (r *Resolver) resolveGSM(secretName string) interface{} {
-	if r.gcpProject == "" {
-		log.Printf("GCP project not configured for GSM resolution")
-		return nil
-	}
-
-	// Initialize GSM client if needed
-	if r.gsmClient == nil {
-		ctx := context.Background()
-		client, err := secretmanager.NewClient(ctx)
-		if err != nil {
-			log.Printf("Failed to create GSM client: %v", err)
-			return nil
-		}
-		r.gsmClient = client
-	}
-
-	// Build the resource name
-	name := fmt.Sprintf("projects/%s/secrets/%s/versions/latest", r.gcpProject, secretName)
-
-	// Access the secret
-	ctx := context.Background()
-	req := &secretmanagerpb.AccessSecretVersionRequest{
-		Name: name,
-	}
-
-	result, err := r.gsmClient.AccessSecretVersion(ctx, req)
-	if err != nil {
-		log.Printf("Failed to access GSM secret %s: %v", secretName, err)
-		return nil
-	}
-
-	return string(result.Payload.Data)
-}
-
-// resolveASM resolves an AWS Secrets Manager secret.
-func (r *Resolver) resolveASM(secretName string) interface{} {
-	// Initialize AWS session if needed
-	if r.awsSession == nil {
-		sess, err := session.NewSession(&aws.Config{
-			Region: aws.String(r.awsRegion),
-		})
-		if err != nil {
-			log.Printf("Failed to create AWS session: %v", err)
-			return nil
-		}
-		r.awsSession = sess
-	}
-
-	// Initialize ASM client if needed
-	if r.asmClient == nil {
-		r.asmClient = secretsmanager.New(r.awsSession)
-	}
-
-	// Get the secret value
-	input := &secretsmanager.GetSecretValueInput{
-		SecretId: aws.String(secretName),
-	}
-
-	result, err := r.asmClient.GetSecretValue(input)
-	if err != nil {
-		log.Printf("Failed to access ASM secret %s: %v", secretName, err)
-		return nil
-	}
-
-	// Return the secret string
-	if result.SecretString != nil {
-		return *result.SecretString
-	}
-
-	// If it's binary data, we can't handle it as a string config value
-	log.Printf("ASM secret %s contains binary data, which is not supported", secretName)
-	return nil
-}
-
-// resolveFile resolves a file's contents.
-func (r *Resolver) resolveFile(filePath string) interface{} {
-	// Expand user home directory if present
-	if strings.HasPrefix(filePath, "~/") {
-		home, err := os.UserHomeDir()
-		if err != nil {
-			log.Printf("Failed to get user home directory: %v", err)
-			return nil
-		}
-		filePath = filepath.Join(home, filePath[2:])
-	}
-
-	data, err := afero.ReadFile(r.fs, filePath)
-	if err != nil {
-		log.Printf("Failed to read file %s: %v", filePath, err)
-		return nil
-	}
-
-	// Strip whitespace/newlines from file contents
-	return strings.TrimSpace(string(data))
-}
-
-// Close closes any open clients.
-func (r *Resolver) Close() error {
-	if r.gsmClient != nil {
-		return r.gsmClient.Close()
-	}
-	return nil
-}

script/bootstrap

@@ -0,0 +1,121 @@
+#!/bin/sh
+# script/bootstrap: install all dependencies needed to build and develop
+# this repo. Idempotent: every install is guarded by a check so already
+# installed tools are skipped. Base tooling comes from nix, apt, brew,
+# or apk (detected in that order); assumes NOTHING is present (not git,
+# make, or go). golangci-lint is packaged in nix, brew, and apk; on apt
+# it is installed from a hash-verified GitHub release archive (never
+# curl | sh).
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+# Pinned versions, 2026-07-07. Never "latest"; exact versions only.
+GOLANGCI_LINT_VERSION="2.11.3"
+# sha256 of golangci-lint-2.11.3-linux-<arch>.tar.gz release archives
+GOLANGCI_LINT_SHA256_AMD64="87bb8cddbcc825d5778b64e8a91b46c0526b247f4e2f2904dea74ec7450475d1"
+GOLANGCI_LINT_SHA256_ARM64="ee3d95f301359e7d578e6d99c8ad5aeadbabc5a13009a30b2b0df11c8058afe9"
+
+PKGMGR=""
+SUDO=""
+
+detect_pkgmgr() {
+    [ -n "$PKGMGR" ] && return 0
+    if command -v nix-env >/dev/null 2>&1; then
+        PKGMGR="nix"
+    elif command -v apt-get >/dev/null 2>&1; then
+        PKGMGR="apt"
+    elif command -v brew >/dev/null 2>&1; then
+        PKGMGR="brew"
+    elif command -v apk >/dev/null 2>&1; then
+        PKGMGR="apk"
+    else
+        echo "bootstrap: no supported package manager (nix, apt, brew, apk)" >&2
+        exit 1
+    fi
+    if [ "$PKGMGR" = "apt" ]; then
+        export DEBIAN_FRONTEND=noninteractive
+        if [ "$(id -u)" != "0" ]; then
+            SUDO="sudo"
+        fi
+    fi
+}
+
+# pkg_install <nix-attr> <apt-pkg> <brew-formula> <apk-pkg>
+pkg_install() {
+    detect_pkgmgr
+    case "$PKGMGR" in
+        nix) nix-env -iA "nixpkgs.$1" ;;
+        apt) $SUDO env DEBIAN_FRONTEND=noninteractive apt-get install -y "$2" ;;
+        brew) brew install "$3" ;;
+        apk) apk add --no-cache "$4" ;;
+    esac
+}
+
+missing() {
+    ! command -v "$1" >/dev/null 2>&1
+}
+
+# verify_sha256 <file> <expected-hash>
+verify_sha256() {
+    if command -v sha256sum >/dev/null 2>&1; then
+        actual="$(sha256sum "$1" | cut -d' ' -f1)"
+    else
+        actual="$(shasum -a 256 "$1" | cut -d' ' -f1)"
+    fi
+    if [ "$actual" != "$2" ]; then
+        echo "bootstrap: sha256 mismatch for $1" >&2
+        echo "  expected: $2" >&2
+        echo "  actual:   $actual" >&2
+        exit 1
+    fi
+}
+
+# apt has no golangci-lint package: install a pinned release archive
+# from GitHub, verified by hardcoded sha256 (never curl | sh).
+install_golangci_lint_release() {
+    case "$(uname -m)" in
+        x86_64) goarch="amd64"; sha="$GOLANGCI_LINT_SHA256_AMD64" ;;
+        aarch64|arm64) goarch="arm64"; sha="$GOLANGCI_LINT_SHA256_ARM64" ;;
+        *)
+            echo "bootstrap: unsupported architecture $(uname -m)" >&2
+            exit 1
+            ;;
+    esac
+    if missing curl; then pkg_install curl curl curl curl; fi
+    name="golangci-lint-${GOLANGCI_LINT_VERSION}-linux-${goarch}"
+    tmp="$(mktemp -d)"
+    curl -fsSL -o "$tmp/$name.tar.gz" \
+        "https://github.com/golangci/golangci-lint/releases/download/v${GOLANGCI_LINT_VERSION}/${name}.tar.gz"
+    verify_sha256 "$tmp/$name.tar.gz" "$sha"
+    tar -xzf "$tmp/$name.tar.gz" -C "$tmp"
+    $SUDO install -m 0755 "$tmp/$name/golangci-lint" /usr/local/bin/golangci-lint
+    rm -rf "$tmp"
+}
+
+ensure_golangci_lint() {
+    if ! missing golangci-lint; then return 0; fi
+    detect_pkgmgr
+    case "$PKGMGR" in
+        apt) install_golangci_lint_release ;;
+        *) pkg_install golangci-lint golangci-lint golangci-lint golangci-lint ;;
+    esac
+}
+
+main() {
+    cd "$ROOT"
+
+    # Base tooling
+    if missing git; then pkg_install git git git git; fi
+    if missing make; then pkg_install gnumake make make make; fi
+
+    # Go toolchain and linter
+    if missing go; then pkg_install go golang go go; fi
+    ensure_golangci_lint
+
+    go mod download
+
+    echo "bootstrap complete"
+}
+
+main "$@"

script/check

@@ -0,0 +1,15 @@
+#!/bin/sh
+# script/check: run all checks (test, lint, fmt-check). Our own
+# extension to scripts-to-rule-them-all. Must not modify any files.
+# Generic: usually needs no adaptation.
+set -eu
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
+
+main() {
+    "$SCRIPT_DIR/test"
+    "$SCRIPT_DIR/lint"
+    "$SCRIPT_DIR/fmt-check"
+}
+
+main "$@"

script/cibuild

@@ -0,0 +1,15 @@
+#!/bin/sh
+# script/cibuild: run the CI build. The Dockerfile runs the checks
+# (make fmt-check, lint, test), so a successful build implies a green
+# repo. Generic: needs no adaptation. The Gitea workflow runs this on
+# push.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    docker build .
+}
+
+main "$@"

script/docker

@@ -0,0 +1,15 @@
+#!/bin/sh
+# script/docker: build the Docker image tagged with the project name.
+# Identical in all repos; the tag comes from script/projectname.
+# Generic: needs no adaptation.
+set -eu
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
+ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    docker build -t "$("$SCRIPT_DIR/projectname")" .
+}
+
+main "$@"

script/fmt

@@ -0,0 +1,15 @@
+#!/bin/sh
+# script/fmt: format all files (writes).
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    gofmt -s -w .
+    if command -v goimports >/dev/null 2>&1; then
+        goimports -w .
+    fi
+}
+
+main "$@"

script/fmt-check

@@ -0,0 +1,17 @@
+#!/bin/sh
+# script/fmt-check: check formatting (read-only). Same scope as
+# script/fmt, but fails instead of writing.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    if [ -n "$(gofmt -s -l .)" ]; then
+        echo "gofmt needed on:"
+        gofmt -s -l .
+        exit 1
+    fi
+}
+
+main "$@"

script/install-precommit

@@ -0,0 +1,16 @@
+#!/bin/sh
+# script/install-precommit: install the git pre-commit hook that runs
+# script/precommit. Our own extension to scripts-to-rule-them-all.
+# Generic: needs no adaptation.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    printf '#!/bin/sh\nset -e\nscript/precommit\n' > .git/hooks/pre-commit
+    chmod +x .git/hooks/pre-commit
+    echo "pre-commit hook installed: runs script/precommit"
+}
+
+main "$@"

script/lint

@@ -0,0 +1,12 @@
+#!/bin/sh
+# script/lint: run the linter.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    golangci-lint run --config .golangci.yml ./...
+}
+
+main "$@"

script/precommit

@@ -0,0 +1,21 @@
+#!/bin/sh
+# script/precommit: run by the git pre-commit hook; fails the commit if
+# checks fail. Our own extension to scripts-to-rule-them-all. Go repo
+# extras: go mod tidy must not change go.mod/go.sum.
+set -eu
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
+ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    go mod tidy
+    git diff --exit-code -- go.mod go.sum || {
+        echo "precommit: go mod tidy changed go.mod/go.sum;" \
+            "stage the changes and retry" >&2
+        exit 1
+    }
+    "$SCRIPT_DIR/check"
+}
+
+main "$@"

script/projectname

@@ -0,0 +1,12 @@
+#!/bin/sh
+# script/projectname: output the name of this project. Our own
+# extension to scripts-to-rule-them-all. Other scripts that need the
+# name (e.g. script/docker) call this, so they can stay identical
+# across all repos.
+set -eu
+
+main() {
+    echo "webhooker"
+}
+
+main "$@"

script/setup

@@ -0,0 +1,14 @@
+#!/bin/sh
+# script/setup: set up the repo for development after a fresh clone:
+# installs dependencies (script/bootstrap) and the git pre-commit hook.
+# Add any repo-specific initialization (db init, .env template) here.
+set -eu
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
+
+main() {
+    "$SCRIPT_DIR/bootstrap"
+    "$SCRIPT_DIR/install-precommit"
+}
+
+main "$@"

script/test

@@ -0,0 +1,12 @@
+#!/bin/sh
+# script/test: run the test suite.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    go test -v -race -timeout 30s ./...
+}
+
+main "$@"

static/css/input.css

@@ -0,0 +1,108 @@
+@import "tailwindcss";
+
+/* Source the templates */
+@source "../../templates/**/*.html";
+
+/* Material Design inspired theme customization */
+@theme {
+  /* Primary colors */
+  --color-primary-50: #e3f2fd;
+  --color-primary-100: #bbdefb;
+  --color-primary-200: #90caf9;
+  --color-primary-300: #64b5f6;
+  --color-primary-400: #42a5f5;
+  --color-primary-500: #2196f3;
+  --color-primary-600: #1e88e5;
+  --color-primary-700: #1976d2;
+  --color-primary-800: #1565c0;
+  --color-primary-900: #0d47a1;
+
+  /* Error colors */
+  --color-error-50: #ffebee;
+  --color-error-500: #f44336;
+  --color-error-700: #d32f2f;
+
+  /* Success colors */
+  --color-success-50: #e8f5e9;
+  --color-success-500: #4caf50;
+  --color-success-700: #388e3c;
+
+  /* Warning colors */
+  --color-warning-50: #fff3e0;
+  --color-warning-500: #ff9800;
+  --color-warning-700: #f57c00;
+
+  /* Material Design elevation shadows */
+  --shadow-elevation-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
+  --shadow-elevation-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
+  --shadow-elevation-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
+}
+
+/* Material Design component styles */
+@layer components {
+  /* Buttons */
+  .btn-primary {
+    @apply inline-flex items-center justify-center px-4 py-2 rounded-md font-medium text-sm transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed bg-primary-600 text-white hover:bg-primary-700 active:bg-primary-800 focus:ring-primary-500 shadow-elevation-1 hover:shadow-elevation-2;
+  }
+
+  .btn-secondary {
+    @apply inline-flex items-center justify-center px-4 py-2 rounded-md font-medium text-sm transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed bg-white text-gray-700 border border-gray-300 hover:bg-gray-50 active:bg-gray-100 focus:ring-primary-500;
+  }
+
+  .btn-danger {
+    @apply inline-flex items-center justify-center px-4 py-2 rounded-md font-medium text-sm transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed bg-error-500 text-white hover:bg-error-700 active:bg-red-800 focus:ring-red-500 shadow-elevation-1 hover:shadow-elevation-2;
+  }
+
+  .btn-text {
+    @apply inline-flex items-center justify-center px-4 py-2 rounded-md font-medium text-sm transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed text-primary-600 hover:bg-primary-50 active:bg-primary-100;
+  }
+
+  /* Cards */
+  .card {
+    @apply bg-white rounded-lg shadow-elevation-1 overflow-hidden;
+  }
+
+  .card-elevated {
+    @apply bg-white rounded-lg shadow-elevation-1 overflow-hidden hover:shadow-elevation-2 transition-shadow;
+  }
+
+  /* Form inputs */
+  .input {
+    @apply w-full px-4 py-3 border border-gray-300 rounded-md text-gray-900 placeholder-gray-500 focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent transition-all;
+  }
+
+  .label {
+    @apply block text-sm font-medium text-gray-700 mb-1;
+  }
+
+  .form-group {
+    @apply mb-4;
+  }
+
+  /* Status badges */
+  .badge-success {
+    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-success-50 text-success-700;
+  }
+
+  .badge-error {
+    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-error-50 text-error-700;
+  }
+
+  .badge-info {
+    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-primary-50 text-primary-700;
+  }
+
+  /* App bar / Navigation */
+  .app-bar {
+    @apply bg-white shadow-elevation-1 px-6 py-4;
+  }
+
+  /* Alert / Message boxes */
+  .alert-error {
+    @apply p-4 rounded-md mb-4 bg-error-50 text-error-700 border border-error-500/20;
+  }
+
+  .alert-success {
+    @apply p-4 rounded-md mb-4 bg-success-50 text-success-700 border border-success-500/20;
+  }
+}

static/css/style.css

@@ -1,59 +1 @@
-/* Webhooker main stylesheet */
-body {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
-} 
-
-/* Custom styles for Webhooker */
-
-/* Navbar customization */
-.navbar-brand {
-    font-weight: 600;
-    font-size: 1.5rem;
-}
-
-/* Card hover effects */
-.card {
-    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
-}
-
-.card:hover {
-    transform: translateY(-5px);
-    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
-}
-
-/* Background opacity utilities */
-.bg-opacity-10 {
-    background-color: rgba(var(--bs-success-rgb), 0.1);
-}
-
-.bg-primary.bg-opacity-10 {
-    background-color: rgba(var(--bs-primary-rgb), 0.1);
-}
-
-/* User dropdown styling */
-.navbar .dropdown-toggle::after {
-    margin-left: 0.5rem;
-}
-
-.navbar .dropdown-menu {
-    margin-top: 0.5rem;
-}
-
-/* Footer styling */
-footer {
-    margin-top: auto;
-    padding: 2rem 0;
-    background-color: #f8f9fa;
-    border-top: 1px solid #dee2e6;
-}
-
-/* Responsive adjustments */
-@media (max-width: 768px) {
-    .display-4 {
-        font-size: 2.5rem;
-    }
-    
-    .card {
-        margin-bottom: 1rem;
-    }
-} 
+/* Webhooker custom styles — see input.css for Tailwind theme */

static/static.go

@@ -1,8 +1,11 @@
+// Package static embeds static assets (CSS, JS) served by the web UI.
 package static
 
 import (
 	"embed"
 )
 
-//go:embed css js vendor
+// Static holds the embedded CSS and JavaScript files for the web UI.
+//
+//go:embed css js
 var Static embed.FS