feat: add CSRF protection, SSRF prevention, and login rate limiting

Security hardening implementing three issues:

CSRF Protection (#35):
- Session-based CSRF tokens with cryptographically random generation
- Constant-time token comparison to prevent timing attacks
- CSRF middleware applied to /pages, /sources, /source, and /user routes
- Hidden csrf_token field added to all 12+ POST forms in templates
- Excluded from /webhook (inbound) and /api (stateless) routes

SSRF Prevention (#36):
- ValidateTargetURL blocks private/reserved IP ranges at target creation
- Blocked ranges: 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, ::1, fc00::/7, fe80::/10, plus
  multicast, reserved, test-net, and CGN ranges
- SSRF-safe HTTP transport with custom DialContext for defense-in-depth
  at delivery time (prevents DNS rebinding attacks)
- Only http/https schemes allowed

Login Rate Limiting (#37):
- Per-IP rate limiter using golang.org/x/time/rate
- 5 attempts per minute per IP on POST /pages/login
- GET requests (form rendering) pass through unaffected
- Automatic cleanup of stale per-IP limiter entries
- X-Forwarded-For and X-Real-IP header support for reverse proxies

Closes #35, closes #36, closes #37

.gitignore

@@ -29,9 +29,9 @@ Thumbs.db
 # Environment and config files
 .env
 .env.local
-config.yaml
 
-# Database files
+# Data directory (SQLite databases)
+data/
 *.db
 *.sqlite
 *.sqlite3

Dockerfile

@@ -34,7 +34,6 @@ RUN set -eux; \
 
 # Copy go module files and download dependencies
 COPY go.mod go.sum ./
-COPY pkg/config/go.mod pkg/config/go.sum ./pkg/config/
 RUN go mod download
 
 # Copy source code
@@ -57,7 +56,11 @@ WORKDIR /app
 # Copy binary from builder
 COPY --from=builder /build/bin/webhooker .
 
-RUN chown -R webhooker:webhooker /app
+# Create data directory for all SQLite databases (main app DB +
+# per-webhook event DBs). DATA_DIR defaults to /data in production.
+RUN mkdir -p /data
+
+RUN chown -R webhooker:webhooker /app /data
 
 USER webhooker
 

README.md

@@ -50,30 +50,28 @@ make hooks      # Install git pre-commit hook that runs make check
 
 ### Configuration
 
-webhooker uses a YAML configuration file with environment-specific
+All configuration is via environment variables. For local development,
-overrides, loaded via the `pkg/config` library (Viper-based). The
+you can place variables in a `.env` file in the project root (loaded
-environment is selected by setting `WEBHOOKER_ENVIRONMENT` to `dev` or
+automatically via `godotenv/autoload`).
-`prod` (default: `dev`).
 
-Configuration is resolved in this order (highest priority first):
+The environment is selected by setting `WEBHOOKER_ENVIRONMENT` to `dev`
-
+or `prod` (default: `dev`).
-1. Environment variables
-2. `.env` file (loaded via `godotenv/autoload`)
-3. Config file values for the active environment
-4. Config file defaults
 
 | Variable                | Description                         | Default  |
 | ----------------------- | ----------------------------------- | -------- |
 | `WEBHOOKER_ENVIRONMENT` | `dev` or `prod`                     | `dev`    |
 | `PORT`                  | HTTP listen port                    | `8080`   |
-| `DBURL`                 | SQLite database connection string   | *(required)* |
+| `DATA_DIR`              | Directory for all SQLite databases  | `./data` (dev) / `/data` (prod) |
-| `SESSION_KEY`           | Base64-encoded 32-byte session key  | *(required in prod)* |
 | `DEBUG`                 | Enable debug logging                | `false`  |
 | `METRICS_USERNAME`      | Basic auth username for `/metrics`  | `""`     |
 | `METRICS_PASSWORD`      | Basic auth password for `/metrics`  | `""`     |
 | `SENTRY_DSN`            | Sentry error reporting DSN          | `""`     |
 
-On first startup in development mode, webhooker creates an `admin` user
+On first startup, webhooker automatically generates a cryptographically
+secure session encryption key and stores it in the database. This key
+persists across restarts — no manual key management is needed.
+
+On first startup, webhooker creates an `admin` user
 with a randomly generated password and logs it to stdout. This password
 is only displayed once.
 
@@ -83,15 +81,16 @@ is only displayed once.
 docker run -d \
   -p 8080:8080 \
   -v /path/to/data:/data \
-  -e DBURL="file:/data/webhooker.db?cache=shared&mode=rwc" \
-  -e SESSION_KEY="<base64-encoded-32-byte-key>" \
   -e WEBHOOKER_ENVIRONMENT=prod \
   webhooker:latest
 ```
 
 The container runs as a non-root user (`webhooker`, UID 1000), exposes
 port 8080, and includes a health check against
-`/.well-known/healthcheck`.
+`/.well-known/healthcheck`. The `/data` volume holds all SQLite
+databases: the main application database (`webhooker.db`) and the
+per-webhook event databases (`events-{uuid}.db`). Mount this as a
+persistent volume to preserve data across container restarts.
 
 ## Rationale
 
@@ -164,19 +163,14 @@ It uses:
 
 ### Naming Conventions
 
-This README uses the target naming scheme for the application's core
+The codebase uses consistent naming throughout (rename completed in
-entities. The current codebase uses older names that will be updated in
-a future refactor (see
 [issue #12](https://git.eeqj.de/sneak/webhooker/issues/12)):
 
-| README (target name) | Current code name | Description |
+| Entity           | Description |
-| --------------------- | ----------------- | ----------- |
+| ---------------- | ----------- |
-| **Webhook**           | `Processor`       | Top-level configuration entity grouping entrypoints and targets |
+| **Webhook**      | Top-level configuration entity grouping entrypoints and targets |
-| **Entrypoint**        | `Webhook`         | A receiver URL where external services POST events |
+| **Entrypoint**   | A receiver URL where external services POST events |
-| **Target**            | `Target`          | A delivery destination for events |
+| **Target**       | A delivery destination for events |
-
-Throughout this document, the target names are used. The code rename is
-tracked separately.
 
 ### Data Model
 
@@ -196,11 +190,15 @@ tier** (event ingestion, delivery, and logging).
 │  │          │       └──────────┘       └──────────────┘     │
 │  │          │──1:N──│  APIKey  │                             │
 │  └──────────┘       └──────────┘                             │
+│                                                             │
+│  ┌──────────┐                                               │
+│  │ Setting  │  (key-value application config)               │
+│  └──────────┘                                               │
 └─────────────────────────────────────────────────────────────┘
 
 ┌─────────────────────────────────────────────────────────────┐
 │                      EVENT TIER                              │
-│        (planned: per-webhook dedicated database)            │
+│            (per-webhook dedicated databases)                 │
 │                                                             │
 │  ┌──────────┐       ┌──────────┐       ┌─────────────────┐  │
 │  │  Event   │──1:N──│ Delivery │──1:N──│ DeliveryResult  │  │
@@ -208,6 +206,22 @@ tier** (event ingestion, delivery, and logging).
 └─────────────────────────────────────────────────────────────┘
 ```
 
+#### Setting
+
+A key-value pair for application-level configuration that is
+auto-managed rather than user-provided. Used to store the session
+encryption key and any future auto-generated settings.
+
+| Field   | Type   | Description |
+| ------- | ------ | ----------- |
+| `key`   | string | Primary key (setting name) |
+| `value` | text   | Setting value |
+
+Currently stored settings:
+
+- **`session_key`** — Base64-encoded 32-byte session encryption key,
+  auto-generated on first startup.
+
 #### User
 
 A registered user of the webhooker service.
@@ -227,10 +241,10 @@ password logged to stdout.
 
 #### Webhook
 
-The top-level configuration entity (currently called "Processor" in
+The top-level configuration entity. A webhook groups together one or
-code). A webhook groups together one or more entrypoints (receiver URLs)
+more entrypoints (receiver URLs) and one or more targets (delivery
-and one or more targets (delivery destinations) into a logical unit. A
+destinations) into a logical unit. A user creates a webhook to set up
-user creates a webhook to set up event routing.
+event routing.
 
 | Field            | Type    | Description |
 | ---------------- | ------- | ----------- |
@@ -247,15 +261,15 @@ webhook's dedicated database before automatic cleanup.
 
 #### Entrypoint
 
-A receiver URL where external services POST webhook events (currently
+A receiver URL where external services POST webhook events. Each
-called "Webhook" in code). Each entrypoint has a unique UUID-based path.
+entrypoint has a unique UUID-based path.
 When an HTTP request arrives at an entrypoint's path, webhooker captures
 the full request and creates an Event.
 
 | Field          | Type    | Description |
 | -------------- | ------- | ----------- |
 | `id`           | UUID    | Primary key |
-| `processor_id` | UUID    | Foreign key → Webhook |
+| `webhook_id`   | UUID    | Foreign key → Webhook |
 | `path`         | string  | Unique URL path (UUID-based, e.g. `/webhook/{uuid}`) |
 | `description`  | string  | Optional description |
 | `active`       | boolean | Whether this entrypoint accepts events (default: true) |
@@ -275,24 +289,29 @@ events should be forwarded.
 | Field            | Type       | Description |
 | ---------------- | ---------- | ----------- |
 | `id`             | UUID       | Primary key |
-| `processor_id`   | UUID       | Foreign key → Webhook |
+| `webhook_id`     | UUID       | Foreign key → Webhook |
 | `name`           | string     | Human-readable name |
-| `type`           | TargetType | One of: `http`, `retry`, `database`, `log` |
+| `type`           | TargetType | One of: `http`, `database`, `log` |
 | `active`         | boolean    | Whether deliveries are enabled (default: true) |
 | `config`         | JSON text  | Type-specific configuration |
-| `max_retries`    | integer    | Maximum retry attempts (for retry targets) |
+| `max_retries`    | integer    | Maximum retry attempts for HTTP targets (0 = fire-and-forget, >0 = retries with backoff) |
-| `max_queue_size` | integer    | Maximum queued deliveries (for retry targets) |
+| `max_queue_size` | integer    | Maximum queued deliveries (for HTTP targets with retries) |
 
 **Relations:** Belongs to Webhook. Has many Deliveries.
 
 **Target types:**
 
 - **`http`** — Forward the event as an HTTP POST to a configured URL.
-  Fire-and-forget: a single attempt with no retries.
+  Behavior depends on `max_retries`: when `max_retries` is 0 (the
-- **`retry`** — Forward the event via HTTP POST with automatic retry on
+  default), the target operates in fire-and-forget mode — a single
-  failure. Uses exponential backoff up to `max_retries` attempts.
+  attempt with no retries and no circuit breaker. When `max_retries` is
-- **`database`** — Store the event in the webhook's database only (no
+  greater than 0, failed deliveries are retried with exponential backoff
-  external delivery). Useful for pure logging/archival.
+  up to `max_retries` attempts, protected by a per-target circuit
+  breaker.
+- **`database`** — Confirm the event is stored in the webhook's
+  per-webhook database (no external delivery). Since events are always
+  written to the per-webhook DB on ingestion, this target marks delivery
+  as immediately successful. Useful for ensuring durable event archival.
 - **`log`** — Write the event to the application log (stdout). Useful
   for debugging.
 
@@ -320,9 +339,9 @@ data for replay and auditing.
 
 | Field          | Type   | Description |
 | -------------- | ------ | ----------- |
-| `id`           | UUID   | Primary key |
+| `id`             | UUID   | Primary key |
-| `processor_id` | UUID   | Foreign key → Webhook |
+| `webhook_id`     | UUID   | Foreign key → Webhook |
-| `webhook_id`   | UUID   | Foreign key → Entrypoint |
+| `entrypoint_id`  | UUID   | Foreign key → Entrypoint |
 | `method`       | string | HTTP method (POST, PUT, etc.) |
 | `headers`      | JSON   | Complete request headers |
 | `body`         | text   | Raw request body |
@@ -389,36 +408,39 @@ All entities include these fields from `BaseModel`:
 
 ### Database Architecture
 
-#### Current Implementation
+#### Per-Webhook Event Databases
 
-webhooker currently uses a **single SQLite database** for all data —
+webhooker uses **separate SQLite database files**: a main application
-application configuration, user accounts, and (once implemented) event
+database for configuration data and per-webhook databases for event
-storage. The database connection is managed by GORM with a single
+storage. All database files live in the `DATA_DIR` directory.
-connection string configured via `DBURL`. On first startup the database
-is auto-migrated and an `admin` user is created.
 
-#### Planned: Per-Webhook Event Databases (Phase 2)
+**Main Application Database** (`{DATA_DIR}/webhooker.db`) — stores
-
+configuration and application state:
-In a future phase (see TODO Phase 2 below), webhooker will split into
-**separate SQLite database files**: a main application database for
-configuration data and per-webhook databases for event storage.
-
-**Main Application Database** — will store:
 
+- **Settings** — auto-managed key-value config (e.g. session encryption
+  key)
 - **Users** — accounts and Argon2id password hashes
-- **Webhooks** (Processors) — webhook configurations
+- **Webhooks** — webhook configurations
-- **Entrypoints** (Webhooks) — receiver URL definitions
+- **Entrypoints** — receiver URL definitions
 - **Targets** — delivery destination configurations
 - **APIKeys** — programmatic access credentials
 
-**Per-Webhook Event Databases** — each webhook will get its own
+On first startup the main database is auto-migrated, a session
-dedicated SQLite file containing:
+encryption key is generated and stored, and an `admin` user is created.
+
+**Per-Webhook Event Databases** (`{DATA_DIR}/events-{webhook_uuid}.db`)
+— each webhook gets its own dedicated SQLite file containing:
 
 - **Events** — captured incoming webhook payloads
 - **Deliveries** — event-to-target pairings and their status
 - **DeliveryResults** — individual delivery attempt logs
 
-This planned separation will provide:
+Per-webhook databases are created automatically when a webhook is
+created (and lazily on first access for webhooks that predate this
+feature). They are managed by the `WebhookDBManager` component, which
+handles connection pooling, lazy opening, migrations, and cleanup.
+
+This separation provides:
 
 - **Isolation** — a high-volume webhook won't cause lock contention or
   WAL bloat affecting the main application or other webhooks.
@@ -426,14 +448,21 @@ This planned separation will provide:
   backed up, archived, rotated, or size-limited without impacting the
   application.
 - **Clean deletion** — removing a webhook and all its history is as
-  simple as deleting one file.
+  simple as deleting one file. Configuration is soft-deleted in the main
+  DB; the event database file is hard-deleted (permanently removed).
 - **Per-webhook retention** — the `retention_days` field on each webhook
-  will control automatic cleanup of old events in that webhook's
+  controls automatic cleanup of old events in that webhook's database
-  database only.
+  only.
-- **Performance** — each webhook's database will have its own WAL, its
+- **Performance** — each webhook's database has its own WAL, its own
-  own page cache, and its own lock, so concurrent event ingestion across
+  page cache, and its own lock, so concurrent event ingestion across
   webhooks won't contend.
 
+The **database target type** leverages this architecture: since events
+are already stored in the per-webhook database by design, the database
+target simply marks the delivery as immediately successful. The
+per-webhook DB IS the dedicated event database — that's the whole point
+of the database target type.
+
 The database uses the
 [modernc.org/sqlite](https://pkg.go.dev/modernc.org/sqlite) driver at
 runtime, though CGO is required at build time due to the transitive
@@ -453,22 +482,133 @@ External Service
                                                 │
                      1. Look up Entrypoint by UUID
                      2. Capture full request as Event
-                     3. Queue Delivery to each active Target
+                     3. Create Delivery records for each active Target
+                     4. Build self-contained DeliveryTask structs
+                        (target config + event data inline for ≤16KB)
+                     5. Notify Engine via channel (no DB read needed)
                                                 │
                                                 ▼
                                         ┌──────────────┐
-                                        │  Delivery    │
+                                        │  Delivery    │◄── retry timers
-                                        │  Engine      │
+                                        │  Engine      │    (backoff)
+                                        │  (worker     │
+                                        │   pool)      │
                                         └──────┬───────┘
                                                │
-                          ┌────────────────────┼────────────────────┐
+                              ┌── bounded worker pool (N workers) ──┐
-                          ▼                    ▼                    ▼
+                              ▼                ▼                    ▼
-                   ┌────────────┐       ┌────────────┐      ┌────────────┐
+                       ┌────────────┐   ┌────────────┐      ┌────────────┐
-                   │ HTTP Target│       │Retry Target│      │ Log Target │
+                       │ HTTP Target│   │ HTTP Target│      │ Log Target │
-                   │ (1 attempt)│       │ (backoff)  │      │ (stdout)   │
+                       │(max_retries│   │(max_retries│      │ (stdout)   │
-                   └────────────┘       └────────────┘      └────────────┘
+                       │   == 0)    │   │   > 0,     │      └────────────┘
+                       │ fire+forget│   │ backoff +  │
+                       └────────────┘   │ circuit    │
+                                        │ breaker)   │
+                                        └────────────┘
 ```
 
+### Bounded Worker Pool
+
+The delivery engine uses a **fixed-size worker pool** (default: 10
+workers) to process all deliveries. At most N deliveries are in-flight
+at any time, preventing goroutine explosions regardless of queue depth.
+
+**Architecture:**
+
+- **Channels as queues:** Two buffered channels serve as bounded queues:
+  a delivery channel (new tasks from the webhook handler) and a retry
+  channel (tasks from backoff timers). Both are buffered to 10,000.
+- **Fan-out via channel, not goroutines:** When an event arrives with
+  multiple targets, each `DeliveryTask` is sent to the delivery channel.
+  Workers pick them up and process them — no goroutine-per-target.
+- **Worker goroutines:** A fixed number of worker goroutines select from
+  both channels. Each worker processes one task at a time, then picks up
+  the next. Workers are the ONLY goroutines doing actual HTTP delivery.
+- **Retry backpressure with DB fallback:** When a retry timer fires and
+  the retry channel is full, the timer is dropped — the delivery stays
+  in `retrying` status in the database. A periodic sweep (every 60s)
+  scans for these "orphaned" retries and re-queues them. No blocked
+  goroutines, no unbounded timer chains.
+- **Bounded concurrency:** At most N deliveries (N = number of workers)
+  are in-flight simultaneously. Even if a circuit breaker is open for
+  hours and thousands of retries queue up in the channels, the workers
+  drain them at a controlled rate when the circuit closes.
+
+This means:
+
+- **No goroutine explosion** — even with 10,000 queued retries, only
+  N worker goroutines exist.
+- **Natural backpressure** — if workers are busy, new tasks wait in the
+  channel buffer rather than spawning more goroutines.
+- **Independent results** — each worker records its own delivery result
+  in the per-webhook database without coordination.
+- **Graceful shutdown** — cancel the context, workers finish their
+  current task and exit. `WaitGroup.Wait()` ensures clean shutdown.
+
+**Recovery paths:**
+
+1. **Startup recovery:** When the engine starts, it scans all per-webhook
+   databases for `pending` and `retrying` deliveries. Pending deliveries
+   are sent to the delivery channel; retrying deliveries get backoff
+   timers scheduled.
+2. **Periodic retry sweep (DB-mediated fallback):** Every 60 seconds the
+   engine scans for `retrying` deliveries whose backoff period has
+   elapsed. This catches "orphaned" retries — ones whose in-memory timer
+   was dropped because the retry channel was full. The database is the
+   durable fallback that ensures no retry is permanently lost, even under
+   extreme backpressure.
+
+### Circuit Breaker (HTTP Targets with Retries)
+
+HTTP targets with `max_retries` > 0 are protected by a **per-target circuit breaker** that
+prevents hammering a down target with repeated failed delivery attempts.
+The circuit breaker is in-memory only and resets on restart (which is
+fine — startup recovery rescans the database anyway).
+
+**States:**
+
+| State       | Behavior |
+| ----------- | -------- |
+| **Closed**  | Normal operation. Deliveries flow through. Consecutive failures are counted. |
+| **Open**    | Target appears down. Deliveries are skipped and rescheduled for after the cooldown. |
+| **Half-Open** | Cooldown expired. One probe delivery is allowed to test if the target has recovered. |
+
+**Transitions:**
+
+```
+     success              ┌──────────┐
+   ┌────────────────────► │  Closed  │ ◄─── probe succeeds
+   │                      │ (normal) │
+   │                      └────┬─────┘
+   │                           │ N consecutive failures
+   │                           ▼
+   │                      ┌──────────┐
+   │                      │   Open   │ ◄─── probe fails
+   │                      │(tripped) │
+   │                      └────┬─────┘
+   │                           │ cooldown expires
+   │                           ▼
+   │                      ┌──────────┐
+   └──────────────────────│Half-Open │
+                          │ (probe)  │
+                          └──────────┘
+```
+
+**Defaults:**
+
+- **Failure threshold:** 5 consecutive failures before opening
+- **Cooldown:** 30 seconds in open state before probing
+
+**Scope:** Circuit breakers only apply to **HTTP targets with
+`max_retries` > 0**. Fire-and-forget HTTP targets (`max_retries` == 0),
+database targets (local operations), and log targets (stdout) do not use
+circuit breakers.
+
+When a circuit is open and a new delivery arrives, the engine marks the
+delivery as `retrying` and schedules a retry timer for after the
+remaining cooldown period. This ensures no deliveries are lost — they're
+just delayed until the target is healthy again.
+
 ### Rate Limiting
 
 Global rate limiting middleware (e.g., per-IP throttling applied at the
@@ -515,6 +655,8 @@ against a misbehaving sender).
 | `POST` | `/source/{id}/edit`      | Edit webhook submission |
 | `POST` | `/source/{id}/delete`    | Delete webhook |
 | `GET`  | `/source/{id}/logs`      | Webhook event logs |
+| `POST` | `/source/{id}/entrypoints` | Add entrypoint to webhook |
+| `POST` | `/source/{id}/targets`   | Add target to webhook |
 
 #### Infrastructure Endpoints
 
@@ -548,50 +690,55 @@ webhooker/
 │   └── main.go               # Entry point: sets globals, wires fx
 ├── internal/
 │   ├── config/
-│   │   └── config.go          # Configuration loading via pkg/config
+│   │   └── config.go          # Configuration loading from environment variables
 │   ├── database/
 │   │   ├── base_model.go      # BaseModel with UUID primary keys
 │   │   ├── database.go        # GORM connection, migrations, admin seed
-│   │   ├── models.go          # AutoMigrate for all models
+│   │   ├── models.go          # AutoMigrate for config-tier models
+│   │   ├── model_setting.go   # Setting entity (key-value app config)
 │   │   ├── model_user.go      # User entity
-│   │   ├── model_processor.go # Webhook entity (to be renamed)
+│   │   ├── model_webhook.go    # Webhook entity
-│   │   ├── model_webhook.go   # Entrypoint entity (to be renamed)
+│   │   ├── model_entrypoint.go # Entrypoint entity
 │   │   ├── model_target.go    # Target entity and TargetType enum
-│   │   ├── model_event.go     # Event entity
+│   │   ├── model_event.go     # Event entity (per-webhook DB)
-│   │   ├── model_delivery.go  # Delivery entity and DeliveryStatus enum
+│   │   ├── model_delivery.go  # Delivery entity (per-webhook DB)
-│   │   ├── model_delivery_result.go  # DeliveryResult entity
+│   │   ├── model_delivery_result.go  # DeliveryResult entity (per-webhook DB)
 │   │   ├── model_apikey.go    # APIKey entity
-│   │   └── password.go        # Argon2id hashing and verification
+│   │   ├── password.go        # Argon2id hashing and verification
+│   │   └── webhook_db_manager.go  # Per-webhook DB lifecycle manager
 │   ├── globals/
 │   │   └── globals.go         # Build-time variables (appname, version, arch)
+│   ├── delivery/
+│   │   ├── engine.go          # Event-driven delivery engine (channel + timer based)
+│   │   ├── circuit_breaker.go # Per-target circuit breaker for HTTP targets with retries
+│   │   └── ssrf.go            # SSRF prevention (IP validation, safe HTTP transport)
 │   ├── handlers/
 │   │   ├── handlers.go        # Base handler struct, JSON helpers, template rendering
 │   │   ├── auth.go            # Login, logout handlers
 │   │   ├── healthcheck.go     # Health check handler
 │   │   ├── index.go           # Index page handler
 │   │   ├── profile.go         # User profile handler
-│   │   ├── source_management.go  # Webhook CRUD handlers (stubs)
+│   │   ├── source_management.go  # Webhook CRUD handlers
 │   │   └── webhook.go         # Webhook receiver handler
 │   ├── healthcheck/
 │   │   └── healthcheck.go     # Health check service (uptime, version)
 │   ├── logger/
 │   │   └── logger.go          # slog setup with TTY detection
 │   ├── middleware/
-│   │   └── middleware.go      # Logging, CORS, Auth, Metrics, MetricsAuth
+│   │   ├── middleware.go      # Logging, CORS, Auth, Metrics, MetricsAuth, SecurityHeaders, MaxBodySize
+│   │   ├── csrf.go            # CSRF protection middleware (session-based tokens)
+│   │   └── ratelimit.go       # Per-IP rate limiting middleware (login endpoint)
 │   ├── server/
 │   │   ├── server.go          # Server struct, fx lifecycle, signal handling
 │   │   ├── http.go            # HTTP server setup with timeouts
 │   │   └── routes.go          # All route definitions
 │   └── session/
 │       └── session.go         # Cookie-based session management
-├── pkg/config/                # Reusable multi-environment config library
 ├── static/
 │   ├── static.go              # //go:embed directive
 │   ├── css/style.css          # Custom stylesheet (system font stack, card effects, layout)
 │   └── js/app.js              # Client-side JavaScript (minimal bootstrap)
 ├── templates/                 # Go HTML templates (base, index, login, etc.)
-├── configs/
-│   └── config.yaml.example    # Example configuration file
 ├── Dockerfile                 # Multi-stage: build + check, then Alpine runtime
 ├── Makefile                   # fmt, lint, test, check, build, docker targets
 ├── go.mod / go.sum
@@ -604,16 +751,26 @@ Components are wired via Uber fx in this order:
 
 1. `globals.New` — Build-time variables (appname, version, arch)
 2. `logger.New` — Structured logging (slog with TTY detection)
-3. `config.New` — Configuration loading (pkg/config + environment)
+3. `config.New` — Configuration loading (environment variables)
-4. `database.New` — SQLite connection, migrations, admin user seed
+4. `database.New` — Main SQLite connection, config migrations, admin
-5. `healthcheck.New` — Health check service
+   user seed
-6. `session.New` — Cookie-based session manager
+5. `database.NewWebhookDBManager` — Per-webhook event database
-7. `handlers.New` — HTTP handlers
+   lifecycle manager
-8. `middleware.New` — HTTP middleware
+6. `healthcheck.New` — Health check service
-9. `server.New` — HTTP server and router
+7. `session.New` — Cookie-based session manager (key from database)
+8. `handlers.New` — HTTP handlers
+9. `middleware.New` — HTTP middleware
+10. `delivery.New` — Event-driven delivery engine
+11. `delivery.Engine` → `handlers.DeliveryNotifier` — interface bridge
+12. `server.New` — HTTP server and router
 
-The server starts via `fx.Invoke(func(*server.Server) {})` which
+The server starts via `fx.Invoke(func(*server.Server, *delivery.Engine)
-triggers the fx lifecycle hooks in dependency order.
+{})` which triggers the fx lifecycle hooks in dependency order. The
+`DeliveryNotifier` interface allows the webhook handler to send
+self-contained `DeliveryTask` slices to the engine without a direct
+package dependency. Each task carries all target config and event data
+inline (for bodies ≤16KB), so the engine can deliver without reading
+from any database — it only writes to record results.
 
 ### Middleware Stack
 
@@ -621,14 +778,21 @@ Applied to all routes in this order:
 
 1. **Recoverer** — Panic recovery (chi built-in)
 2. **RequestID** — Generate unique request IDs (chi built-in)
-3. **Logging** — Structured request logging (method, URL, status,
+3. **SecurityHeaders** — Production security headers on every response
+   (HSTS, X-Content-Type-Options, X-Frame-Options, CSP, Referrer-Policy,
+   Permissions-Policy)
+4. **Logging** — Structured request logging (method, URL, status,
    latency, remote IP, user agent, request ID)
-4. **Metrics** — Prometheus HTTP metrics (if `METRICS_USERNAME` is set)
+5. **Metrics** — Prometheus HTTP metrics (if `METRICS_USERNAME` is set)
-5. **CORS** — Cross-origin resource sharing headers
+6. **CORS** — Cross-origin resource sharing headers
-6. **Timeout** — 60-second request timeout
+7. **Timeout** — 60-second request timeout
-7. **Sentry** — Error reporting to Sentry (if `SENTRY_DSN` is set;
+8. **Sentry** — Error reporting to Sentry (if `SENTRY_DSN` is set;
    configured with `Repanic: true` so panics still reach Recoverer)
 
+Additionally, form endpoints (`/pages`, `/sources`, `/source/*`) apply a
+**MaxBodySize** middleware that limits POST/PUT/PATCH request bodies to
+1 MB using `http.MaxBytesReader`, preventing oversized form submissions.
+
 ### Authentication
 
 - **Web UI:** Cookie-based sessions using gorilla/sessions with
@@ -643,7 +807,24 @@ Applied to all routes in this order:
 
 - Passwords hashed with Argon2id (64 MB memory cost)
 - Session cookies are HttpOnly, SameSite Lax, Secure (prod only)
-- Session key must be a 32-byte base64-encoded value
+- Session regeneration on login to prevent session fixation attacks
+- Session key is a 32-byte value auto-generated on first startup and
+  stored in the database
+- Production security headers on all responses: HSTS, X-Content-Type-Options
+  (`nosniff`), X-Frame-Options (`DENY`), Content-Security-Policy, Referrer-Policy,
+  and Permissions-Policy
+- Request body size limits (1 MB) on all form POST endpoints
+- **CSRF protection** on all state-changing forms (session-based tokens
+  with constant-time comparison). Applied to `/pages`, `/sources`,
+  `/source`, and `/user` routes. Excluded from `/webhook` (inbound
+  webhook POSTs) and `/api` (stateless API)
+- **SSRF prevention** for HTTP delivery targets: private/reserved IP
+  ranges (RFC 1918, loopback, link-local, cloud metadata) are blocked
+  both at target creation time (URL validation) and at delivery time
+  (custom HTTP transport with SSRF-safe dialer that validates resolved
+  IPs before connecting, preventing DNS rebinding attacks)
+- **Login rate limiting**: per-IP rate limiter on the login endpoint
+  (5 attempts per minute per IP) to prevent brute-force attacks
 - Prometheus metrics behind basic auth
 - Static assets embedded in binary (no filesystem access needed at
   runtime)
@@ -657,8 +838,9 @@ The Dockerfile uses a multi-stage build:
 1. **Builder stage** (Debian-based `golang:1.24`) — installs
    golangci-lint, downloads dependencies, copies source, runs `make
    check` (format verification, linting, tests, compilation).
-2. **Runtime stage** (`alpine:3.21`) — copies the binary, runs as
+2. **Runtime stage** (`alpine:3.21`) — copies the binary, creates the
-   non-root user, exposes port 8080, includes a health check.
+   `/data` directory for all SQLite databases, runs as non-root user,
+   exposes port 8080, includes a health check.
 
 The builder uses Debian rather than Alpine because GORM's SQLite
 dialect pulls in CGO-dependent headers at compile time. The runtime
@@ -669,58 +851,86 @@ linted, tested, and compiled.
 
 ## TODO
 
-### Phase 1: Core Webhook Engine
+### Completed: Code Quality (Phase 1 of MVP)
-- [ ] Implement webhook reception and event storage at `/webhook/{uuid}`
+- [x] Rename Processor → Webhook, Webhook → Entrypoint in code
-- [ ] Build event processing and target delivery engine
+      ([#12](https://git.eeqj.de/sneak/webhooker/issues/12))
-- [ ] Implement HTTP target type (fire-and-forget POST)
+- [x] Embed templates via `//go:embed`
-- [ ] Implement retry target type (exponential backoff)
+      ([#7](https://git.eeqj.de/sneak/webhooker/issues/7))
-- [ ] Implement database target type (store only)
+- [x] Use `slog.LevelVar` for dynamic log level switching
-- [ ] Implement log target type (console output)
+      ([#8](https://git.eeqj.de/sneak/webhooker/issues/8))
+- [x] Simplify configuration to prefer environment variables
+      ([#10](https://git.eeqj.de/sneak/webhooker/issues/10))
+- [x] Remove redundant `godotenv/autoload` import
+      ([#11](https://git.eeqj.de/sneak/webhooker/issues/11))
+- [x] Implement authentication middleware for protected routes
+      ([#9](https://git.eeqj.de/sneak/webhooker/issues/9))
+- [x] Replace Bootstrap with Tailwind CSS + Alpine.js
+      ([#4](https://git.eeqj.de/sneak/webhooker/issues/4))
+
+### Completed: Core Webhook Engine (Phase 2 of MVP)
+- [x] Implement webhook reception and event storage at `/webhook/{uuid}`
+- [x] Build event processing and target delivery engine
+- [x] Implement HTTP target type (fire-and-forget with max_retries=0,
+      retries with exponential backoff when max_retries>0)
+- [x] Implement database target type (store events in per-webhook DB)
+- [x] Implement log target type (console output)
+- [x] Webhook management pages (list, create, edit, delete)
+- [x] Webhook request log viewer with pagination
+- [x] Entrypoint and target management UI
+
+### Completed: Per-Webhook Event Databases
+- [x] Split into main application DB + per-webhook event DBs
+- [x] Per-webhook database lifecycle management (create on webhook
+      creation, delete on webhook removal)
+- [x] `WebhookDBManager` component with lazy connection pooling
+- [x] Event-driven delivery engine (channel notifications + timer-based retries)
+- [x] Self-contained delivery tasks: in the ≤16KB happy path, the engine
+      delivers without reading from any database — target config, event
+      headers, and body are all carried inline in the channel notification.
+      The engine only touches the DB to record results (success/failure).
+      Large bodies (≥16KB) are fetched from the per-webhook DB on demand.
+- [x] Database target type marks delivery as immediately successful
+      (events are already in the per-webhook DB)
+- [x] Parallel fan-out: all targets for an event are delivered via
+      the bounded worker pool (no goroutine-per-target)
+- [x] Circuit breaker for HTTP targets with retries: tracks consecutive
+      failures per target, opens after 5 failures (30s cooldown),
+      half-open probe to test recovery
+
+### Completed: Security Hardening
+- [x] Security headers middleware (HSTS, CSP, X-Frame-Options,
+      X-Content-Type-Options, Referrer-Policy, Permissions-Policy)
+      ([#34](https://git.eeqj.de/sneak/webhooker/issues/34))
+- [x] Session regeneration on login to prevent session fixation
+      ([#38](https://git.eeqj.de/sneak/webhooker/issues/38))
+- [x] Request body size limits on form endpoints
+      ([#39](https://git.eeqj.de/sneak/webhooker/issues/39))
+
+### Remaining: Core Features
 - [ ] Per-webhook rate limiting in the receiver handler
 - [ ] Webhook signature verification (GitHub, Stripe formats)
-
+- [x] CSRF protection for forms
-### Phase 2: Database Separation
+      ([#35](https://git.eeqj.de/sneak/webhooker/issues/35))
-- [ ] Split into main application DB + per-webhook event DBs
+- [x] SSRF prevention for HTTP delivery targets
-- [ ] Automatic event retention cleanup based on `retention_days`
+      ([#36](https://git.eeqj.de/sneak/webhooker/issues/36))
-- [ ] Per-webhook database lifecycle management (create on webhook
+- [x] Login rate limiting (per-IP brute-force protection)
-      creation, delete on webhook removal)
+      ([#37](https://git.eeqj.de/sneak/webhooker/issues/37))
-
-### Phase 3: Security & Infrastructure
-- [ ] Implement authentication middleware for protected routes
-      ([#9](https://git.eeqj.de/sneak/webhooker/issues/9))
-- [ ] Security headers (HSTS, CSP, X-Frame-Options)
-- [ ] CSRF protection for forms
 - [ ] Session expiration and "remember me"
 - [ ] Password change/reset flow
 - [ ] API key authentication for programmatic access
-
-### Phase 4: Web UI
-- [ ] Webhook management pages (list, create, edit, delete)
-- [ ] Webhook request log viewer with filtering
-- [ ] Delivery status and retry management UI
 - [ ] Manual event redelivery
 - [ ] Analytics dashboard (success rates, response times)
-- [ ] Replace Bootstrap with Tailwind CSS + Alpine.js
+- [ ] Delivery status and retry management UI
-      ([#4](https://git.eeqj.de/sneak/webhooker/issues/4))
 
-### Phase 5: REST API
+### Remaining: Event Maintenance
+- [ ] Automatic event retention cleanup based on `retention_days`
+
+### Remaining: REST API
 - [ ] RESTful CRUD for webhooks, entrypoints, targets
 - [ ] Event viewing and filtering endpoints
 - [ ] Event redelivery endpoint
 - [ ] OpenAPI specification
 
-### Phase 6: Code Quality
-- [ ] Rename Processor → Webhook, Webhook → Entrypoint in code
-      ([#12](https://git.eeqj.de/sneak/webhooker/issues/12))
-- [ ] Embed templates via `//go:embed`
-      ([#7](https://git.eeqj.de/sneak/webhooker/issues/7))
-- [ ] Use `slog.LevelVar` for dynamic log level switching
-      ([#8](https://git.eeqj.de/sneak/webhooker/issues/8))
-- [ ] Simplify configuration to prefer environment variables
-      ([#10](https://git.eeqj.de/sneak/webhooker/issues/10))
-- [ ] Remove redundant `godotenv/autoload` import
-      ([#11](https://git.eeqj.de/sneak/webhooker/issues/11))
-
 ### Future
 - [ ] Email delivery target type
 - [ ] SNS, S3, Slack delivery targets

cmd/webhooker/main.go

@@ -1,11 +1,10 @@
 package main
 
 import (
-	"runtime"
-
 	"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"
@@ -24,7 +23,6 @@ var (
 func main() {
 	globals.Appname = appname
 	globals.Version = version
-	globals.Buildarch = runtime.GOARCH
 
 	fx.New(
 		fx.Provide(
@@ -32,12 +30,17 @@ func main() {
 			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) {}),
+		fx.Invoke(func(*server.Server, *delivery.Engine) {}),
 	).Run()
 }

configs/config.yaml.example

@@ -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

@@ -1,6 +1,6 @@
 module sneak.berlin/go/webhooker
 
-go 1.23.0
+go 1.24.0
 
 toolchain go1.24.1
 
@@ -14,35 +14,23 @@ require (
 	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/afero v1.14.0
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/fx v1.20.1
 	golang.org/x/crypto v0.38.0
+	golang.org/x/time v0.14.0
 	gorm.io/driver/sqlite v1.5.4
 	gorm.io/gorm v1.25.5
 	modernc.org/sqlite v1.28.0
-	sneak.berlin/go/webhooker/pkg/config v0.0.0-00010101000000-000000000000
 )
 
 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/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/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/kr/text v0.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
@@ -53,25 +41,15 @@ require (
 	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
-	go.opencensus.io v0.24.0 // 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/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/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/uint128 v1.2.0 // indirect
@@ -84,5 +62,3 @@ require (
 	modernc.org/strutil v1.1.3 // indirect
 	modernc.org/token v1.0.1 // indirect
 )
-
-replace sneak.berlin/go/webhooker/pkg/config => ./pkg/config

go.sum

@@ -1,28 +1,11 @@
-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=
 github.com/99designs/basicauth-go v0.0.0-20230316000542-bf6f9cbbf0f8 h1:nMpu1t4amK3vJWBibQ5X/Nv0aXL+b69TQf2uK5PH7Go=
 github.com/99designs/basicauth-go v0.0.0-20230316000542-bf6f9cbbf0f8/go.mod h1:3cARGAK9CfW3HoxCy1a0G4TKrdiKke8ftOMEOHyySYs=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/aws/aws-sdk-go v1.50.0 h1:HBtrLeO+QyDKnc3t1+5DR1RxodOHCGr8ZcrHudpv7jI=
-github.com/aws/aws-sdk-go v1.50.0/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/benbjohnson/clock v1.3.0 h1:ip6w0uFQkncKQ979AypyG0ER7mqUSBdKLOgAle/AT8A=
 github.com/benbjohnson/clock v1.3.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -30,10 +13,6 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/getsentry/sentry-go v0.25.0 h1:q6Eo+hS+yoJlTO3uu/azhQadsD8V+jQn2D8VvX1eOyI=
 github.com/getsentry/sentry-go v0.25.0/go.mod h1:lc76E2QywIyW8WuBnwl8Lc4bkmQH4+w1gwTf25trprY=
 github.com/go-chi/chi v1.5.5 h1:vOB/HbEMt9QqBqErz07QehcOKHaWFtuj87tTDVz2qXE=
@@ -42,30 +21,7 @@ github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
 github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
 github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
 github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
@@ -73,15 +29,8 @@ github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
 github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 h1:Xim43kblpZXfIBQsbuBVKCudVG457BR2GZFIz3uw3hQ=
 github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=
-github.com/google/s2a-go v0.1.7 h1:60BLSyTrOV4/haCDW4zb1guZItoSq8foHCXrAnjBo/o=
-github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/googleapis/enterprise-certificate-proxy v0.3.2 h1:Vie5ybvEvT75RniqhfFxPRy3Bf7vr3h0cechB90XaQs=
-github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0=
-github.com/googleapis/gax-go/v2 v2.12.0 h1:A+gCJKdRfqXkr+BIRGtZLibNXf0m1f9E4HG56etFpas=
-github.com/googleapis/gax-go/v2 v2.12.0/go.mod h1:y+aIqrI5eb1YGMVJfuV3185Ts/D7qKpsEkdD5+I6QGU=
 github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
 github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
 github.com/gorilla/sessions v1.4.0 h1:kpIYOp/oi6MG/p5PgxApU8srsSw9tuFbt46Lt7auzqQ=
@@ -90,10 +39,6 @@ github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
-github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
-github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
-github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
-github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
@@ -117,7 +62,6 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.18.0 h1:HzFfmkOzH5Q8L8G+kSJKUx5dtG87sewO+FoDDqP5Tbk=
 github.com/prometheus/client_golang v1.18.0/go.mod h1:T+GXkCk5wSJyOqMIzVgvvjFDlkOQntgjkJWKrN5txjA=
-github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw=
 github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI=
 github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lneoxM=
@@ -130,21 +74,12 @@ github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjR
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/slok/go-http-metrics v0.11.0 h1:ABJUpekCZSkQT1wQrFvS4kGbhea/w6ndFJaWJeh3zL0=
 github.com/slok/go-http-metrics v0.11.0/go.mod h1:ZGKeYG1ET6TEJpQx18BqAJAvxw9jBAZXCHU7bWQqqAc=
-github.com/spf13/afero v1.14.0 h1:9tH6MapGnn/j0eb0yIXiLjERO8RB6xIVZRDCX7PtqWA=
-github.com/spf13/afero v1.14.0/go.mod h1:acJQ8t0ohCGuMN3O+Pv0V0hgMxNYDlvdk+VTfyZmbYo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
-github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/objx v0.5.1 h1:4VhoImhV/Bm0ToFkXFi8hXNXwpDRZ/ynw3amt82mzq0=
 github.com/stretchr/objx v0.5.1/go.mod h1:/iHQpkQwBD6DLUmQ4pE+s1TXdob1mORJ4/UFdrifcy0=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
-go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/dig v1.17.0 h1:5Chju+tUvcC+N7N6EV08BJz41UZuO3BmHcN4A287ZLI=
@@ -157,105 +92,34 @@ go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
 go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
 go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY=
 go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.38.0 h1:jt+WWG8IZlBnVbomuhg2Mdq0+BBQaHbtqHEFEigjUV8=
 golang.org/x/crypto v0.38.0/go.mod h1:MvrbAqul58NNYPKnOra203SB9vpuZW0e+RRZV+Ggqjw=
-golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
-golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
-golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
 golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
-golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.15.0 h1:s8pnnxNVzjWyrvYdFUQq5llS1PX2zhPXmccZv99h7uQ=
-golang.org/x/oauth2 v0.15.0/go.mod h1:q48ptWNTY5XWf+JNten23lcvHpLJ0ZSxF5ttTHKVCAM=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
 golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
 golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
 golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
+golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
-golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
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 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/api v0.153.0 h1:N1AwGhielyKFaUqH07/ZSIQR3uNPcV7NVw0vj+j4iR4=
-google.golang.org/api v0.153.0/go.mod h1:3qNJX5eOmhiWYc67jRA/3GsDw97UFb5ivv7Y2PrriAY=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
-google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
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-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
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-google.golang.org/genproto v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:J7XzRzVy1+IPwWHZUzoD0IccYZIrXILAQpc+Qy9CMhY=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 h1:JpwMPBpFN3uKhdaekDpiNlImDdkUAyiJ6ez/uxGaUSo=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:0xJLfVdJqpAPl8tDg1ujOCGzx6LFLttXT5NhllGOXY4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f h1:ultW7fxlIvee4HYrtnaRPon9HpEgFk5zYpmfMgtKB5I=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231120223509-83a465c0220f/go.mod h1:L9KNLi232K1/xB6f7AlSX692koaRnKaWSR0stBki0Yc=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
-google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
 google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 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=
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-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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 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

@@ -10,7 +10,6 @@ import (
 	"go.uber.org/fx"
 	"sneak.berlin/go/webhooker/internal/globals"
 	"sneak.berlin/go/webhooker/internal/logger"
-	pkgconfig "sneak.berlin/go/webhooker/pkg/config"
 
 	// Populates the environment from a ./.env file automatically for
 	// development configuration. Kept in one place only (here).
@@ -22,9 +21,6 @@ const (
 	EnvironmentDev = "dev"
 	// 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="
 )
 
 // nolint:revive // ConfigParams is a standard fx naming convention
@@ -35,20 +31,16 @@ type ConfigParams struct {
 }
 
 type Config struct {
-	DBURL            string
+	DataDir         string
-	Debug            bool
+	Debug           bool
-	MaintenanceMode  bool
+	MaintenanceMode bool
-	DevelopmentMode  bool
+	Environment     string
-	DevAdminUsername string
+	MetricsPassword string
-	DevAdminPassword string
+	MetricsUsername string
-	Environment      string
+	Port            int
-	MetricsPassword  string
+	SentryDSN       string
-	MetricsUsername  string
+	params          *ConfigParams
-	Port             int
+	log             *slog.Logger
-	SentryDSN        string
-	SessionKey       string
-	params           *ConfigParams
-	log              *slog.Logger
 }
 
 // IsDev returns true if running in development environment
@@ -61,38 +53,30 @@ func (c *Config) IsProd() bool {
 	return c.Environment == EnvironmentProd
 }
 
-// envString returns the env var value if set, otherwise falls back to pkgconfig.
+// envString returns the value of the named environment variable, or
-func envString(envKey, configKey string) string {
+// an empty string if not set.
-	if v := os.Getenv(envKey); v != "" {
+func envString(key string) string {
-		return v
+	return os.Getenv(key)
-	}
-	return pkgconfig.GetString(configKey)
 }
 
-// envSecretString returns the env var value if set, otherwise falls back to pkgconfig secrets.
+// envBool returns the value of the named environment variable parsed as a
-func envSecretString(envKey, configKey string) string {
+// boolean. Returns defaultValue if not set.
-	if v := os.Getenv(envKey); v != "" {
+func envBool(key string, defaultValue bool) bool {
-		return v
+	if v := os.Getenv(key); v != "" {
-	}
-	return pkgconfig.GetSecretString(configKey)
-}
-
-// envBool returns the env var value parsed as bool, otherwise falls back to pkgconfig.
-func envBool(envKey, configKey string) bool {
-	if v := os.Getenv(envKey); v != "" {
 		return strings.EqualFold(v, "true") || v == "1"
 	}
-	return pkgconfig.GetBool(configKey)
+	return defaultValue
 }
 
-// envInt returns the env var value parsed as int, otherwise falls back to pkgconfig.
+// envInt returns the value of the named environment variable parsed as an
-func envInt(envKey, configKey string, defaultValue ...int) int {
+// integer. Returns defaultValue if not set or unparseable.
-	if v := os.Getenv(envKey); v != "" {
+func envInt(key string, defaultValue int) int {
+	if v := os.Getenv(key); v != "" {
 		if i, err := strconv.Atoi(v); err == nil {
 			return i
 		}
 	}
-	return pkgconfig.GetInt(configKey, defaultValue...)
+	return defaultValue
 }
 
 // nolint:revive // lc parameter is required by fx even if unused
@@ -111,40 +95,28 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 			EnvironmentDev, EnvironmentProd, environment)
 	}
 
-	// Set the environment in the config package (for fallback resolution)
+	// Load configuration values from environment variables
-	pkgconfig.SetEnvironment(environment)
-
-	// Load configuration values — env vars take precedence over config.yaml
 	s := &Config{
-		DBURL:            envString("DBURL", "dburl"),
+		DataDir:         envString("DATA_DIR"),
-		Debug:            envBool("DEBUG", "debug"),
+		Debug:           envBool("DEBUG", false),
-		MaintenanceMode:  envBool("MAINTENANCE_MODE", "maintenanceMode"),
+		MaintenanceMode: envBool("MAINTENANCE_MODE", false),
-		DevelopmentMode:  envBool("DEVELOPMENT_MODE", "developmentMode"),
+		Environment:     environment,
-		DevAdminUsername: envString("DEV_ADMIN_USERNAME", "devAdminUsername"),
+		MetricsUsername: envString("METRICS_USERNAME"),
-		DevAdminPassword: envString("DEV_ADMIN_PASSWORD", "devAdminPassword"),
+		MetricsPassword: envString("METRICS_PASSWORD"),
-		Environment:      environment,
+		Port:            envInt("PORT", 8080),
-		MetricsUsername:  envString("METRICS_USERNAME", "metricsUsername"),
+		SentryDSN:       envString("SENTRY_DSN"),
-		MetricsPassword:  envString("METRICS_PASSWORD", "metricsPassword"),
+		log:             log,
-		Port:             envInt("PORT", "port", 8080),
+		params:          &params,
-		SentryDSN:        envSecretString("SENTRY_DSN", "sentryDSN"),
-		SessionKey:       envSecretString("SESSION_KEY", "sessionKey"),
-		log:              log,
-		params:           &params,
 	}
 
-	// Validate database URL
+	// Set default DataDir based on environment. All SQLite databases
-	if s.DBURL == "" {
+	// (main application DB and per-webhook event DBs) live here.
-		return nil, fmt.Errorf("database URL (DBURL) is required")
+	if s.DataDir == "" {
-	}
+		if s.IsProd() {
-
+			s.DataDir = "/data"
-	// In production, require session key
+		} else {
-	if s.IsProd() && s.SessionKey == "" {
+			s.DataDir = "./data"
-		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")
 	}
 
 	if s.Debug {
@@ -157,8 +129,7 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 		"port", s.Port,
 		"debug", s.Debug,
 		"maintenanceMode", s.MaintenanceMode,
-		"developmentMode", s.DevelopmentMode,
+		"dataDir", s.DataDir,
-		"hasSessionKey", s.SessionKey != "",
 		"hasSentryDSN", s.SentryDSN != "",
 		"hasMetricsAuth", s.MetricsUsername != "" && s.MetricsPassword != "",
 	)

internal/config/config_test.go

@@ -4,66 +4,14 @@ import (
 	"os"
 	"testing"
 
-	"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/globals"
 	"sneak.berlin/go/webhooker/internal/logger"
-	pkgconfig "sneak.berlin/go/webhooker/pkg/config"
 )
 
-// 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
@@ -76,6 +24,7 @@ func TestEnvironmentConfig(t *testing.T) {
 		{
 			name:        "default is dev",
 			envValue:    "",
+			envVars:     map[string]string{},
 			expectError: false,
 			isDev:       true,
 			isProd:      false,
@@ -83,17 +32,15 @@ func TestEnvironmentConfig(t *testing.T) {
 		{
 			name:        "explicit dev",
 			envValue:    "dev",
+			envVars:     map[string]string{},
 			expectError: false,
 			isDev:       true,
 			isProd:      false,
 		},
 		{
-			name:     "explicit prod with session key",
+			name:        "explicit prod",
-			envValue: "prod",
+			envValue:    "prod",
-			envVars: map[string]string{
+			envVars:     map[string]string{},
-				"SESSION_KEY": "cHJvZC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
-				"DBURL":       "postgres://prod:prod@localhost:5432/prod?sslmode=require",
-			},
 			expectError: false,
 			isDev:       false,
 			isProd:      true,
@@ -101,21 +48,19 @@ func TestEnvironmentConfig(t *testing.T) {
 		{
 			name:        "invalid environment",
 			envValue:    "staging",
+			envVars:     map[string]string{},
 			expectError: true,
 		},
 	}
 
 	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
 			if tt.envValue != "" {
 				os.Setenv("WEBHOOKER_ENVIRONMENT", tt.envValue)
 				defer os.Unsetenv("WEBHOOKER_ENVIRONMENT")
+			} else {
+				os.Unsetenv("WEBHOOKER_ENVIRONMENT")
 			}
 
 			// Set additional environment variables
@@ -159,142 +104,3 @@ func TestEnvironmentConfig(t *testing.T) {
 		})
 	}
 }
-
-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=",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			// Create in-memory filesystem with test config
-			fs := afero.NewMemMapFs()
-
-			// 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.Provide(
-						globals.New,
-						logger.New,
-						New,
-					),
-					fx.Populate(&cfg),
-				)
-				assert.Error(t, app.Err())
-			} else {
-				// Use fxtest for success cases
-				var cfg *Config
-				app := fxtest.New(
-					t,
-					fx.Provide(
-						globals.New,
-						logger.New,
-						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)
-				} else {
-					assert.Equal(t, tt.expectedKey, cfg.SessionKey)
-				}
-			}
-		})
-	}
-}

internal/database/database.go

@@ -2,8 +2,14 @@ package database
 
 import (
 	"context"
+	"crypto/rand"
 	"database/sql"
+	"encoding/base64"
+	"errors"
+	"fmt"
 	"log/slog"
+	"os"
+	"path/filepath"
 
 	"go.uber.org/fx"
 	"gorm.io/driver/sqlite"
@@ -45,13 +51,17 @@ func New(lc fx.Lifecycle, params DatabaseParams) (*Database, error) {
 }
 
 func (d *Database) connect() error {
-	dbURL := d.params.Config.DBURL
+	// Ensure the data directory exists before opening the database.
-	if dbURL == "" {
+	dataDir := d.params.Config.DataDir
-		// Default to SQLite for development
+	if err := os.MkdirAll(dataDir, 0750); err != nil {
-		dbURL = "file:webhooker.db?cache=shared&mode=rwc"
+		return fmt.Errorf("creating data directory %s: %w", dataDir, err)
 	}
 
-	// First, open the database with the pure Go driver
+	// 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)
@@ -68,7 +78,7 @@ func (d *Database) connect() error {
 	}
 
 	d.db = db
-	d.log.Info("connected to database", "database", dbURL)
+	d.log.Info("connected to database", "path", dbPath)
 
 	// Run migrations
 	return d.migrate()
@@ -118,11 +128,11 @@ func (d *Database) migrate() error {
 			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
@@ -142,3 +152,35 @@ func (d *Database) close() error {
 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
+	}
+	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, 32)
+	if _, err := rand.Read(keyBytes); err != nil {
+		return "", fmt.Errorf("failed to generate session key: %w", err)
+	}
+	encoded := base64.StdEncoding.EncodeToString(keyBytes)
+
+	setting = Setting{
+		Key:   "session_key",
+		Value: encoded,
+	}
+	if err := d.db.Create(&setting).Error; 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
+}

internal/database/database_test.go

@@ -4,45 +4,19 @@ import (
 	"context"
 	"testing"
 
-	"github.com/spf13/afero"
 	"go.uber.org/fx/fxtest"
 	"sneak.berlin/go/webhooker/internal/config"
 	"sneak.berlin/go/webhooker/internal/globals"
 	"sneak.berlin/go/webhooker/internal/logger"
-	pkgconfig "sneak.berlin/go/webhooker/pkg/config"
 )
 
 func TestDatabaseConnection(t *testing.T) {
-	// Set up in-memory config so the test does not depend on config.yaml on disk
-	fs := afero.NewMemMapFs()
-	testConfigYAML := `
-environments:
-  dev:
-    config:
-      port: 8080
-      debug: false
-      maintenanceMode: false
-      developmentMode: true
-      environment: dev
-      dburl: "file::memory:?cache=shared"
-    secrets:
-      sessionKey: d2ViaG9va2VyLWRldi1zZXNzaW9uLWtleS1pbnNlY3VyZSE=
-      sentryDSN: ""
-configDefaults:
-  port: 8080
-`
-	if err := afero.WriteFile(fs, "config.yaml", []byte(testConfigYAML), 0644); err != nil {
-		t.Fatalf("Failed to write test config: %v", err)
-	}
-	pkgconfig.SetFs(fs)
-
 	// Set up test dependencies
 	lc := fxtest.NewLifecycle(t)
 
 	// Create globals
 	globals.Appname = "webhooker-test"
 	globals.Version = "test"
-	globals.Buildarch = "test"
 
 	g, err := globals.New(lc)
 	if err != nil {
@@ -55,18 +29,12 @@ configDefaults:
 		t.Fatalf("Failed to create logger: %v", err)
 	}
 
-	// Create config
+	// Create config with DataDir pointing to a temp directory
-	c, err := config.New(lc, config.ConfigParams{
+	c := &config.Config{
-		Globals: g,
+		DataDir:     t.TempDir(),
-		Logger:  l,
+		Environment: "dev",
-	})
-	if err != nil {
-		t.Fatalf("Failed to create config: %v", err)
 	}
 
-	// Override DBURL to use a temp file-based SQLite (in-memory doesn't persist across connections)
-	c.DBURL = "file:" + t.TempDir() + "/test.db?cache=shared&mode=rwc"
-
 	// Create database
 	db, err := New(lc, DatabaseParams{
 		Config: c,

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

@@ -5,7 +5,6 @@ type TargetType string
 
 const (
 	TargetTypeHTTP     TargetType = "http"
-	TargetTypeRetry    TargetType = "retry"
 	TargetTypeDatabase TargetType = "database"
 	TargetTypeLog      TargetType = "log"
 )
@@ -22,7 +21,7 @@ type Target struct {
 	// Configuration fields (JSON stored based on type)
 	Config string `gorm:"type:text" json:"config"` // JSON configuration
 
-	// For retry targets
+	// For HTTP targets (max_retries=0 means fire-and-forget, >0 enables retries with backoff)
 	MaxRetries   int `json:"max_retries,omitempty"`
 	MaxQueueSize int `json:"max_queue_size,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{},
 		&Webhook{},
 		&Entrypoint{},
 		&Target{},
-		&Event{},
-		&Delivery{},
-		&DeliveryResult{},
 	)
 }

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 +1,183 @@
+package database
+
+import (
+	"context"
+	"database/sql"
+	"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"
+)
+
+// nolint:revive // WebhookDBManagerParams is a standard fx naming convention
+type WebhookDBManagerParams struct {
+	fx.In
+	Config *config.Config
+	Logger *logger.Logger
+}
+
+// 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
+	if err := os.MkdirAll(m.dataDir, 0750); err != nil {
+		return nil, fmt.Errorf("creating data directory %s: %w", m.dataDir, err)
+	}
+
+	lc.Append(fx.Hook{
+		OnStop: func(_ context.Context) error { //nolint:revive // ctx unused but required by fx
+			return m.CloseAll()
+		},
+	})
+
+	m.log.Info("webhook database manager initialized", "data_dir", m.dataDir)
+	return m, nil
+}
+
+// dbPath returns the filesystem path for a webhook's database file.
+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
+	if err := db.AutoMigrate(&Event{}, &Delivery{}, &DeliveryResult{}); 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
+}
+
+// GetDB returns the database connection for a webhook, creating the database
+// file lazily if it doesn't exist. This handles both new webhooks and existing
+// webhooks that were created before per-webhook databases were introduced.
+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("invalid cached database type for webhook %s", 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 and use theirs
+	actual, loaded := m.dbs.LoadOrStore(webhookID, db)
+	if loaded {
+		// Another goroutine created it first; close our duplicate
+		if sqlDB, closeErr := db.DB(); closeErr == nil {
+			sqlDB.Close()
+		}
+		existingDB, castOK := actual.(*gorm.DB)
+		if !castOK {
+			return nil, fmt.Errorf("invalid cached database type for webhook %s", webhookID)
+		}
+		return existingDB, nil
+	}
+
+	return db, nil
+}
+
+// CreateDB explicitly creates a new per-webhook database file and runs migrations.
+// This is called when a new webhook is created.
+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.
+// This performs a hard delete — 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 {
+			if sqlDB, err := gormDB.DB(); err == nil {
+				sqlDB.Close()
+			}
+		}
+	}
+
+	// Delete the main DB file and WAL/SHM files
+	path := m.dbPath(webhookID)
+	for _, suffix := range []string{"", "-wal", "-shm"} {
+		if err := os.Remove(path + suffix); 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 interface{}) bool {
+		if gormDB, castOK := value.(*gorm.DB); castOK {
+			if sqlDB, err := gormDB.DB(); err == nil {
+				if closeErr := sqlDB.Close(); 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
+}

internal/database/webhook_db_manager_test.go

@@ -0,0 +1,272 @@
+package database
+
+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"
+	"sneak.berlin/go/webhooker/internal/config"
+	"sneak.berlin/go/webhooker/internal/globals"
+	"sneak.berlin/go/webhooker/internal/logger"
+)
+
+func setupTestWebhookDBManager(t *testing.T) (*WebhookDBManager, *fxtest.Lifecycle) {
+	t.Helper()
+
+	lc := fxtest.NewLifecycle(t)
+
+	globals.Appname = "webhooker-test"
+	globals.Version = "test"
+
+	g, err := globals.New(lc)
+	require.NoError(t, err)
+
+	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 := NewWebhookDBManager(lc, WebhookDBManagerParams{
+		Config: cfg,
+		Logger: l,
+	})
+	require.NoError(t, err)
+
+	return mgr, lc
+}
+
+func TestWebhookDBManager_CreateAndGetDB(t *testing.T) {
+	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 := &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 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) {
+	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 := &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) {
+	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) {
+	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)
+
+	// Create an event
+	event := &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)
+
+	// Create a delivery
+	delivery := &Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   DeliveryStatusPending,
+	}
+	require.NoError(t, db.Create(delivery).Error)
+
+	// Query pending deliveries
+	var pending []Delivery
+	require.NoError(t, db.Where("status = ?", 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)
+
+	// Create a delivery result
+	result := &DeliveryResult{
+		DeliveryID: delivery.ID,
+		AttemptNum: 1,
+		Success:    true,
+		StatusCode: 200,
+		Duration:   42,
+	}
+	require.NoError(t, db.Create(result).Error)
+
+	// Update delivery status
+	require.NoError(t, db.Model(delivery).Update("status", DeliveryStatusDelivered).Error)
+
+	// Verify no more pending deliveries
+	var stillPending []Delivery
+	require.NoError(t, db.Where("status = ?", DeliveryStatusPending).Find(&stillPending).Error)
+	assert.Empty(t, stillPending)
+}
+
+func TestWebhookDBManager_MultipleWebhooks(t *testing.T) {
+	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 := &Event{
+		WebhookID:    webhook1,
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Body:         `{"webhook": 1}`,
+		ContentType:  "application/json",
+	}
+	event2 := &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(&Event{}).Count(&count1)
+	assert.Equal(t, int64(1), count1)
+
+	var count2 int64
+	db2.Model(&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 []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) {
+	mgr, lc := setupTestWebhookDBManager(t)
+	ctx := context.Background()
+	require.NoError(t, lc.Start(ctx))
+
+	// Create a few DBs
+	for i := 0; i < 3; i++ {
+		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, but shouldn't panic)
+	require.NoError(t, lc.Stop(ctx))
+}

internal/delivery/circuit_breaker.go

@@ -0,0 +1,162 @@
+package delivery
+
+import (
+	"sync"
+	"time"
+)
+
+// CircuitState represents the current state of a circuit breaker.
+type CircuitState int
+
+const (
+	// CircuitClosed is the normal operating state. Deliveries flow through.
+	CircuitClosed CircuitState = iota
+	// CircuitOpen means the circuit has tripped. Deliveries are skipped
+	// until the cooldown expires.
+	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 for a probe delivery.
+	defaultCooldown = 30 * time.Second
+)
+
+// CircuitBreaker implements the circuit breaker pattern for a single
+// delivery target. It tracks consecutive failures and prevents
+// hammering a down target by temporarily stopping delivery attempts.
+//
+// States:
+//   - Closed (normal): deliveries flow through; consecutive failures
+//     are counted.
+//   - Open (tripped): deliveries are skipped; a cooldown timer is
+//     running. After the cooldown expires the state moves to HalfOpen.
+//   - HalfOpen (probing): one probe delivery is allowed. If it
+//     succeeds the circuit closes; if it fails the circuit reopens.
+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. It returns
+// true if the delivery should be attempted, false if the circuit is
+// open and the delivery should be skipped.
+//
+// When the circuit is open and the cooldown has elapsed, Allow
+// transitions to half-open and permits exactly one probe delivery.
+func (cb *CircuitBreaker) Allow() bool {
+	cb.mu.Lock()
+	defer cb.mu.Unlock()
+
+	switch cb.state {
+	case CircuitClosed:
+		return true
+
+	case CircuitOpen:
+		// Check if cooldown has elapsed
+		if time.Since(cb.lastFailure) >= cb.cooldown {
+			cb.state = CircuitHalfOpen
+			return true
+		}
+		return false
+
+	case CircuitHalfOpen:
+		// Only one probe at a time — reject additional attempts while
+		// a probe is in flight. The probe goroutine will call
+		// RecordSuccess or RecordFailure to resolve the state.
+		return false
+
+	default:
+		return true
+	}
+}
+
+// CooldownRemaining returns how much time is left before an open circuit
+// transitions to half-open. Returns zero if the circuit is not open or
+// the cooldown has already elapsed.
+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 with zero failures.
+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 CircuitHalfOpen:
+		// Probe failed — reopen immediately
+		cb.state = CircuitOpen
+	}
+}
+
+// State returns the current circuit state. Safe for concurrent use.
+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 +1,243 @@
+package delivery
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCircuitBreaker_ClosedState_AllowsDeliveries(t *testing.T) {
+	t.Parallel()
+	cb := NewCircuitBreaker()
+
+	assert.Equal(t, CircuitClosed, cb.State())
+	assert.True(t, cb.Allow(), "closed circuit should allow deliveries")
+	// Multiple calls should all succeed
+	for i := 0; i < 10; i++ {
+		assert.True(t, cb.Allow())
+	}
+}
+
+func TestCircuitBreaker_FailureCounting(t *testing.T) {
+	t.Parallel()
+	cb := NewCircuitBreaker()
+
+	// Record failures below threshold — circuit should stay closed
+	for i := 0; i < defaultFailureThreshold-1; i++ {
+		cb.RecordFailure()
+		assert.Equal(t, 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 := NewCircuitBreaker()
+
+	// Record exactly threshold failures
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+
+	assert.Equal(t, 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()
+	// Use a circuit with a known short cooldown for testing
+	cb := &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  200 * time.Millisecond,
+	}
+
+	// Trip the circuit open
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	require.Equal(t, CircuitOpen, cb.State())
+
+	// During cooldown, Allow should return false
+	assert.False(t, cb.Allow(), "should be blocked during cooldown")
+
+	// CooldownRemaining should be positive
+	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 := &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  50 * time.Millisecond,
+	}
+
+	// Trip the circuit open
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	require.Equal(t, CircuitOpen, cb.State())
+
+	// Wait for cooldown to expire
+	time.Sleep(60 * time.Millisecond)
+
+	// CooldownRemaining should be zero after cooldown
+	assert.Equal(t, time.Duration(0), cb.CooldownRemaining())
+
+	// First Allow after cooldown should succeed (probe)
+	assert.True(t, cb.Allow(), "should allow one probe after cooldown")
+	assert.Equal(t, CircuitHalfOpen, cb.State(), "should be half-open after probe allowed")
+
+	// Second Allow should be rejected (only one probe at a time)
+	assert.False(t, cb.Allow(), "should reject additional probes while half-open")
+}
+
+func TestCircuitBreaker_ProbeSuccess_ClosesCircuit(t *testing.T) {
+	t.Parallel()
+	cb := &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  50 * time.Millisecond,
+	}
+
+	// Trip open → wait for cooldown → allow probe
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	time.Sleep(60 * time.Millisecond)
+	require.True(t, cb.Allow()) // probe allowed, state → half-open
+
+	// Probe succeeds → circuit should close
+	cb.RecordSuccess()
+	assert.Equal(t, CircuitClosed, cb.State(), "successful probe should close circuit")
+
+	// Should allow deliveries again
+	assert.True(t, cb.Allow(), "closed circuit should allow deliveries")
+}
+
+func TestCircuitBreaker_ProbeFailure_ReopensCircuit(t *testing.T) {
+	t.Parallel()
+	cb := &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  50 * time.Millisecond,
+	}
+
+	// Trip open → wait for cooldown → allow probe
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	time.Sleep(60 * time.Millisecond)
+	require.True(t, cb.Allow()) // probe allowed, state → half-open
+
+	// Probe fails → circuit should reopen
+	cb.RecordFailure()
+	assert.Equal(t, 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 := NewCircuitBreaker()
+
+	// Accumulate failures just below threshold
+	for i := 0; i < defaultFailureThreshold-1; i++ {
+		cb.RecordFailure()
+	}
+	require.Equal(t, CircuitClosed, cb.State())
+
+	// Success should reset the failure counter
+	cb.RecordSuccess()
+	assert.Equal(t, CircuitClosed, cb.State())
+
+	// Now we should need another full threshold of failures to trip
+	for i := 0; i < defaultFailureThreshold-1; i++ {
+		cb.RecordFailure()
+	}
+	assert.Equal(t, CircuitClosed, cb.State(),
+		"circuit should still be closed — success reset the counter")
+
+	// One more failure should trip it
+	cb.RecordFailure()
+	assert.Equal(t, CircuitOpen, cb.State())
+}
+
+func TestCircuitBreaker_ConcurrentAccess(t *testing.T) {
+	t.Parallel()
+	cb := NewCircuitBreaker()
+
+	const goroutines = 100
+	var wg sync.WaitGroup
+	wg.Add(goroutines * 3)
+
+	// Concurrent Allow calls
+	for i := 0; i < goroutines; i++ {
+		go func() {
+			defer wg.Done()
+			cb.Allow()
+		}()
+	}
+
+	// Concurrent RecordFailure calls
+	for i := 0; i < goroutines; i++ {
+		go func() {
+			defer wg.Done()
+			cb.RecordFailure()
+		}()
+	}
+
+	// Concurrent RecordSuccess calls
+	for i := 0; i < goroutines; i++ {
+		go func() {
+			defer wg.Done()
+			cb.RecordSuccess()
+		}()
+	}
+
+	wg.Wait()
+	// No panic or data race — the test passes if -race doesn't flag anything.
+	// State should be one of the valid states.
+	state := cb.State()
+	assert.Contains(t, []CircuitState{CircuitClosed, CircuitOpen, CircuitHalfOpen}, state,
+		"state should be valid after concurrent access")
+}
+
+func TestCircuitBreaker_CooldownRemaining_ClosedReturnsZero(t *testing.T) {
+	t.Parallel()
+	cb := 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 := &CircuitBreaker{
+		state:     CircuitClosed,
+		threshold: defaultFailureThreshold,
+		cooldown:  50 * time.Millisecond,
+	}
+
+	// Trip open, wait, transition to half-open
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	time.Sleep(60 * time.Millisecond)
+	require.True(t, cb.Allow()) // → half-open
+
+	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", CircuitClosed.String())
+	assert.Equal(t, "open", CircuitOpen.String())
+	assert.Equal(t, "half-open", CircuitHalfOpen.String())
+	assert.Equal(t, "unknown", CircuitState(99).String())
+}

internal/delivery/engine_test.go

@@ -0,0 +1,936 @@
+package delivery
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	_ "modernc.org/sqlite"
+	"sneak.berlin/go/webhooker/internal/database"
+)
+
+// testWebhookDB creates a real SQLite per-webhook database in a temp dir
+// and runs the event-tier migrations (Event, Delivery, DeliveryResult).
+func testWebhookDB(t *testing.T) *gorm.DB {
+	t.Helper()
+	dbPath := filepath.Join(t.TempDir(), "events-test.db")
+	dsn := fmt.Sprintf("file:%s?cache=shared&mode=rwc", dbPath)
+
+	sqlDB, err := sql.Open("sqlite", dsn)
+	require.NoError(t, err)
+	t.Cleanup(func() { sqlDB.Close() })
+
+	db, err := gorm.Open(sqlite.Dialector{Conn: sqlDB}, &gorm.Config{})
+	require.NoError(t, err)
+
+	require.NoError(t, db.AutoMigrate(
+		&database.Event{},
+		&database.Delivery{},
+		&database.DeliveryResult{},
+	))
+
+	return db
+}
+
+// testEngine builds an Engine with custom settings for testing. It does
+// NOT call start() — callers control lifecycle for deterministic tests.
+func testEngine(t *testing.T, workers int) *Engine {
+	t.Helper()
+	return &Engine{
+		log:        slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug})),
+		client:     &http.Client{Timeout: 5 * time.Second},
+		deliveryCh: make(chan DeliveryTask, deliveryChannelSize),
+		retryCh:    make(chan DeliveryTask, retryChannelSize),
+		workers:    workers,
+	}
+}
+
+// newHTTPTargetConfig returns a JSON config for an HTTP target
+// pointing at the given URL.
+func newHTTPTargetConfig(url string) string {
+	cfg := HTTPTargetConfig{URL: url}
+	data, err := json.Marshal(cfg)
+	if err != nil {
+		panic("failed to marshal HTTPTargetConfig: " + err.Error())
+	}
+	return string(data)
+}
+
+// seedEvent inserts an event into the per-webhook DB and returns it.
+func seedEvent(t *testing.T, db *gorm.DB, body string) database.Event {
+	t.Helper()
+	event := database.Event{
+		WebhookID:    uuid.New().String(),
+		EntrypointID: uuid.New().String(),
+		Method:       "POST",
+		Headers:      `{"Content-Type":["application/json"]}`,
+		Body:         body,
+		ContentType:  "application/json",
+	}
+	require.NoError(t, db.Create(&event).Error)
+	return event
+}
+
+// seedDelivery inserts a delivery for an event + target and returns it.
+func seedDelivery(t *testing.T, db *gorm.DB, eventID, targetID string, status database.DeliveryStatus) database.Delivery {
+	t.Helper()
+	d := database.Delivery{
+		EventID:  eventID,
+		TargetID: targetID,
+		Status:   status,
+	}
+	require.NoError(t, db.Create(&d).Error)
+	return d
+}
+
+// --- Tests ---
+
+func TestNotify_NonBlocking(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	// Fill the delivery channel to capacity
+	for i := 0; i < deliveryChannelSize; i++ {
+		e.deliveryCh <- DeliveryTask{DeliveryID: fmt.Sprintf("fill-%d", i)}
+	}
+
+	// Notify should NOT block even though channel is full
+	done := make(chan struct{})
+	go func() {
+		e.Notify([]DeliveryTask{
+			{DeliveryID: "overflow-1"},
+			{DeliveryID: "overflow-2"},
+		})
+		close(done)
+	}()
+
+	select {
+	case <-done:
+		// success: Notify returned without blocking
+	case <-time.After(2 * time.Second):
+		t.Fatal("Notify blocked when delivery channel was full")
+	}
+}
+
+func TestDeliverHTTP_Success(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+
+	var received atomic.Bool
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		received.Store(true)
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprint(w, `{"ok":true}`)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	event := seedEvent(t, db, `{"hello":"world"}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusPending)
+
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-http",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig(ts.URL),
+		MaxRetries:   0,
+		AttemptNum:   1,
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name:   "test-http",
+			Type:   database.TargetTypeHTTP,
+			Config: newHTTPTargetConfig(ts.URL),
+		},
+	}
+	d.ID = delivery.ID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	assert.True(t, received.Load(), "HTTP target should have received request")
+
+	// Check DB: delivery should be delivered
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusDelivered, updated.Status)
+
+	// Check that a result was recorded
+	var result database.DeliveryResult
+	require.NoError(t, db.Where("delivery_id = ?", delivery.ID).First(&result).Error)
+	assert.True(t, result.Success)
+	assert.Equal(t, http.StatusOK, result.StatusCode)
+}
+
+func TestDeliverHTTP_Failure(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprint(w, "internal error")
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	event := seedEvent(t, db, `{"test":true}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusPending)
+
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-http-fail",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig(ts.URL),
+		MaxRetries:   0,
+		AttemptNum:   1,
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name:   "test-http-fail",
+			Type:   database.TargetTypeHTTP,
+			Config: newHTTPTargetConfig(ts.URL),
+		},
+	}
+	d.ID = delivery.ID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	// HTTP (fire-and-forget) marks as failed on non-2xx
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusFailed, updated.Status)
+
+	var result database.DeliveryResult
+	require.NoError(t, db.Where("delivery_id = ?", delivery.ID).First(&result).Error)
+	assert.False(t, result.Success)
+	assert.Equal(t, http.StatusInternalServerError, result.StatusCode)
+}
+
+func TestDeliverDatabase_ImmediateSuccess(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+	e := testEngine(t, 1)
+
+	event := seedEvent(t, db, `{"db":"target"}`)
+	delivery := seedDelivery(t, db, event.ID, uuid.New().String(), database.DeliveryStatusPending)
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: delivery.TargetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name: "test-db",
+			Type: database.TargetTypeDatabase,
+		},
+	}
+	d.ID = delivery.ID
+
+	e.deliverDatabase(db, d)
+
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusDelivered, updated.Status,
+		"database target should immediately succeed")
+
+	var result database.DeliveryResult
+	require.NoError(t, db.Where("delivery_id = ?", delivery.ID).First(&result).Error)
+	assert.True(t, result.Success)
+	assert.Equal(t, 0, result.StatusCode, "database target should not have an HTTP status code")
+}
+
+func TestDeliverLog_ImmediateSuccess(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+	e := testEngine(t, 1)
+
+	event := seedEvent(t, db, `{"log":"target"}`)
+	delivery := seedDelivery(t, db, event.ID, uuid.New().String(), database.DeliveryStatusPending)
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: delivery.TargetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name: "test-log",
+			Type: database.TargetTypeLog,
+		},
+	}
+	d.ID = delivery.ID
+
+	e.deliverLog(db, d)
+
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusDelivered, updated.Status,
+		"log target should immediately succeed")
+
+	var result database.DeliveryResult
+	require.NoError(t, db.Where("delivery_id = ?", delivery.ID).First(&result).Error)
+	assert.True(t, result.Success)
+}
+
+func TestDeliverHTTP_WithRetries_Success(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	event := seedEvent(t, db, `{"retry":"ok"}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusPending)
+
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-http-retry",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig(ts.URL),
+		MaxRetries:   5,
+		AttemptNum:   1,
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name:       "test-http-retry",
+			Type:       database.TargetTypeHTTP,
+			Config:     newHTTPTargetConfig(ts.URL),
+			MaxRetries: 5,
+		},
+	}
+	d.ID = delivery.ID
+	d.Target.ID = targetID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusDelivered, updated.Status)
+
+	// Circuit breaker should have recorded success
+	cb := e.getCircuitBreaker(targetID)
+	assert.Equal(t, CircuitClosed, cb.State())
+}
+
+func TestDeliverHTTP_MaxRetriesExhausted(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusBadGateway)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	event := seedEvent(t, db, `{"retry":"exhaust"}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusRetrying)
+
+	maxRetries := 3
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-http-exhaust",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig(ts.URL),
+		MaxRetries:   maxRetries,
+		AttemptNum:   maxRetries, // final attempt
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusRetrying,
+		Event:    event,
+		Target: database.Target{
+			Name:       "test-http-exhaust",
+			Type:       database.TargetTypeHTTP,
+			Config:     newHTTPTargetConfig(ts.URL),
+			MaxRetries: maxRetries,
+		},
+	}
+	d.ID = delivery.ID
+	d.Target.ID = targetID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	// After max retries exhausted, delivery should be failed
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusFailed, updated.Status,
+		"delivery should be failed after max retries exhausted")
+}
+
+func TestDeliverHTTP_SchedulesRetryOnFailure(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusServiceUnavailable)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	event := seedEvent(t, db, `{"retry":"schedule"}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusPending)
+
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-http-schedule",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig(ts.URL),
+		MaxRetries:   5,
+		AttemptNum:   1,
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name:       "test-http-schedule",
+			Type:       database.TargetTypeHTTP,
+			Config:     newHTTPTargetConfig(ts.URL),
+			MaxRetries: 5,
+		},
+	}
+	d.ID = delivery.ID
+	d.Target.ID = targetID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	// Delivery should be in retrying status (not failed — retries remain)
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusRetrying, updated.Status,
+		"delivery should be retrying when retries remain")
+
+	// The timer should fire a task into the retry channel. Wait briefly
+	// for the timer (backoff for attempt 1 is 1s, but we're just verifying
+	// the status was set correctly and a result was recorded).
+	var result database.DeliveryResult
+	require.NoError(t, db.Where("delivery_id = ?", delivery.ID).First(&result).Error)
+	assert.False(t, result.Success)
+	assert.Equal(t, 1, result.AttemptNum)
+}
+
+func TestExponentialBackoff_Durations(t *testing.T) {
+	t.Parallel()
+	// The engine uses: backoff = 2^(attemptNum-1) seconds
+	// attempt 1 → shift=0 → 1s
+	// attempt 2 → shift=1 → 2s
+	// attempt 3 → shift=2 → 4s
+	// attempt 4 → shift=3 → 8s
+	// attempt 5 → shift=4 → 16s
+
+	expected := []time.Duration{
+		1 * time.Second,
+		2 * time.Second,
+		4 * time.Second,
+		8 * time.Second,
+		16 * time.Second,
+	}
+
+	for attemptNum := 1; attemptNum <= 5; attemptNum++ {
+		shift := attemptNum - 1
+		if shift > 30 {
+			shift = 30
+		}
+		backoff := time.Duration(1<<uint(shift)) * time.Second //nolint:gosec // bounded above
+		assert.Equal(t, expected[attemptNum-1], backoff,
+			"backoff for attempt %d should be %v", attemptNum, expected[attemptNum-1])
+	}
+}
+
+func TestExponentialBackoff_CappedAt30(t *testing.T) {
+	t.Parallel()
+	// Verify shift is capped at 30 to avoid overflow
+	attemptNum := 50
+	shift := attemptNum - 1
+	if shift > 30 {
+		shift = 30
+	}
+	backoff := time.Duration(1<<uint(shift)) * time.Second //nolint:gosec // bounded above
+	assert.Equal(t, time.Duration(1<<30)*time.Second, backoff,
+		"backoff shift should be capped at 30")
+}
+
+func TestBodyPointer_SmallBodyInline(t *testing.T) {
+	t.Parallel()
+	// Body under MaxInlineBodySize should be included inline
+	smallBody := `{"small": true}`
+	assert.Less(t, len(smallBody), MaxInlineBodySize)
+
+	var bodyPtr *string
+	if len(smallBody) < MaxInlineBodySize {
+		bodyPtr = &smallBody
+	}
+
+	require.NotNil(t, bodyPtr, "small body should be inline (non-nil)")
+	assert.Equal(t, smallBody, *bodyPtr)
+}
+
+func TestBodyPointer_LargeBodyNil(t *testing.T) {
+	t.Parallel()
+	// Body at or above MaxInlineBodySize should be nil
+	largeBody := strings.Repeat("x", MaxInlineBodySize)
+	assert.GreaterOrEqual(t, len(largeBody), MaxInlineBodySize)
+
+	var bodyPtr *string
+	if len(largeBody) < MaxInlineBodySize {
+		bodyPtr = &largeBody
+	}
+
+	assert.Nil(t, bodyPtr, "large body (≥16KB) should be nil")
+}
+
+func TestBodyPointer_ExactBoundary(t *testing.T) {
+	t.Parallel()
+	// Body of exactly MaxInlineBodySize should be nil (the check is <, not <=)
+	exactBody := strings.Repeat("y", MaxInlineBodySize)
+	assert.Equal(t, MaxInlineBodySize, len(exactBody))
+
+	var bodyPtr *string
+	if len(exactBody) < MaxInlineBodySize {
+		bodyPtr = &exactBody
+	}
+
+	assert.Nil(t, bodyPtr, "body at exactly MaxInlineBodySize should be nil")
+}
+
+func TestWorkerPool_BoundedConcurrency(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping concurrency test in short mode")
+	}
+	t.Parallel()
+
+	const numWorkers = 3
+	db := testWebhookDB(t)
+
+	// Track concurrent tasks
+	var (
+		mu         sync.Mutex
+		concurrent int
+		maxSeen    int
+	)
+
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		mu.Lock()
+		concurrent++
+		if concurrent > maxSeen {
+			maxSeen = concurrent
+		}
+		mu.Unlock()
+
+		time.Sleep(100 * time.Millisecond) // simulate slow target
+
+		mu.Lock()
+		concurrent--
+		mu.Unlock()
+
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, numWorkers)
+	// We need a minimal dbManager-like setup. Since processNewTask
+	// needs dbManager, we'll drive workers by sending tasks through
+	// the delivery channel and manually calling deliverHTTP instead.
+	// Instead, let's directly test the worker pool by creating tasks
+	// and processing them through the channel.
+
+	// Create tasks for more work than workers
+	const numTasks = 10
+	tasks := make([]database.Delivery, numTasks)
+	targetCfg := newHTTPTargetConfig(ts.URL)
+
+	for i := 0; i < numTasks; i++ {
+		event := seedEvent(t, db, fmt.Sprintf(`{"task":%d}`, i))
+		delivery := seedDelivery(t, db, event.ID, uuid.New().String(), database.DeliveryStatusPending)
+		tasks[i] = database.Delivery{
+			EventID:  event.ID,
+			TargetID: delivery.TargetID,
+			Status:   database.DeliveryStatusPending,
+			Event:    event,
+			Target: database.Target{
+				Name:   fmt.Sprintf("task-%d", i),
+				Type:   database.TargetTypeHTTP,
+				Config: targetCfg,
+			},
+		}
+		tasks[i].ID = delivery.ID
+	}
+
+	// Build DeliveryTask structs for each delivery (needed by deliverHTTP)
+	deliveryTasks := make([]DeliveryTask, numTasks)
+	for i := 0; i < numTasks; i++ {
+		deliveryTasks[i] = DeliveryTask{
+			DeliveryID:   tasks[i].ID,
+			EventID:      tasks[i].EventID,
+			TargetID:     tasks[i].TargetID,
+			TargetName:   tasks[i].Target.Name,
+			TargetType:   tasks[i].Target.Type,
+			TargetConfig: tasks[i].Target.Config,
+			MaxRetries:   0,
+			AttemptNum:   1,
+		}
+	}
+
+	// Process all tasks through a bounded pool of goroutines to simulate
+	// the engine's worker pool behavior
+	var wg sync.WaitGroup
+	taskCh := make(chan int, numTasks)
+	for i := 0; i < numTasks; i++ {
+		taskCh <- i
+	}
+	close(taskCh)
+
+	// Start exactly numWorkers goroutines
+	for w := 0; w < numWorkers; w++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			for idx := range taskCh {
+				e.deliverHTTP(context.TODO(), db, &tasks[idx], &deliveryTasks[idx])
+			}
+		}()
+	}
+
+	wg.Wait()
+
+	mu.Lock()
+	observedMax := maxSeen
+	mu.Unlock()
+
+	assert.LessOrEqual(t, observedMax, numWorkers,
+		"should never exceed %d concurrent deliveries, saw %d", numWorkers, observedMax)
+
+	// All deliveries should be completed
+	for i := 0; i < numTasks; i++ {
+		var d database.Delivery
+		require.NoError(t, db.First(&d, "id = ?", tasks[i].ID).Error)
+		assert.Equal(t, database.DeliveryStatusDelivered, d.Status,
+			"task %d should be delivered", i)
+	}
+}
+
+func TestDeliverHTTP_CircuitBreakerBlocks(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+	e := testEngine(t, 1)
+	targetID := uuid.New().String()
+
+	// Pre-trip the circuit breaker for this target
+	cb := e.getCircuitBreaker(targetID)
+	for i := 0; i < defaultFailureThreshold; i++ {
+		cb.RecordFailure()
+	}
+	require.Equal(t, CircuitOpen, cb.State())
+
+	event := seedEvent(t, db, `{"cb":"blocked"}`)
+	delivery := seedDelivery(t, db, event.ID, targetID, database.DeliveryStatusPending)
+
+	task := &DeliveryTask{
+		DeliveryID:   delivery.ID,
+		EventID:      event.ID,
+		WebhookID:    event.WebhookID,
+		TargetID:     targetID,
+		TargetName:   "test-cb-block",
+		TargetType:   database.TargetTypeHTTP,
+		TargetConfig: newHTTPTargetConfig("http://will-not-be-called.invalid"),
+		MaxRetries:   5,
+		AttemptNum:   1,
+	}
+
+	d := &database.Delivery{
+		EventID:  event.ID,
+		TargetID: targetID,
+		Status:   database.DeliveryStatusPending,
+		Event:    event,
+		Target: database.Target{
+			Name:       "test-cb-block",
+			Type:       database.TargetTypeHTTP,
+			Config:     newHTTPTargetConfig("http://will-not-be-called.invalid"),
+			MaxRetries: 5,
+		},
+	}
+	d.ID = delivery.ID
+	d.Target.ID = targetID
+
+	e.deliverHTTP(context.TODO(), db, d, task)
+
+	// Delivery should be retrying (circuit open, no attempt made)
+	var updated database.Delivery
+	require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+	assert.Equal(t, database.DeliveryStatusRetrying, updated.Status,
+		"delivery should be retrying when circuit breaker is open")
+
+	// No delivery result should have been recorded (no attempt was made)
+	var resultCount int64
+	db.Model(&database.DeliveryResult{}).Where("delivery_id = ?", delivery.ID).Count(&resultCount)
+	assert.Equal(t, int64(0), resultCount,
+		"no delivery result should be recorded when circuit is open")
+}
+
+func TestGetCircuitBreaker_CreatesOnDemand(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	targetID := uuid.New().String()
+	cb1 := e.getCircuitBreaker(targetID)
+	require.NotNil(t, cb1)
+	assert.Equal(t, CircuitClosed, cb1.State())
+
+	// Same target should return the same circuit breaker
+	cb2 := e.getCircuitBreaker(targetID)
+	assert.Same(t, cb1, cb2, "same target ID should return the same circuit breaker")
+
+	// Different target should return a different circuit breaker
+	otherID := uuid.New().String()
+	cb3 := e.getCircuitBreaker(otherID)
+	assert.NotSame(t, cb1, cb3, "different target ID should return a different circuit breaker")
+}
+
+func TestParseHTTPConfig_Valid(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	cfg, err := e.parseHTTPConfig(`{"url":"https://example.com/hook","headers":{"X-Token":"secret"}}`)
+	require.NoError(t, err)
+	assert.Equal(t, "https://example.com/hook", cfg.URL)
+	assert.Equal(t, "secret", cfg.Headers["X-Token"])
+}
+
+func TestParseHTTPConfig_Empty(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	_, err := e.parseHTTPConfig("")
+	assert.Error(t, err, "empty config should return error")
+}
+
+func TestParseHTTPConfig_MissingURL(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	_, err := e.parseHTTPConfig(`{"headers":{"X-Token":"secret"}}`)
+	assert.Error(t, err, "config without URL should return error")
+}
+
+func TestScheduleRetry_SendsToRetryChannel(t *testing.T) {
+	t.Parallel()
+	e := testEngine(t, 1)
+
+	task := DeliveryTask{
+		DeliveryID: uuid.New().String(),
+		EventID:    uuid.New().String(),
+		WebhookID:  uuid.New().String(),
+		TargetID:   uuid.New().String(),
+		AttemptNum: 2,
+	}
+
+	e.scheduleRetry(task, 10*time.Millisecond)
+
+	// Wait for the timer to fire
+	select {
+	case received := <-e.retryCh:
+		assert.Equal(t, task.DeliveryID, received.DeliveryID)
+		assert.Equal(t, task.AttemptNum, received.AttemptNum)
+	case <-time.After(2 * time.Second):
+		t.Fatal("retry task was not sent to retry channel within timeout")
+	}
+}
+
+func TestScheduleRetry_DropsWhenChannelFull(t *testing.T) {
+	t.Parallel()
+	e := &Engine{
+		log:     slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelDebug})),
+		retryCh: make(chan DeliveryTask, 1), // tiny buffer
+	}
+
+	// Fill the retry channel
+	e.retryCh <- DeliveryTask{DeliveryID: "fill"}
+
+	task := DeliveryTask{
+		DeliveryID: "overflow",
+		AttemptNum: 2,
+	}
+
+	// Should not panic or block
+	e.scheduleRetry(task, 0)
+
+	// Give timer a moment to fire
+	time.Sleep(50 * time.Millisecond)
+
+	// Only the original task should be in the channel
+	received := <-e.retryCh
+	assert.Equal(t, "fill", received.DeliveryID,
+		"only the original task should be in the channel (overflow was dropped)")
+}
+
+func TestIsForwardableHeader(t *testing.T) {
+	t.Parallel()
+	// Should forward
+	assert.True(t, isForwardableHeader("X-Custom-Header"))
+	assert.True(t, isForwardableHeader("Authorization"))
+	assert.True(t, isForwardableHeader("Accept"))
+	assert.True(t, isForwardableHeader("X-GitHub-Event"))
+
+	// Should NOT forward (hop-by-hop)
+	assert.False(t, isForwardableHeader("Host"))
+	assert.False(t, isForwardableHeader("Connection"))
+	assert.False(t, isForwardableHeader("Keep-Alive"))
+	assert.False(t, isForwardableHeader("Transfer-Encoding"))
+	assert.False(t, isForwardableHeader("Content-Length"))
+}
+
+func TestTruncate(t *testing.T) {
+	t.Parallel()
+	assert.Equal(t, "hello", truncate("hello", 10))
+	assert.Equal(t, "hello", truncate("hello", 5))
+	assert.Equal(t, "hel", truncate("hello", 3))
+	assert.Equal(t, "", truncate("", 5))
+}
+
+func TestDoHTTPRequest_ForwardsHeaders(t *testing.T) {
+	t.Parallel()
+
+	var receivedHeaders http.Header
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		receivedHeaders = r.Header.Clone()
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer ts.Close()
+
+	e := testEngine(t, 1)
+	cfg := &HTTPTargetConfig{
+		URL:     ts.URL,
+		Headers: map[string]string{"X-Target-Auth": "bearer xyz"},
+	}
+
+	event := &database.Event{
+		Method:      "POST",
+		Headers:     `{"X-Custom":["value1"],"Content-Type":["application/json"]}`,
+		Body:        `{"test":true}`,
+		ContentType: "application/json",
+	}
+
+	statusCode, _, _, err := e.doHTTPRequest(cfg, event)
+	require.NoError(t, err)
+	assert.Equal(t, http.StatusOK, statusCode)
+
+	// Check forwarded headers
+	assert.Equal(t, "value1", receivedHeaders.Get("X-Custom"))
+	assert.Equal(t, "bearer xyz", receivedHeaders.Get("X-Target-Auth"))
+	assert.Equal(t, "application/json", receivedHeaders.Get("Content-Type"))
+	assert.Equal(t, "webhooker/1.0", receivedHeaders.Get("User-Agent"))
+}
+
+func TestProcessDelivery_RoutesToCorrectHandler(t *testing.T) {
+	t.Parallel()
+	db := testWebhookDB(t)
+	e := testEngine(t, 1)
+
+	tests := []struct {
+		name       string
+		targetType database.TargetType
+		wantStatus database.DeliveryStatus
+	}{
+		{"database target", database.TargetTypeDatabase, database.DeliveryStatusDelivered},
+		{"log target", database.TargetTypeLog, database.DeliveryStatusDelivered},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			event := seedEvent(t, db, `{"routing":"test"}`)
+			delivery := seedDelivery(t, db, event.ID, uuid.New().String(), database.DeliveryStatusPending)
+
+			d := &database.Delivery{
+				EventID:  event.ID,
+				TargetID: delivery.TargetID,
+				Status:   database.DeliveryStatusPending,
+				Event:    event,
+				Target: database.Target{
+					Name: "test-" + string(tt.targetType),
+					Type: tt.targetType,
+				},
+			}
+			d.ID = delivery.ID
+
+			task := &DeliveryTask{
+				DeliveryID: delivery.ID,
+				TargetType: tt.targetType,
+			}
+
+			e.processDelivery(context.TODO(), db, d, task)
+
+			var updated database.Delivery
+			require.NoError(t, db.First(&updated, "id = ?", delivery.ID).Error)
+			assert.Equal(t, tt.wantStatus, updated.Status)
+		})
+	}
+}
+
+func TestMaxInlineBodySize_Constant(t *testing.T) {
+	t.Parallel()
+	// Verify the constant is 16KB as documented
+	assert.Equal(t, 16*1024, MaxInlineBodySize,
+		"MaxInlineBodySize should be 16KB (16384 bytes)")
+}

internal/delivery/ssrf.go

@@ -0,0 +1,153 @@
+package delivery
+
+import (
+	"context"
+	"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
+)
+
+// blockedNetworks contains all private/reserved IP ranges that should be
+// blocked to prevent SSRF attacks. This includes RFC 1918 private
+// addresses, loopback, link-local, and IPv6 equivalents.
+//
+//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{
+		// IPv4 private/reserved ranges
+		"127.0.0.0/8",     // Loopback
+		"10.0.0.0/8",      // RFC 1918 Class A private
+		"172.16.0.0/12",   // RFC 1918 Class B private
+		"192.168.0.0/16",  // RFC 1918 Class C private
+		"169.254.0.0/16",  // Link-local (cloud metadata)
+		"0.0.0.0/8",       // "This" network
+		"100.64.0.0/10",   // Shared address space (CGN)
+		"192.0.0.0/24",    // IETF protocol assignments
+		"192.0.2.0/24",    // TEST-NET-1
+		"198.18.0.0/15",   // Benchmarking
+		"198.51.100.0/24", // TEST-NET-2
+		"203.0.113.0/24",  // TEST-NET-3
+		"224.0.0.0/4",     // Multicast
+		"240.0.0.0/4",     // Reserved for future use
+
+		// IPv6 private/reserved ranges
+		"::1/128",   // Loopback
+		"fc00::/7",  // Unique local addresses
+		"fe80::/10", // Link-local
+	}
+
+	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. It validates the URL format, resolves the hostname
+// to IP addresses, and verifies that none of the resolved IPs are in
+// blocked private/reserved ranges.
+//
+// Returns nil if the URL is safe, or an error describing the issue.
+func ValidateTargetURL(targetURL string) error {
+	parsed, err := url.Parse(targetURL)
+	if err != nil {
+		return fmt.Errorf("invalid URL: %w", err)
+	}
+
+	// Only allow http and https schemes
+	if parsed.Scheme != "http" && parsed.Scheme != "https" {
+		return fmt.Errorf("unsupported URL scheme %q: only http and https are allowed", parsed.Scheme)
+	}
+
+	host := parsed.Hostname()
+	if host == "" {
+		return fmt.Errorf("URL has no hostname")
+	}
+
+	// Check if the host is a raw IP address first
+	if ip := net.ParseIP(host); ip != nil {
+		if isBlockedIP(ip) {
+			return fmt.Errorf("target IP %s is in a blocked private/reserved range", ip)
+		}
+		return nil
+	}
+
+	// Resolve hostname to IPs and check each one
+	ctx, cancel := context.WithTimeout(context.Background(), dnsResolutionTimeout)
+	defer cancel()
+
+	ips, err := net.DefaultResolver.LookupIPAddr(ctx, host)
+	if err != nil {
+		return fmt.Errorf("failed to resolve hostname %q: %w", host, err)
+	}
+
+	if len(ips) == 0 {
+		return fmt.Errorf("hostname %q resolved to no IP addresses", host)
+	}
+
+	for _, ipAddr := range ips {
+		if isBlockedIP(ipAddr.IP) {
+			return fmt.Errorf("hostname %q resolves to blocked IP %s (private/reserved range)", host, ipAddr.IP)
+		}
+	}
+
+	return nil
+}
+
+// NewSSRFSafeTransport creates an http.Transport with a custom DialContext
+// that blocks connections to private/reserved IP addresses. This provides
+// defense-in-depth SSRF protection at the network layer, catching cases
+// where DNS records change between target creation and delivery time
+// (DNS rebinding attacks).
+func NewSSRFSafeTransport() *http.Transport {
+	return &http.Transport{
+		DialContext: func(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)
+			}
+
+			// Resolve hostname to IPs
+			ips, err := net.DefaultResolver.LookupIPAddr(ctx, host)
+			if err != nil {
+				return nil, fmt.Errorf("ssrf: DNS resolution failed for %q: %w", host, err)
+			}
+
+			// Check all resolved IPs
+			for _, ipAddr := range ips {
+				if isBlockedIP(ipAddr.IP) {
+					return nil, fmt.Errorf("ssrf: connection to %s (%s) blocked — private/reserved IP range", host, ipAddr.IP)
+				}
+			}
+
+			// Connect to the first allowed IP
+			var dialer net.Dialer
+			return dialer.DialContext(ctx, network, net.JoinHostPort(ips[0].IP.String(), port))
+		},
+	}
+}

internal/delivery/ssrf_test.go

@@ -0,0 +1,142 @@
+package delivery
+
+import (
+	"net"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestIsBlockedIP_PrivateRanges(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		ip      string
+		blocked bool
+	}{
+		// Loopback
+		{"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},
+
+		// RFC 1918 - Class A
+		{"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},
+
+		// RFC 1918 - Class B
+		{"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},
+
+		// RFC 1918 - Class C
+		{"192.168.0.1", "192.168.0.1", true},
+		{"192.168.255.255", "192.168.255.255", true},
+
+		// Link-local / cloud metadata
+		{"169.254.0.1", "169.254.0.1", true},
+		{"169.254.169.254", "169.254.169.254", true},
+
+		// Public IPs (should NOT be blocked)
+		{"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},
+
+		// IPv6 loopback
+		{"::1", "::1", true},
+
+		// IPv6 unique local
+		{"fd00::1", "fd00::1", true},
+		{"fc00::1", "fc00::1", true},
+
+		// IPv6 link-local
+		{"fe80::1", "fe80::1", true},
+
+		// IPv6 public (should NOT be blocked)
+		{"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, isBlockedIP(ip),
+				"isBlockedIP(%s) = %v, want %v", tt.ip, isBlockedIP(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 := ValidateTargetURL(u)
+			assert.Error(t, err, "URL %s should be blocked", u)
+		})
+	}
+}
+
+func TestValidateTargetURL_Allowed(t *testing.T) {
+	t.Parallel()
+
+	// These are public IPs and should be allowed
+	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 := ValidateTargetURL(u)
+			assert.NoError(t, err, "URL %s should be allowed", u)
+		})
+	}
+}
+
+func TestValidateTargetURL_InvalidScheme(t *testing.T) {
+	t.Parallel()
+	err := ValidateTargetURL("ftp://example.com/hook")
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "unsupported URL scheme")
+}
+
+func TestValidateTargetURL_EmptyHost(t *testing.T) {
+	t.Parallel()
+	err := ValidateTargetURL("http:///path")
+	assert.Error(t, err)
+}
+
+func TestValidateTargetURL_InvalidURL(t *testing.T) {
+	t.Parallel()
+	err := ValidateTargetURL("://invalid")
+	assert.Error(t, err)
+}
+
+func TestBlockedNetworks_Initialized(t *testing.T) {
+	t.Parallel()
+	assert.NotEmpty(t, blockedNetworks, "blockedNetworks should be initialized")
+	// Should have at least the main RFC 1918 + loopback + link-local ranges
+	assert.GreaterOrEqual(t, len(blockedNetworks), 8,
+		"should have at least 8 blocked network ranges")
+}

internal/globals/globals.go

@@ -6,23 +6,20 @@ import (
 
 // these get populated from main() and copied into the Globals object.
 var (
-	Appname   string
+	Appname string
-	Version   string
+	Version string
-	Buildarch string
 )
 
 type Globals struct {
-	Appname   string
+	Appname string
-	Version   string
+	Version string
-	Buildarch string
 }
 
 // nolint:revive // lc parameter is required by fx even if unused
 func New(lc fx.Lifecycle) (*Globals, error) {
 	n := &Globals{
-		Appname:   Appname,
+		Appname: Appname,
-		Buildarch: Buildarch,
+		Version: Version,
-		Version:   Version,
 	}
 	return n, nil
 }

internal/globals/globals_test.go

@@ -10,7 +10,6 @@ func TestNew(t *testing.T) {
 	// Set test values
 	Appname = "test-app"
 	Version = "1.0.0"
-	Buildarch = "test-arch"
 
 	lc := fxtest.NewLifecycle(t)
 	globals, err := New(lc)
@@ -24,7 +23,4 @@ func TestNew(t *testing.T) {
 	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")
-	}
 }

internal/handlers/auth.go

@@ -78,14 +78,23 @@ func (h *Handlers) HandleLoginSubmit() http.HandlerFunc {
 			return
 		}
 
-		// Create session
+		// Get the current session (may be pre-existing / attacker-set)
-		sess, err := h.session.Get(r)
+		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
 		}
 
+		// Regenerate the session to prevent session fixation attacks.
+		// This destroys the old session ID and creates a new one.
+		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
+		}
+
 		// Set user in session
 		h.session.SetUser(sess, user.ID, user.Username)
 

internal/handlers/handlers.go

@@ -9,9 +9,11 @@ import (
 
 	"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"
 )
@@ -19,11 +21,13 @@ import (
 // nolint:revive // HandlersParams is a standard fx naming convention
 type HandlersParams struct {
 	fx.In
-	Logger      *logger.Logger
+	Logger       *logger.Logger
-	Globals     *globals.Globals
+	Globals      *globals.Globals
-	Database    *database.Database
+	Database     *database.Database
-	Healthcheck *healthcheck.Healthcheck
+	WebhookDBMgr *database.WebhookDBManager
-	Session     *session.Session
+	Healthcheck  *healthcheck.Healthcheck
+	Session      *session.Session
+	Notifier     delivery.Notifier
 }
 
 type Handlers struct {
@@ -31,15 +35,21 @@ type Handlers struct {
 	log       *slog.Logger
 	hc        *healthcheck.Healthcheck
 	db        *database.Database
+	dbMgr     *database.WebhookDBManager
 	session   *session.Session
+	notifier  delivery.Notifier
 	templates map[string]*template.Template
 }
 
 // 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. If a shared partial (e.g. htmlheader.html)
+// is listed first, its {{define}} block becomes the root — which is empty — and
+// Execute() produces no output.
 func parsePageTemplate(pageFile string) *template.Template {
 	return template.Must(
-		template.ParseFS(templates.Templates, "htmlheader.html", "navbar.html", "base.html", pageFile),
+		template.ParseFS(templates.Templates, pageFile, "base.html", "htmlheader.html", "navbar.html"),
 	)
 }
 
@@ -49,13 +59,20 @@ func New(lc fx.Lifecycle, params HandlersParams) (*Handlers, error) {
 	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{
-		"index.html":   parsePageTemplate("index.html"),
+		"index.html":         parsePageTemplate("index.html"),
-		"login.html":   parsePageTemplate("login.html"),
+		"login.html":         parsePageTemplate("login.html"),
-		"profile.html": parsePageTemplate("profile.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{
@@ -83,14 +100,6 @@ func (s *Handlers) decodeJSON(w http.ResponseWriter, r *http.Request, v interfac
 	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
-}
-
 // UserInfo represents user information for templates
 type UserInfo struct {
 	ID       string
@@ -120,9 +129,13 @@ func (s *Handlers) renderTemplate(w http.ResponseWriter, r *http.Request, pageTe
 		}
 	}
 
-	// If data is a map, merge user info into it
+	// Get CSRF token from request context (set by CSRF middleware)
+	csrfToken := middleware.CSRFToken(r)
+
+	// If data is a map, merge user info and CSRF token into it
 	if m, ok := data.(map[string]interface{}); ok {
 		m["User"] = userInfo
+		m["CSRFToken"] = csrfToken
 		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)
@@ -132,13 +145,15 @@ func (s *Handlers) renderTemplate(w http.ResponseWriter, r *http.Request, pageTe
 
 	// Wrap data with base template data
 	type templateDataWrapper struct {
-		User *UserInfo
+		User      *UserInfo
-		Data interface{}
+		CSRFToken string
+		Data      interface{}
 	}
 
 	wrapper := templateDataWrapper{
-		User: userInfo,
+		User:      userInfo,
-		Data: data,
+		CSRFToken: csrfToken,
+		Data:      data,
 	}
 
 	if err := tmpl.Execute(w, wrapper); err != nil {

internal/handlers/handlers_test.go

@@ -12,12 +12,18 @@ import (
 	"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/healthcheck"
 	"sneak.berlin/go/webhooker/internal/logger"
 	"sneak.berlin/go/webhooker/internal/session"
 )
 
+// noopNotifier is a no-op delivery.Notifier for tests.
+type noopNotifier struct{}
+
+func (n *noopNotifier) Notify([]delivery.DeliveryTask) {}
+
 func TestHandleIndex(t *testing.T) {
 	var h *Handlers
 
@@ -28,17 +34,14 @@ func TestHandleIndex(t *testing.T) {
 			logger.New,
 			func() *config.Config {
 				return &config.Config{
-					// This is a base64 encoded 32-byte key: "test-session-key-32-bytes-long!!"
+					DataDir: t.TempDir(),
-					SessionKey: "dGVzdC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
 				}
 			},
-			func() *database.Database {
+			database.New,
-				// Mock database with a mock DB method
+			database.NewWebhookDBManager,
-				db := &database.Database{}
-				return db
-			},
 			healthcheck.New,
 			session.New,
+			func() delivery.Notifier { return &noopNotifier{} },
 			New,
 		),
 		fx.Populate(&h),
@@ -62,16 +65,14 @@ func TestRenderTemplate(t *testing.T) {
 			logger.New,
 			func() *config.Config {
 				return &config.Config{
-					// This is a base64 encoded 32-byte key: "test-session-key-32-bytes-long!!"
+					DataDir: t.TempDir(),
-					SessionKey: "dGVzdC1zZXNzaW9uLWtleS0zMi1ieXRlcy1sb25nISE=",
 				}
 			},
-			func() *database.Database {
+			database.New,
-				// Mock database
+			database.NewWebhookDBManager,
-				return &database.Database{}
-			},
 			healthcheck.New,
 			session.New,
+			func() delivery.Notifier { return &noopNotifier{} },
 			New,
 		),
 		fx.Populate(&h),

internal/handlers/index.go

@@ -8,11 +8,6 @@ import (
 	"sneak.berlin/go/webhooker/internal/database"
 )
 
-type IndexResponse struct {
-	Message string `json:"message"`
-	Version string `json:"version"`
-}
-
 func (s *Handlers) HandleIndex() http.HandlerFunc {
 	// Calculate server start time
 	startTime := time.Now()

internal/handlers/source_management.go

@@ -1,69 +1,733 @@
 package handlers
 
 import (
+	"encoding/json"
 	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi"
+	"github.com/google/uuid"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-// HandleSourceList shows a list of user's webhooks
+// WebhookListItem holds data for the webhook list view.
+type WebhookListItem struct {
+	database.Webhook
+	EntrypointCount int64
+	TargetCount     int64
+	EventCount      int64
+}
+
+// HandleSourceList shows a list of user's webhooks.
 func (h *Handlers) HandleSourceList() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook list page
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		var webhooks []database.Webhook
+		if err := h.db.DB().Where("user_id = ?", userID).Order("created_at DESC").Find(&webhooks).Error; err != nil {
+			h.log.Error("failed to list webhooks", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Build list items with counts
+		items := make([]WebhookListItem, len(webhooks))
+		for i := range webhooks {
+			items[i].Webhook = webhooks[i]
+			h.db.DB().Model(&database.Entrypoint{}).Where("webhook_id = ?", webhooks[i].ID).Count(&items[i].EntrypointCount)
+			h.db.DB().Model(&database.Target{}).Where("webhook_id = ?", webhooks[i].ID).Count(&items[i].TargetCount)
+
+			// Event count comes from per-webhook DB
+			if h.dbMgr.DBExists(webhooks[i].ID) {
+				if webhookDB, err := h.dbMgr.GetDB(webhooks[i].ID); err == nil {
+					webhookDB.Model(&database.Event{}).Count(&items[i].EventCount)
+				}
+			}
+		}
+
+		data := map[string]interface{}{
+			"Webhooks": items,
+		}
+		h.renderTemplate(w, r, "sources_list.html", data)
 	}
 }
 
-// HandleSourceCreate shows the form to create a new webhook
+// HandleSourceCreate shows the form to create a new webhook.
 func (h *Handlers) HandleSourceCreate() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook creation form
+		data := map[string]interface{}{
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+			"Error": "",
+		}
+		h.renderTemplate(w, r, "sources_new.html", data)
 	}
 }
 
-// HandleSourceCreateSubmit handles the webhook creation form submission
+// HandleSourceCreateSubmit handles the webhook creation form submission.
 func (h *Handlers) HandleSourceCreateSubmit() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook creation logic
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+
+		name := r.FormValue("name")
+		description := r.FormValue("description")
+		retentionStr := r.FormValue("retention_days")
+
+		if name == "" {
+			data := map[string]interface{}{
+				"Error": "Name is required",
+			}
+			w.WriteHeader(http.StatusBadRequest)
+			h.renderTemplate(w, r, "sources_new.html", data)
+			return
+		}
+
+		retentionDays := 30
+		if retentionStr != "" {
+			if v, err := strconv.Atoi(retentionStr); err == nil && v > 0 {
+				retentionDays = v
+			}
+		}
+
+		tx := h.db.DB().Begin()
+		if tx.Error != nil {
+			h.log.Error("failed to begin transaction", "error", tx.Error)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		webhook := &database.Webhook{
+			UserID:        userID,
+			Name:          name,
+			Description:   description,
+			RetentionDays: retentionDays,
+		}
+
+		if err := tx.Create(webhook).Error; err != nil {
+			tx.Rollback()
+			h.log.Error("failed to create webhook", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Auto-create one entrypoint
+		entrypoint := &database.Entrypoint{
+			WebhookID:   webhook.ID,
+			Path:        uuid.New().String(),
+			Description: "Default entrypoint",
+			Active:      true,
+		}
+
+		if err := tx.Create(entrypoint).Error; err != nil {
+			tx.Rollback()
+			h.log.Error("failed to create entrypoint", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		if err := tx.Commit().Error; err != nil {
+			h.log.Error("failed to commit transaction", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Create per-webhook event database
+		if err := h.dbMgr.CreateDB(webhook.ID); err != nil {
+			h.log.Error("failed to create webhook event database",
+				"webhook_id", webhook.ID,
+				"error", err,
+			)
+			// Non-fatal: the DB will be created lazily on first event
+		}
+
+		h.log.Info("webhook created",
+			"webhook_id", webhook.ID,
+			"name", name,
+			"user_id", userID,
+		)
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
 	}
 }
 
-// HandleSourceDetail shows details for a specific webhook
+// HandleSourceDetail shows details for a specific webhook.
 func (h *Handlers) HandleSourceDetail() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook detail page
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		var entrypoints []database.Entrypoint
+		h.db.DB().Where("webhook_id = ?", webhook.ID).Find(&entrypoints)
+
+		var targets []database.Target
+		h.db.DB().Where("webhook_id = ?", webhook.ID).Find(&targets)
+
+		// Recent events from per-webhook database
+		var events []database.Event
+		if h.dbMgr.DBExists(webhook.ID) {
+			if webhookDB, err := h.dbMgr.GetDB(webhook.ID); err == nil {
+				webhookDB.Where("webhook_id = ?", webhook.ID).Order("created_at DESC").Limit(20).Find(&events)
+			}
+		}
+
+		// Build host URL for display
+		host := r.Host
+		scheme := "https"
+		if r.TLS == nil {
+			scheme = "http"
+		}
+		// Check X-Forwarded headers
+		if fwdProto := r.Header.Get("X-Forwarded-Proto"); fwdProto != "" {
+			scheme = fwdProto
+		}
+
+		data := map[string]interface{}{
+			"Webhook":     webhook,
+			"Entrypoints": entrypoints,
+			"Targets":     targets,
+			"Events":      events,
+			"BaseURL":     scheme + "://" + host,
+		}
+		h.renderTemplate(w, r, "source_detail.html", data)
 	}
 }
 
-// HandleSourceEdit shows the form to edit a webhook
+// HandleSourceEdit shows the form to edit a webhook.
 func (h *Handlers) HandleSourceEdit() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook edit form
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		data := map[string]interface{}{
+			"Webhook": webhook,
+			"Error":   "",
+		}
+		h.renderTemplate(w, r, "source_edit.html", data)
 	}
 }
 
-// HandleSourceEditSubmit handles the webhook edit form submission
+// HandleSourceEditSubmit handles the webhook edit form submission.
 func (h *Handlers) HandleSourceEditSubmit() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook update logic
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+
+		name := r.FormValue("name")
+		if name == "" {
+			data := map[string]interface{}{
+				"Webhook": webhook,
+				"Error":   "Name is required",
+			}
+			w.WriteHeader(http.StatusBadRequest)
+			h.renderTemplate(w, r, "source_edit.html", data)
+			return
+		}
+
+		webhook.Name = name
+		webhook.Description = r.FormValue("description")
+		if retStr := r.FormValue("retention_days"); retStr != "" {
+			if v, err := strconv.Atoi(retStr); err == nil && v > 0 {
+				webhook.RetentionDays = v
+			}
+		}
+
+		if err := h.db.DB().Save(&webhook).Error; err != nil {
+			h.log.Error("failed to update webhook", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
 	}
 }
 
-// HandleSourceDelete handles webhook deletion
+// HandleSourceDelete handles webhook deletion.
+// Configuration data is soft-deleted in the main DB.
+// The per-webhook event database file is hard-deleted (permanently removed).
 func (h *Handlers) HandleSourceDelete() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook deletion logic
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Soft-delete configuration in the main application database
+		tx := h.db.DB().Begin()
+		if tx.Error != nil {
+			h.log.Error("failed to begin transaction", "error", tx.Error)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Soft-delete entrypoints and targets (config tier)
+		tx.Where("webhook_id = ?", webhook.ID).Delete(&database.Entrypoint{})
+		tx.Where("webhook_id = ?", webhook.ID).Delete(&database.Target{})
+		tx.Delete(&webhook)
+
+		if err := tx.Commit().Error; err != nil {
+			h.log.Error("failed to commit deletion", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Hard-delete the per-webhook event database file
+		if err := h.dbMgr.DeleteDB(webhook.ID); err != nil {
+			h.log.Error("failed to delete webhook event database",
+				"webhook_id", webhook.ID,
+				"error", err,
+			)
+			// Non-fatal: file may not exist if no events were ever received
+		}
+
+		h.log.Info("webhook deleted", "webhook_id", webhook.ID, "user_id", userID)
+		http.Redirect(w, r, "/sources", http.StatusSeeOther)
 	}
 }
 
-// HandleSourceLogs shows the request/response logs for a webhook
+// HandleSourceLogs shows the request/response logs for a webhook.
+// Events and deliveries are read from the per-webhook database.
+// Target information is loaded from the main application database.
 func (h *Handlers) HandleSourceLogs() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// TODO: Implement webhook logs page
+		userID, ok := h.getUserID(r)
-		http.Error(w, "Not implemented", http.StatusNotImplemented)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Load targets from main DB for display
+		var targets []database.Target
+		h.db.DB().Where("webhook_id = ?", webhook.ID).Find(&targets)
+		targetMap := make(map[string]database.Target, len(targets))
+		for _, t := range targets {
+			targetMap[t.ID] = t
+		}
+
+		// Pagination
+		page := 1
+		if p := r.URL.Query().Get("page"); p != "" {
+			if v, err := strconv.Atoi(p); err == nil && v > 0 {
+				page = v
+			}
+		}
+		perPage := 25
+		offset := (page - 1) * perPage
+
+		// EventWithDeliveries holds an event with its associated deliveries
+		type EventWithDeliveries struct {
+			database.Event
+			Deliveries []database.Delivery
+		}
+
+		var totalEvents int64
+		var eventsWithDeliveries []EventWithDeliveries
+
+		// Read events and deliveries from per-webhook database
+		if h.dbMgr.DBExists(webhook.ID) {
+			webhookDB, err := h.dbMgr.GetDB(webhook.ID)
+			if err != nil {
+				h.log.Error("failed to get webhook database",
+					"webhook_id", webhook.ID,
+					"error", err,
+				)
+				http.Error(w, "Internal server error", http.StatusInternalServerError)
+				return
+			}
+
+			webhookDB.Model(&database.Event{}).Where("webhook_id = ?", webhook.ID).Count(&totalEvents)
+
+			var events []database.Event
+			webhookDB.Where("webhook_id = ?", webhook.ID).
+				Order("created_at DESC").
+				Offset(offset).
+				Limit(perPage).
+				Find(&events)
+
+			eventsWithDeliveries = make([]EventWithDeliveries, len(events))
+			for i := range events {
+				eventsWithDeliveries[i].Event = events[i]
+				// Load deliveries from per-webhook DB (without Target preload)
+				webhookDB.Where("event_id = ?", events[i].ID).Find(&eventsWithDeliveries[i].Deliveries)
+				// Manually assign targets from main DB
+				for j := range eventsWithDeliveries[i].Deliveries {
+					if target, ok := targetMap[eventsWithDeliveries[i].Deliveries[j].TargetID]; ok {
+						eventsWithDeliveries[i].Deliveries[j].Target = target
+					}
+				}
+			}
+		}
+
+		totalPages := int(totalEvents) / perPage
+		if int(totalEvents)%perPage != 0 {
+			totalPages++
+		}
+
+		data := map[string]interface{}{
+			"Webhook":     webhook,
+			"Events":      eventsWithDeliveries,
+			"Page":        page,
+			"TotalPages":  totalPages,
+			"TotalEvents": totalEvents,
+			"HasPrev":     page > 1,
+			"HasNext":     page < totalPages,
+			"PrevPage":    page - 1,
+			"NextPage":    page + 1,
+		}
+		h.renderTemplate(w, r, "source_logs.html", data)
 	}
 }
+
+// HandleEntrypointCreate handles adding a new entrypoint to a webhook.
+func (h *Handlers) HandleEntrypointCreate() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		// Verify ownership
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+
+		description := r.FormValue("description")
+
+		entrypoint := &database.Entrypoint{
+			WebhookID:   webhook.ID,
+			Path:        uuid.New().String(),
+			Description: description,
+			Active:      true,
+		}
+
+		if err := h.db.DB().Create(entrypoint).Error; err != nil {
+			h.log.Error("failed to create entrypoint", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// HandleTargetCreate handles adding a new target to a webhook.
+func (h *Handlers) HandleTargetCreate() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Bad request", http.StatusBadRequest)
+			return
+		}
+
+		name := r.FormValue("name")
+		targetType := database.TargetType(r.FormValue("type"))
+		url := r.FormValue("url")
+		maxRetriesStr := r.FormValue("max_retries")
+
+		if name == "" {
+			http.Error(w, "Name is required", http.StatusBadRequest)
+			return
+		}
+
+		// Validate target type
+		switch targetType {
+		case database.TargetTypeHTTP, database.TargetTypeDatabase, database.TargetTypeLog:
+			// valid
+		default:
+			http.Error(w, "Invalid target type", http.StatusBadRequest)
+			return
+		}
+
+		// Build config JSON for HTTP targets
+		var configJSON string
+		if targetType == database.TargetTypeHTTP {
+			if url == "" {
+				http.Error(w, "URL is required for HTTP targets", http.StatusBadRequest)
+				return
+			}
+
+			// Validate URL against SSRF: block private/reserved IP ranges
+			if err := delivery.ValidateTargetURL(url); err != nil {
+				h.log.Warn("target URL blocked by SSRF protection",
+					"url", url,
+					"error", err,
+				)
+				http.Error(w, "Invalid target URL: "+err.Error(), http.StatusBadRequest)
+				return
+			}
+
+			cfg := map[string]interface{}{
+				"url": url,
+			}
+			configBytes, err := json.Marshal(cfg)
+			if err != nil {
+				http.Error(w, "Internal server error", http.StatusInternalServerError)
+				return
+			}
+			configJSON = string(configBytes)
+		}
+
+		maxRetries := 0 // default: fire-and-forget (no retries)
+		if maxRetriesStr != "" {
+			if v, err := strconv.Atoi(maxRetriesStr); err == nil && v >= 0 {
+				maxRetries = v
+			}
+		}
+
+		target := &database.Target{
+			WebhookID:  webhook.ID,
+			Name:       name,
+			Type:       targetType,
+			Active:     true,
+			Config:     configJSON,
+			MaxRetries: maxRetries,
+		}
+
+		if err := h.db.DB().Create(target).Error; err != nil {
+			h.log.Error("failed to create target", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// HandleEntrypointDelete handles deleting an individual entrypoint.
+func (h *Handlers) HandleEntrypointDelete() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+		entrypointID := chi.URLParam(r, "entrypointID")
+
+		// Verify webhook ownership
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Delete entrypoint (must belong to this webhook)
+		result := h.db.DB().Where("id = ? AND webhook_id = ?", entrypointID, webhook.ID).Delete(&database.Entrypoint{})
+		if result.Error != nil {
+			h.log.Error("failed to delete entrypoint", "error", result.Error)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// HandleEntrypointToggle handles toggling the active state of an entrypoint.
+func (h *Handlers) HandleEntrypointToggle() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+		entrypointID := chi.URLParam(r, "entrypointID")
+
+		// Verify webhook ownership
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Find the entrypoint
+		var entrypoint database.Entrypoint
+		if err := h.db.DB().Where("id = ? AND webhook_id = ?", entrypointID, webhook.ID).First(&entrypoint).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Toggle active state
+		entrypoint.Active = !entrypoint.Active
+		if err := h.db.DB().Save(&entrypoint).Error; err != nil {
+			h.log.Error("failed to toggle entrypoint", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// HandleTargetDelete handles deleting an individual target.
+func (h *Handlers) HandleTargetDelete() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+		targetID := chi.URLParam(r, "targetID")
+
+		// Verify webhook ownership
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Delete target (must belong to this webhook)
+		result := h.db.DB().Where("id = ? AND webhook_id = ?", targetID, webhook.ID).Delete(&database.Target{})
+		if result.Error != nil {
+			h.log.Error("failed to delete target", "error", result.Error)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// HandleTargetToggle handles toggling the active state of a target.
+func (h *Handlers) HandleTargetToggle() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userID, ok := h.getUserID(r)
+		if !ok {
+			http.Redirect(w, r, "/pages/login", http.StatusSeeOther)
+			return
+		}
+
+		sourceID := chi.URLParam(r, "sourceID")
+		targetID := chi.URLParam(r, "targetID")
+
+		// Verify webhook ownership
+		var webhook database.Webhook
+		if err := h.db.DB().Where("id = ? AND user_id = ?", sourceID, userID).First(&webhook).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Find the target
+		var target database.Target
+		if err := h.db.DB().Where("id = ? AND webhook_id = ?", targetID, webhook.ID).First(&target).Error; err != nil {
+			http.NotFound(w, r)
+			return
+		}
+
+		// Toggle active state
+		target.Active = !target.Active
+		if err := h.db.DB().Save(&target).Error; err != nil {
+			h.log.Error("failed to toggle target", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		http.Redirect(w, r, "/source/"+webhook.ID, http.StatusSeeOther)
+	}
+}
+
+// getUserID extracts the user ID from the session.
+func (h *Handlers) getUserID(r *http.Request) (string, bool) {
+	sess, err := h.session.Get(r)
+	if err != nil {
+		return "", false
+	}
+	if !h.session.IsAuthenticated(sess) {
+		return "", false
+	}
+	return h.session.GetUserID(sess)
+}

internal/handlers/webhook.go

@@ -1,41 +1,190 @@
 package handlers
 
 import (
+	"encoding/json"
+	"io"
 	"net/http"
 
 	"github.com/go-chi/chi"
+	"sneak.berlin/go/webhooker/internal/database"
+	"sneak.berlin/go/webhooker/internal/delivery"
 )
 
-// HandleWebhook handles incoming webhook requests at entrypoint URLs
+const (
+	// maxWebhookBodySize is the maximum allowed webhook request body (1 MB).
+	maxWebhookBodySize = 1 << 20
+)
+
+// HandleWebhook handles incoming webhook requests at entrypoint URLs.
+// Only POST requests are accepted; all other methods return 405 Method Not Allowed.
+// Events and deliveries are stored in the per-webhook database. The handler
+// builds self-contained DeliveryTask structs with all target and event data
+// so the delivery engine can process them without additional DB reads.
 func (h *Handlers) HandleWebhook() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		// Get entrypoint UUID from URL
+		if r.Method != http.MethodPost {
+			w.Header().Set("Allow", "POST")
+			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
 		entrypointUUID := chi.URLParam(r, "uuid")
 		if entrypointUUID == "" {
 			http.NotFound(w, r)
 			return
 		}
 
-		// Log the incoming webhook request
 		h.log.Info("webhook request received",
 			"entrypoint_uuid", entrypointUUID,
 			"method", r.Method,
 			"remote_addr", r.RemoteAddr,
-			"user_agent", r.UserAgent(),
 		)
 
-		// Only POST methods are allowed for webhooks
+		// Look up entrypoint by path (from main application DB)
-		if r.Method != http.MethodPost {
+		var entrypoint database.Entrypoint
-			w.Header().Set("Allow", "POST")
+		result := h.db.DB().Where("path = ?", entrypointUUID).First(&entrypoint)
-			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		if result.Error != nil {
+			h.log.Debug("entrypoint not found", "path", entrypointUUID)
+			http.NotFound(w, r)
 			return
 		}
 
-		// TODO: Implement webhook handling logic
+		// Check if active
-		// Look up entrypoint by UUID, find parent webhook, fan out to targets
+		if !entrypoint.Active {
-		w.WriteHeader(http.StatusNotFound)
+			http.Error(w, "Gone", http.StatusGone)
-		_, err := w.Write([]byte("unimplemented"))
+			return
+		}
+
+		// Read body with size limit
+		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
+		}
+		if len(body) > maxWebhookBodySize {
+			http.Error(w, "Request body too large", http.StatusRequestEntityTooLarge)
+			return
+		}
+
+		// Serialize headers as JSON
+		headersJSON, err := json.Marshal(r.Header)
+		if err != nil {
+			h.log.Error("failed to serialize headers", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Find all active targets for this webhook (from main application DB)
+		var targets []database.Target
+		if targetErr := h.db.DB().Where("webhook_id = ? AND active = ?", entrypoint.WebhookID, true).Find(&targets).Error; targetErr != nil {
+			h.log.Error("failed to query targets", "error", targetErr)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Get the per-webhook database for event storage
+		webhookDB, err := h.dbMgr.GetDB(entrypoint.WebhookID)
+		if err != nil {
+			h.log.Error("failed to get webhook database",
+				"webhook_id", entrypoint.WebhookID,
+				"error", err,
+			)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Create the event and deliveries in a transaction on the per-webhook DB
+		tx := webhookDB.Begin()
+		if tx.Error != nil {
+			h.log.Error("failed to begin transaction", "error", tx.Error)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		event := &database.Event{
+			WebhookID:    entrypoint.WebhookID,
+			EntrypointID: entrypoint.ID,
+			Method:       r.Method,
+			Headers:      string(headersJSON),
+			Body:         string(body),
+			ContentType:  r.Header.Get("Content-Type"),
+		}
+
+		if err := tx.Create(event).Error; err != nil {
+			tx.Rollback()
+			h.log.Error("failed to create event", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Prepare body pointer for inline transport (≤16KB bodies are
+		// included in the DeliveryTask so the engine needs no DB read).
+		var bodyPtr *string
+		if len(body) < delivery.MaxInlineBodySize {
+			bodyStr := string(body)
+			bodyPtr = &bodyStr
+		}
+
+		// Create delivery records and build self-contained delivery tasks
+		tasks := make([]delivery.DeliveryTask, 0, len(targets))
+		for i := range targets {
+			dlv := &database.Delivery{
+				EventID:  event.ID,
+				TargetID: targets[i].ID,
+				Status:   database.DeliveryStatusPending,
+			}
+			if err := tx.Create(dlv).Error; 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
+			}
+
+			tasks = append(tasks, delivery.DeliveryTask{
+				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,
+			})
+		}
+
+		if err := tx.Commit().Error; err != nil {
+			h.log.Error("failed to commit transaction", "error", err)
+			http.Error(w, "Internal server error", http.StatusInternalServerError)
+			return
+		}
+
+		// Notify the delivery engine with self-contained delivery tasks.
+		// Each task carries all target config and event data inline so
+		// the engine can deliver without touching any database (in the
+		// ≤16KB happy path). The engine only writes to the DB to record
+		// delivery results after each attempt.
+		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(targets),
+		)
+
+		w.WriteHeader(http.StatusOK)
+		if _, err := w.Write([]byte(`{"status":"ok"}`)); err != nil {
 			h.log.Error("failed to write response", "error", err)
 		}
 	}

internal/logger/logger.go

@@ -82,7 +82,6 @@ func (l *Logger) Identify() {
 	l.logger.Info("starting",
 		"appname", l.params.Globals.Appname,
 		"version", l.params.Globals.Version,
-		"buildarch", l.params.Globals.Buildarch,
 	)
 }
 

internal/logger/logger_test.go

@@ -11,7 +11,6 @@ func TestNew(t *testing.T) {
 	// Set up globals
 	globals.Appname = "test-app"
 	globals.Version = "1.0.0"
-	globals.Buildarch = "test-arch"
 
 	lc := fxtest.NewLifecycle(t)
 	g, err := globals.New(lc)
@@ -40,7 +39,6 @@ func TestEnableDebugLogging(t *testing.T) {
 	// Set up globals
 	globals.Appname = "test-app"
 	globals.Version = "1.0.0"
-	globals.Buildarch = "test-arch"
 
 	lc := fxtest.NewLifecycle(t)
 	g, err := globals.New(lc)

internal/middleware/csrf.go

@@ -0,0 +1,114 @@
+package middleware
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/hex"
+	"net/http"
+)
+
+const (
+	// csrfTokenLength is the byte length of generated CSRF tokens.
+	// 32 bytes = 64 hex characters, providing 256 bits of entropy.
+	csrfTokenLength = 32
+
+	// csrfSessionKey is the session key where the CSRF token is stored.
+	csrfSessionKey = "csrf_token"
+
+	// csrfFormField is the HTML form field name for the CSRF token.
+	csrfFormField = "csrf_token"
+)
+
+// csrfContextKey is the context key type for CSRF tokens.
+type csrfContextKey struct{}
+
+// CSRFToken retrieves the CSRF token from the request context.
+// Returns an empty string if no token is present.
+func CSRFToken(r *http.Request) string {
+	if token, ok := r.Context().Value(csrfContextKey{}).(string); ok {
+		return token
+	}
+	return ""
+}
+
+// CSRF returns middleware that provides CSRF protection for state-changing
+// requests. For every request, it ensures a CSRF token exists in the
+// session and makes it available via the request context. For POST, PUT,
+// PATCH, and DELETE requests, it validates the submitted csrf_token form
+// field against the session token. Requests with an invalid or missing
+// token receive a 403 Forbidden response.
+func (m *Middleware) CSRF() func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			sess, err := m.session.Get(r)
+			if err != nil {
+				m.log.Error("csrf: failed to get session", "error", err)
+				http.Error(w, "Forbidden", http.StatusForbidden)
+				return
+			}
+
+			// Ensure a CSRF token exists in the session
+			token, ok := sess.Values[csrfSessionKey].(string)
+			if !ok {
+				token = ""
+			}
+			if token == "" {
+				token, err = generateCSRFToken()
+				if err != nil {
+					m.log.Error("csrf: failed to generate token", "error", err)
+					http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+					return
+				}
+				sess.Values[csrfSessionKey] = token
+				if saveErr := m.session.Save(r, w, sess); saveErr != nil {
+					m.log.Error("csrf: failed to save session", "error", saveErr)
+					http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+					return
+				}
+			}
+
+			// Store token in context for templates
+			ctx := context.WithValue(r.Context(), csrfContextKey{}, token)
+			r = r.WithContext(ctx)
+
+			// Validate token on state-changing methods
+			switch r.Method {
+			case http.MethodPost, http.MethodPut, http.MethodPatch, http.MethodDelete:
+				submitted := r.FormValue(csrfFormField)
+				if !secureCompare(submitted, token) {
+					m.log.Warn("csrf: token mismatch",
+						"method", r.Method,
+						"path", r.URL.Path,
+						"remote_addr", r.RemoteAddr,
+					)
+					http.Error(w, "Forbidden - invalid CSRF token", http.StatusForbidden)
+					return
+				}
+			}
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}
+
+// generateCSRFToken creates a cryptographically random hex-encoded token.
+func generateCSRFToken() (string, error) {
+	b := make([]byte, csrfTokenLength)
+	if _, err := rand.Read(b); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(b), nil
+}
+
+// secureCompare performs a constant-time string comparison to prevent
+// timing attacks on CSRF token validation.
+func secureCompare(a, b string) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	var result byte
+	for i := 0; i < len(a); i++ {
+		result |= a[i] ^ b[i]
+	}
+	return result == 0
+}

internal/middleware/csrf_test.go

@@ -0,0 +1,184 @@
+package middleware
+
+import (
+	"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"
+)
+
+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 = CSRFToken(r)
+	}))
+
+	req := httptest.NewRequest(http.MethodGet, "/form", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.NotEmpty(t, gotToken, "CSRF token should be set in context on GET")
+	assert.Len(t, gotToken, csrfTokenLength*2, "CSRF token should be hex-encoded 32 bytes")
+}
+
+func TestCSRF_POSTWithValidToken(t *testing.T) {
+	t.Parallel()
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	// Use a separate handler for the GET to capture the token
+	var token string
+	getHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, r *http.Request) {
+		token = CSRFToken(r)
+	}))
+
+	// GET to establish the session and capture token
+	getReq := httptest.NewRequest(http.MethodGet, "/form", nil)
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+
+	cookies := getW.Result().Cookies()
+	require.NotEmpty(t, cookies)
+	require.NotEmpty(t, token)
+
+	// POST handler that tracks whether it was called
+	var called bool
+	postHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		called = true
+	}))
+
+	// POST with valid token
+	form := url.Values{csrfFormField: {token}}
+	postReq := httptest.NewRequest(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.True(t, called, "handler should be called with valid CSRF token")
+}
+
+func TestCSRF_POSTWithoutToken(t *testing.T) {
+	t.Parallel()
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	// GET handler to establish session
+	getHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		// no-op — just establishes session
+	}))
+
+	getReq := httptest.NewRequest(http.MethodGet, "/form", nil)
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+	cookies := getW.Result().Cookies()
+
+	// POST handler that tracks whether it was called
+	var called bool
+	postHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		called = true
+	}))
+
+	// POST without CSRF token
+	postReq := httptest.NewRequest(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, "handler should NOT be called without CSRF token")
+	assert.Equal(t, http.StatusForbidden, postW.Code)
+}
+
+func TestCSRF_POSTWithInvalidToken(t *testing.T) {
+	t.Parallel()
+	m, _ := testMiddleware(t, config.EnvironmentDev)
+
+	// GET handler to establish session
+	getHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		// no-op — just establishes session
+	}))
+
+	getReq := httptest.NewRequest(http.MethodGet, "/form", nil)
+	getW := httptest.NewRecorder()
+	getHandler.ServeHTTP(getW, getReq)
+	cookies := getW.Result().Cookies()
+
+	// POST handler that tracks whether it was called
+	var called bool
+	postHandler := m.CSRF()(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		called = true
+	}))
+
+	// POST with wrong CSRF token
+	form := url.Values{csrfFormField: {"invalid-token-value"}}
+	postReq := httptest.NewRequest(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
+	}))
+
+	// GET requests should pass through without CSRF validation
+	req := httptest.NewRequest(http.MethodGet, "/form", nil)
+	w := httptest.NewRecorder()
+
+	handler.ServeHTTP(w, req)
+
+	assert.True(t, called, "GET requests should pass through CSRF middleware")
+}
+
+func TestCSRFToken_NoContext(t *testing.T) {
+	t.Parallel()
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	assert.Empty(t, CSRFToken(req), "CSRFToken should return empty string when no token in context")
+}
+
+func TestGenerateCSRFToken(t *testing.T) {
+	t.Parallel()
+	token, err := generateCSRFToken()
+	require.NoError(t, err)
+	assert.Len(t, token, csrfTokenLength*2, "token should be hex-encoded")
+
+	// Verify uniqueness
+	token2, err := generateCSRFToken()
+	require.NoError(t, err)
+	assert.NotEqual(t, token, token2, "each generated token should be unique")
+}
+
+func TestSecureCompare(t *testing.T) {
+	t.Parallel()
+	assert.True(t, secureCompare("abc", "abc"))
+	assert.False(t, secureCompare("abc", "abd"))
+	assert.False(t, secureCompare("abc", "ab"))
+	assert.False(t, secureCompare("", "a"))
+	assert.True(t, secureCompare("", ""))
+}

internal/middleware/middleware.go

@@ -108,18 +108,22 @@ func (s *Middleware) Logging() func(http.Handler) http.Handler {
 }
 
 func (s *Middleware) CORS() func(http.Handler) http.Handler {
-	return cors.Handler(cors.Options{
+	if s.params.Config.IsDev() {
-		// CHANGEME! these are defaults, change them to suit your needs or
+		// In development, allow any origin for local testing.
-		// read from environment/viper.
+		return cors.Handler(cors.Options{
-		// AllowedOrigins: []string{"https://foo.com"}, // Use this to allow specific origin hosts
+			AllowedOrigins:   []string{"*"},
-		AllowedOrigins: []string{"*"},
+			AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
-		// AllowOriginFunc:  func(r *http.Request, origin string) bool { return true },
+			AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
-		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+			ExposedHeaders:   []string{"Link"},
-		AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
+			AllowCredentials: false,
-		ExposedHeaders:   []string{"Link"},
+			MaxAge:           300,
-		AllowCredentials: false,
+		})
-		MaxAge:           300, // Maximum value not ignored by any of major browsers
+	}
-	})
+	// 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
+	}
 }
 
 // RequireAuth returns middleware that checks for a valid session.
@@ -167,3 +171,35 @@ 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 +1,471 @@
+package middleware
+
+import (
+	"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/session"
+)
+
+// 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, *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, 32)
+	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 := newTestSession(t, store, cfg, log)
+
+	m := &Middleware{
+		log: log,
+		params: &MiddlewareParams{
+			Config: cfg,
+		},
+		session: sessManager,
+	}
+
+	return m, sessManager
+}
+
+// newTestSession creates a session.Session with a pre-configured cookie store
+// for testing. This avoids needing the fx lifecycle and database.
+func newTestSession(t *testing.T, store *sessions.CookieStore, cfg *config.Config, log *slog.Logger) *session.Session {
+	t.Helper()
+	return session.NewForTest(store, cfg, log)
+}
+
+// --- 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)
+		if _, err := w.Write([]byte("created")); err != nil {
+			return
+		}
+	}))
+
+	req := httptest.NewRequest(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) {
+		if _, err := w.Write([]byte("ok")); err != nil {
+			return
+		}
+	}))
+
+	req := httptest.NewRequest(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.NewRequest(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 := NewLoggingResponseWriter(w)
+
+	// Default should be 200
+	assert.Equal(t, http.StatusOK, lrw.statusCode)
+
+	// WriteHeader should capture the status code
+	lrw.WriteHeader(http.StatusNotFound)
+	assert.Equal(t, http.StatusNotFound, lrw.statusCode)
+
+	// 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 := NewLoggingResponseWriter(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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 := ipFromHostPort(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+// --- MetricsAuth Tests ---
+
+func TestMetricsAuth_ValidCredentials(t *testing.T) {
+	t.Parallel()
+
+	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, 32)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{Path: "/", MaxAge: 86400}
+
+	sessManager := session.NewForTest(store, cfg, log)
+
+	m := &Middleware{
+		log: log,
+		params: &MiddlewareParams{
+			Config: cfg,
+		},
+		session: sessManager,
+	}
+
+	var called bool
+	handler := m.MetricsAuth()(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		called = true
+		w.WriteHeader(http.StatusOK)
+	}))
+
+	req := httptest.NewRequest(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()
+
+	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, 32)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{Path: "/", MaxAge: 86400}
+
+	sessManager := session.NewForTest(store, cfg, log)
+
+	m := &Middleware{
+		log: log,
+		params: &MiddlewareParams{
+			Config: cfg,
+		},
+		session: sessManager,
+	}
+
+	var called bool
+	handler := m.MetricsAuth()(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		called = true
+		w.WriteHeader(http.StatusOK)
+	}))
+
+	req := httptest.NewRequest(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()
+
+	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, 32)
+	store := sessions.NewCookieStore(key)
+	store.Options = &sessions.Options{Path: "/", MaxAge: 86400}
+
+	sessManager := session.NewForTest(store, cfg, log)
+
+	m := &Middleware{
+		log: log,
+		params: &MiddlewareParams{
+			Config: cfg,
+		},
+		session: sessManager,
+	}
+
+	var called bool
+	handler := m.MetricsAuth()(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		called = true
+	}))
+
+	req := httptest.NewRequest(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.NewRequest(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, 32)
+	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, 32)
+}

internal/middleware/ratelimit.go

@@ -0,0 +1,172 @@
+package middleware
+
+import (
+	"net"
+	"net/http"
+	"sync"
+	"time"
+
+	"golang.org/x/time/rate"
+)
+
+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
+
+	// limiterCleanupInterval is how often stale per-IP limiters are pruned.
+	limiterCleanupInterval = 5 * time.Minute
+
+	// limiterMaxAge is how long an unused limiter is kept before pruning.
+	limiterMaxAge = 10 * time.Minute
+)
+
+// ipLimiter holds a rate limiter and the time it was last used.
+type ipLimiter struct {
+	limiter  *rate.Limiter
+	lastSeen time.Time
+}
+
+// rateLimiterMap manages per-IP rate limiters with periodic cleanup.
+type rateLimiterMap struct {
+	mu       sync.Mutex
+	limiters map[string]*ipLimiter
+	rate     rate.Limit
+	burst    int
+}
+
+// newRateLimiterMap creates a new per-IP rate limiter map.
+func newRateLimiterMap(r rate.Limit, burst int) *rateLimiterMap {
+	rlm := &rateLimiterMap{
+		limiters: make(map[string]*ipLimiter),
+		rate:     r,
+		burst:    burst,
+	}
+
+	// Start background cleanup goroutine
+	go rlm.cleanup()
+
+	return rlm
+}
+
+// getLimiter returns the rate limiter for the given IP, creating one if
+// it doesn't exist.
+func (rlm *rateLimiterMap) getLimiter(ip string) *rate.Limiter {
+	rlm.mu.Lock()
+	defer rlm.mu.Unlock()
+
+	if entry, ok := rlm.limiters[ip]; ok {
+		entry.lastSeen = time.Now()
+		return entry.limiter
+	}
+
+	limiter := rate.NewLimiter(rlm.rate, rlm.burst)
+	rlm.limiters[ip] = &ipLimiter{
+		limiter:  limiter,
+		lastSeen: time.Now(),
+	}
+	return limiter
+}
+
+// cleanup periodically removes stale rate limiters to prevent unbounded
+// memory growth from unique IPs.
+func (rlm *rateLimiterMap) cleanup() {
+	ticker := time.NewTicker(limiterCleanupInterval)
+	defer ticker.Stop()
+
+	for range ticker.C {
+		rlm.mu.Lock()
+		cutoff := time.Now().Add(-limiterMaxAge)
+		for ip, entry := range rlm.limiters {
+			if entry.lastSeen.Before(cutoff) {
+				delete(rlm.limiters, ip)
+			}
+		}
+		rlm.mu.Unlock()
+	}
+}
+
+// LoginRateLimit returns middleware that enforces per-IP rate limiting
+// on login attempts. 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.
+func (m *Middleware) LoginRateLimit() func(http.Handler) http.Handler {
+	// Calculate rate: loginRateLimit events per loginRateInterval
+	r := rate.Limit(float64(loginRateLimit) / loginRateInterval.Seconds())
+	rlm := newRateLimiterMap(r, loginRateLimit)
+
+	return func(next http.Handler) http.Handler {
+		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
+			}
+
+			ip := extractIP(r)
+			limiter := rlm.getLimiter(ip)
+
+			if !limiter.Allow() {
+				m.log.Warn("login rate limit exceeded",
+					"ip", ip,
+					"path", r.URL.Path,
+				)
+				http.Error(w, "Too many login attempts. Please try again later.", http.StatusTooManyRequests)
+				return
+			}
+
+			next.ServeHTTP(w, r)
+		})
+	}
+}
+
+// extractIP extracts the client IP address from the request. It checks
+// X-Forwarded-For and X-Real-IP headers first (for reverse proxy setups),
+// then falls back to RemoteAddr.
+func extractIP(r *http.Request) string {
+	// Check X-Forwarded-For header (first IP in chain)
+	if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
+		// X-Forwarded-For can contain multiple IPs: client, proxy1, proxy2
+		// The first one is the original client
+		for i := 0; i < len(xff); i++ {
+			if xff[i] == ',' {
+				ip := xff[:i]
+				// Trim whitespace
+				for len(ip) > 0 && ip[0] == ' ' {
+					ip = ip[1:]
+				}
+				for len(ip) > 0 && ip[len(ip)-1] == ' ' {
+					ip = ip[:len(ip)-1]
+				}
+				if ip != "" {
+					return ip
+				}
+				break
+			}
+		}
+		trimmed := xff
+		for len(trimmed) > 0 && trimmed[0] == ' ' {
+			trimmed = trimmed[1:]
+		}
+		for len(trimmed) > 0 && trimmed[len(trimmed)-1] == ' ' {
+			trimmed = trimmed[:len(trimmed)-1]
+		}
+		if trimmed != "" {
+			return trimmed
+		}
+	}
+
+	// Check X-Real-IP header
+	if xri := r.Header.Get("X-Real-IP"); xri != "" {
+		return xri
+	}
+
+	// Fall back to RemoteAddr
+	ip, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		return r.RemoteAddr
+	}
+	return ip
+}

internal/middleware/ratelimit_test.go

@@ -0,0 +1,121 @@
+package middleware
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sneak.berlin/go/webhooker/internal/config"
+)
+
+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 := 0; i < 20; i++ {
+		req := httptest.NewRequest(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 := 0; i < loginRateLimit; i++ {
+		req := httptest.NewRequest(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.NewRequest(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, loginRateLimit, 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 i := 0; i < loginRateLimit; i++ {
+		req := httptest.NewRequest(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.NewRequest(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.NewRequest(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")
+}
+
+func TestExtractIP_RemoteAddr(t *testing.T) {
+	t.Parallel()
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.RemoteAddr = "192.168.1.100:54321"
+	assert.Equal(t, "192.168.1.100", extractIP(req))
+}
+
+func TestExtractIP_XForwardedFor(t *testing.T) {
+	t.Parallel()
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.RemoteAddr = "10.0.0.1:1234"
+	req.Header.Set("X-Forwarded-For", "203.0.113.50, 70.41.3.18, 150.172.238.178")
+	assert.Equal(t, "203.0.113.50", extractIP(req))
+}
+
+func TestExtractIP_XRealIP(t *testing.T) {
+	t.Parallel()
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.RemoteAddr = "10.0.0.1:1234"
+	req.Header.Set("X-Real-IP", "203.0.113.50")
+	assert.Equal(t, "203.0.113.50", extractIP(req))
+}
+
+func TestExtractIP_XForwardedForSingle(t *testing.T) {
+	t.Parallel()
+	req := httptest.NewRequest(http.MethodGet, "/", nil)
+	req.RemoteAddr = "10.0.0.1:1234"
+	req.Header.Set("X-Forwarded-For", "203.0.113.50")
+	assert.Equal(t, "203.0.113.50", extractIP(req))
+}

internal/server/routes.go

@@ -11,49 +11,38 @@ import (
 	"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
+
 func (s *Server) SetupRoutes() {
 	s.router = chi.NewRouter()
 
-	// the mux .Use() takes a http.Handler wrapper func, like most
+	// Global middleware stack — applied to every request.
-	// 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.
-
 	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())
-
-	// 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
+	// Sentry error reporting (if SENTRY_DSN is set). Repanic is true
-	// enabled via setting of SENTRY_DSN in env.
+	// so panics still bubble up to the Recoverer middleware above.
 	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
-	// ROUTES
-	// complete docs: https://github.com/go-chi/chi
-	////////////////////////////////////////////////////////////////////////
-
 	s.router.Get("/", s.h.HandleIndex())
 
 	s.router.Mount("/s", http.StripPrefix("/s", http.FileServer(http.FS(static.Static))))
@@ -75,11 +64,18 @@ func (s *Server) SetupRoutes() {
 		})
 	}
 
-	// pages that are rendered server-side
+	// pages that are rendered server-side — CSRF-protected, body-size
+	// limited, and with per-IP rate limiting on the login endpoint.
 	s.router.Route("/pages", func(r chi.Router) {
-		// Login page (no auth required)
+		r.Use(s.mw.CSRF())
-		r.Get("/login", s.h.HandleLoginPage())
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
-		r.Post("/login", s.h.HandleLoginSubmit())
+
+		// Login page — rate-limited to prevent brute-force attacks
+		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())
@@ -87,26 +83,39 @@ func (s *Server) SetupRoutes() {
 
 	// User profile routes
 	s.router.Route("/user/{username}", func(r chi.Router) {
+		r.Use(s.mw.CSRF())
 		r.Get("/", s.h.HandleProfile())
 	})
 
-	// Webhook management routes (require authentication)
+	// Webhook management routes (require authentication, CSRF-protected)
 	s.router.Route("/sources", func(r chi.Router) {
+		r.Use(s.mw.CSRF())
 		r.Use(s.mw.RequireAuth())
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
 		r.Get("/", s.h.HandleSourceList())             // List all webhooks
 		r.Get("/new", s.h.HandleSourceCreate())        // Show create form
 		r.Post("/new", s.h.HandleSourceCreateSubmit()) // Handle create submission
 	})
 
 	s.router.Route("/source/{sourceID}", func(r chi.Router) {
+		r.Use(s.mw.CSRF())
 		r.Use(s.mw.RequireAuth())
-		r.Get("/", s.h.HandleSourceDetail())          // View webhook details
+		r.Use(s.mw.MaxBodySize(maxFormBodySize))
-		r.Get("/edit", s.h.HandleSourceEdit())        // Show edit form
+		r.Get("/", s.h.HandleSourceDetail())                                       // View webhook details
-		r.Post("/edit", s.h.HandleSourceEditSubmit()) // Handle edit submission
+		r.Get("/edit", s.h.HandleSourceEdit())                                     // Show edit form
-		r.Post("/delete", s.h.HandleSourceDelete())   // Delete webhook
+		r.Post("/edit", s.h.HandleSourceEditSubmit())                              // Handle edit submission
-		r.Get("/logs", s.h.HandleSourceLogs())        // View webhook logs
+		r.Post("/delete", s.h.HandleSourceDelete())                                // Delete webhook
+		r.Get("/logs", s.h.HandleSourceLogs())                                     // View webhook logs
+		r.Post("/entrypoints", s.h.HandleEntrypointCreate())                       // Add entrypoint
+		r.Post("/entrypoints/{entrypointID}/delete", s.h.HandleEntrypointDelete()) // Delete entrypoint
+		r.Post("/entrypoints/{entrypointID}/toggle", s.h.HandleEntrypointToggle()) // Toggle entrypoint active
+		r.Post("/targets", s.h.HandleTargetCreate())                               // Add target
+		r.Post("/targets/{targetID}/delete", s.h.HandleTargetDelete())             // Delete target
+		r.Post("/targets/{targetID}/toggle", s.h.HandleTargetToggle())             // Toggle target active
 	})
 
-	// Entrypoint endpoint - accepts incoming webhook POST requests
+	// Entrypoint endpoint — accepts incoming webhook POST requests only.
+	// Using HandleFunc so the handler itself can return 405 for non-POST
+	// methods (chi's Method routing returns 405 without Allow header).
 	s.router.HandleFunc("/webhook/{uuid}", s.h.HandleWebhook())
 }

internal/server/server.go

@@ -21,8 +21,7 @@ import (
 	"github.com/go-chi/chi"
 )
 
-// ServerParams is a standard fx naming convention for dependency injection
+// nolint:revive // ServerParams is a standard fx naming convention
-// nolint:golint
 type ServerParams struct {
 	fx.In
 	Logger     *logger.Logger
@@ -109,7 +108,7 @@ func (s *Server) serve() int {
 		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()
 		}
 	}()
@@ -117,13 +116,13 @@ func (s *Server) serve() int {
 	go s.serveUntilShutdown()
 
 	<-s.ctx.Done()
-	s.cleanShutdown()
+	// Shutdown is handled by the fx OnStop hook (cleanShutdown).
+	// Do not call cleanShutdown() here to avoid a 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() {

internal/session/session.go

@@ -1,6 +1,7 @@
 package session
 
 import (
+	"context"
 	"encoding/base64"
 	"fmt"
 	"log/slog"
@@ -9,6 +10,7 @@ import (
 	"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"
 )
 
@@ -29,8 +31,9 @@ const (
 // nolint:revive // SessionParams is a standard fx naming convention
 type SessionParams struct {
 	fx.In
-	Config *config.Config
+	Config   *config.Config
-	Logger *logger.Logger
+	Database *database.Database
+	Logger   *logger.Logger
 }
 
 // Session manages encrypted session storage
@@ -40,39 +43,48 @@ type Session struct {
 	config *config.Config
 }
 
-// New creates a new session manager
+// 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 SessionParams) (*Session, error) {
-	if params.Config.SessionKey == "" {
-		return nil, fmt.Errorf("SESSION_KEY environment variable is required")
-	}
-
-	// Decode the base64 session key
-	keyBytes, err := base64.StdEncoding.DecodeString(params.Config.SessionKey)
-	if err != nil {
-		return nil, fmt.Errorf("invalid SESSION_KEY format: %w", err)
-	}
-
-	if len(keyBytes) != 32 {
-		return nil, fmt.Errorf("SESSION_KEY must be 32 bytes (got %d)", len(keyBytes))
-	}
-
-	store := sessions.NewCookieStore(keyBytes)
-
-	// Configure cookie options for security
-	store.Options = &sessions.Options{
-		Path:     "/",
-		MaxAge:   86400 * 7, // 7 days
-		HttpOnly: true,
-		Secure:   !params.Config.IsDev(), // HTTPS in production
-		SameSite: http.SameSiteLaxMode,
-	}
-
 	s := &Session{
-		store:  store,
 		log:    params.Logger.Get(),
 		config: params.Config,
 	}
 
+	lc.Append(fx.Hook{
+		OnStart: func(_ context.Context) error { // nolint:revive // ctx unused but required by fx
+			sessionKey, err := params.Database.GetOrCreateSessionKey()
+			if err != nil {
+				return fmt.Errorf("failed to get session key: %w", err)
+			}
+
+			keyBytes, err := base64.StdEncoding.DecodeString(sessionKey)
+			if err != nil {
+				return fmt.Errorf("invalid session key format: %w", err)
+			}
+
+			if len(keyBytes) != 32 {
+				return fmt.Errorf("session key must be 32 bytes (got %d)", len(keyBytes))
+			}
+
+			store := sessions.NewCookieStore(keyBytes)
+
+			// Configure cookie options for security
+			store.Options = &sessions.Options{
+				Path:     "/",
+				MaxAge:   86400 * 7, // 7 days
+				HttpOnly: true,
+				Secure:   !params.Config.IsDev(), // HTTPS in production
+				SameSite: http.SameSiteLaxMode,
+			}
+
+			s.store = store
+			s.log.Info("session manager initialized")
+			return nil
+		},
+	})
+
 	return s, nil
 }
 
@@ -123,3 +135,50 @@ 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[interface{}]interface{})
+	for k, v := range oldSess.Values {
+		oldValues[k] = v
+	}
+
+	// Destroy the old session
+	oldSess.Options.MaxAge = -1
+	s.ClearUser(oldSess)
+	if err := oldSess.Save(r, w); 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
+	for k, v := range oldValues {
+		newSess.Values[k] = v
+	}
+
+	// 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:   86400 * 7,
+		HttpOnly: true,
+		Secure:   !s.config.IsDev(),
+		SameSite: http.SameSiteLaxMode,
+	}
+
+	return newSess, nil
+}

internal/session/session_test.go

@@ -0,0 +1,378 @@
+package session
+
+import (
+	"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"
+)
+
+// testSession creates a Session with a real cookie store for testing.
+func testSession(t *testing.T) *Session {
+	t.Helper()
+	key := make([]byte, 32)
+	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 NewForTest(store, cfg, log)
+}
+
+// --- Get and Save Tests ---
+
+func TestGet_NewSession(t *testing.T) {
+	t.Parallel()
+	s := testSession(t)
+
+	req := httptest.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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 == 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", SessionName)
+}
+
+// --- SetUser and User Retrieval Tests ---
+
+func TestSetUser_SetsAllFields(t *testing.T) {
+	t.Parallel()
+	s := testSession(t)
+
+	req := httptest.NewRequest(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[UserIDKey])
+	assert.Equal(t, "alice", sess.Values[UsernameKey])
+	assert.Equal(t, true, sess.Values[AuthenticatedKey])
+}
+
+func TestGetUserID(t *testing.T) {
+	t.Parallel()
+	s := testSession(t)
+
+	req := httptest.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(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.NewRequest(http.MethodGet, "/", nil)
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	// Set authenticated to a non-bool value
+	sess.Values[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.NewRequest(http.MethodGet, "/", nil)
+	sess, err := s.Get(req)
+	require.NoError(t, err)
+
+	s.SetUser(sess, "user-123", "alice")
+	s.ClearUser(sess)
+
+	_, hasUserID := sess.Values[UserIDKey]
+	assert.False(t, hasUserID, "UserIDKey should be removed")
+
+	_, hasUsername := sess.Values[UsernameKey]
+	assert.False(t, hasUsername, "UsernameKey should be removed")
+
+	_, hasAuth := sess.Values[AuthenticatedKey]
+	assert.False(t, hasAuth, "AuthenticatedKey should be removed")
+}
+
+// --- Destroy Tests ---
+
+func TestDestroy_InvalidatesSession(t *testing.T) {
+	t.Parallel()
+	s := testSession(t)
+
+	req := httptest.NewRequest(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[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.NewRequest(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.NewRequest(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", SessionName)
+	assert.Equal(t, "user_id", UserIDKey)
+	assert.Equal(t, "username", UsernameKey)
+	assert.Equal(t, "authenticated", AuthenticatedKey)
+}
+
+// --- Edge Cases ---
+
+func TestSetUser_OverwritesPreviousUser(t *testing.T) {
+	t.Parallel()
+	s := testSession(t)
+
+	req := httptest.NewRequest(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.NewRequest(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.NewRequest(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 it)
+	responseCookies := w2.Result().Cookies()
+	var sessionCookie *http.Cookie
+	for _, c := range responseCookies {
+		if c.Name == SessionName {
+			sessionCookie = c
+			break
+		}
+	}
+	require.NotNil(t, sessionCookie, "should have a session cookie in response")
+	assert.True(t, sessionCookie.MaxAge < 0, "destroyed session cookie should have negative MaxAge")
+}

internal/session/testing.go

@@ -0,0 +1,19 @@
+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.
+func NewForTest(store *sessions.CookieStore, cfg *config.Config, log *slog.Logger) *Session {
+	return &Session{
+		store:  store,
+		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 "sneak.berlin/go/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"
-
-	"github.com/spf13/afero"
-	"sneak.berlin/go/webhooker/pkg/config"
-)
-
-// 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"
-
-	"sneak.berlin/go/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 sneak.berlin/go/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=
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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
-}

templates/login.html

@@ -23,6 +23,7 @@
             {{end}}
 
             <form method="POST" action="/pages/login" class="space-y-6">
+                <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
                 <div class="form-group">
                     <label for="username" class="label">Username</label>
                     <input

templates/navbar.html

@@ -25,6 +25,7 @@
                 {{.User.Username}}
             </a>
             <form method="POST" action="/pages/logout" class="inline">
+                <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
                 <button type="submit" class="btn-text">Logout</button>
             </form>
             {{else}}
@@ -40,6 +41,7 @@
             <a href="/sources" class="btn-text w-full text-left">Sources</a>
             <a href="/user/{{.User.Username}}" class="btn-text w-full text-left">Profile</a>
             <form method="POST" action="/pages/logout">
+                <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
                 <button type="submit" class="btn-text w-full text-left">Logout</button>
             </form>
             {{else}}

templates/source_detail.html

@@ -0,0 +1,178 @@
+{{template "base" .}}
+
+{{define "title"}}{{.Webhook.Name}} - Webhooker{{end}}
+
+{{define "content"}}
+<div class="max-w-6xl mx-auto px-6 py-8" x-data="{ showAddEntrypoint: false, showAddTarget: false }">
+    <div class="mb-6">
+        <a href="/sources" class="text-sm text-primary-600 hover:text-primary-700">&larr; Back to webhooks</a>
+        <div class="flex justify-between items-center mt-2">
+            <div>
+                <h1 class="text-2xl font-medium text-gray-900">{{.Webhook.Name}}</h1>
+                {{if .Webhook.Description}}
+                <p class="text-sm text-gray-500 mt-1">{{.Webhook.Description}}</p>
+                {{end}}
+            </div>
+            <div class="flex gap-2">
+                <a href="/source/{{.Webhook.ID}}/logs" class="btn-secondary">Event Log</a>
+                <a href="/source/{{.Webhook.ID}}/edit" class="btn-secondary">Edit</a>
+                <form method="POST" action="/source/{{.Webhook.ID}}/delete" onsubmit="return confirm('Delete this webhook and all its data?')">
+                    <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+                    <button type="submit" class="btn-danger">Delete</button>
+                </form>
+            </div>
+        </div>
+    </div>
+
+    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
+        <!-- Entrypoints -->
+        <div class="card">
+            <div class="p-4 border-b border-gray-200 flex justify-between items-center">
+                <h2 class="text-lg font-medium text-gray-900">Entrypoints</h2>
+                <button @click="showAddEntrypoint = !showAddEntrypoint" class="btn-text text-sm">
+                    <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
+                    </svg>
+                    Add
+                </button>
+            </div>
+
+            <!-- Add entrypoint form -->
+            <div x-show="showAddEntrypoint" x-cloak class="p-4 bg-gray-50 border-b border-gray-200">
+                <form method="POST" action="/source/{{.Webhook.ID}}/entrypoints" class="flex gap-2">
+                    <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+                    <input type="text" name="description" placeholder="Description (optional)" class="input text-sm flex-1">
+                    <button type="submit" class="btn-primary text-sm">Add</button>
+                </form>
+            </div>
+
+            <div class="divide-y divide-gray-100">
+                {{range .Entrypoints}}
+                <div class="p-4">
+                    <div class="flex items-center justify-between mb-1">
+                        <span class="text-sm font-medium text-gray-900">{{if .Description}}{{.Description}}{{else}}Entrypoint{{end}}</span>
+                        <div class="flex items-center gap-2">
+                            {{if .Active}}
+                            <span class="badge-success">Active</span>
+                            {{else}}
+                            <span class="badge-error">Inactive</span>
+                            {{end}}
+                            <form method="POST" action="/source/{{$.Webhook.ID}}/entrypoints/{{.ID}}/toggle" class="inline">
+                                <input type="hidden" name="csrf_token" value="{{$.CSRFToken}}">
+                                <button type="submit" class="text-xs text-gray-500 hover:text-primary-600" title="{{if .Active}}Deactivate{{else}}Activate{{end}}">
+                                    {{if .Active}}Deactivate{{else}}Activate{{end}}
+                                </button>
+                            </form>
+                            <form method="POST" action="/source/{{$.Webhook.ID}}/entrypoints/{{.ID}}/delete" onsubmit="return confirm('Delete this entrypoint?')" class="inline">
+                                <input type="hidden" name="csrf_token" value="{{$.CSRFToken}}">
+                                <button type="submit" class="text-xs text-red-500 hover:text-red-700" title="Delete">Delete</button>
+                            </form>
+                        </div>
+                    </div>
+                    <code class="text-xs text-gray-500 break-all block mt-1">{{$.BaseURL}}/webhook/{{.Path}}</code>
+                </div>
+                {{else}}
+                <div class="p-4 text-sm text-gray-500">No entrypoints configured.</div>
+                {{end}}
+            </div>
+        </div>
+
+        <!-- Targets -->
+        <div class="card">
+            <div class="p-4 border-b border-gray-200 flex justify-between items-center">
+                <h2 class="text-lg font-medium text-gray-900">Targets</h2>
+                <button @click="showAddTarget = !showAddTarget" class="btn-text text-sm">
+                    <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
+                    </svg>
+                    Add
+                </button>
+            </div>
+
+            <!-- Add target form -->
+            <div x-show="showAddTarget" x-cloak class="p-4 bg-gray-50 border-b border-gray-200">
+                <form method="POST" action="/source/{{.Webhook.ID}}/targets" x-data="{ targetType: 'http' }" class="space-y-3">
+                    <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+                    <div class="flex gap-2">
+                        <input type="text" name="name" placeholder="Target name" required class="input text-sm flex-1">
+                        <select name="type" x-model="targetType" class="input text-sm w-32">
+                            <option value="http">HTTP</option>
+                            <option value="database">Database</option>
+                            <option value="log">Log</option>
+                        </select>
+                    </div>
+                    <div x-show="targetType === 'http'">
+                        <input type="url" name="url" placeholder="https://example.com/webhook" class="input text-sm">
+                    </div>
+                    <div x-show="targetType === 'http'" class="flex gap-2 items-center">
+                        <label class="text-sm text-gray-700">Max retries (0 = fire-and-forget):</label>
+                        <input type="number" name="max_retries" value="0" min="0" max="20" class="input text-sm w-24">
+                    </div>
+                    <button type="submit" class="btn-primary text-sm">Add Target</button>
+                </form>
+            </div>
+
+            <div class="divide-y divide-gray-100">
+                {{range .Targets}}
+                <div class="p-4">
+                    <div class="flex items-center justify-between mb-1">
+                        <span class="text-sm font-medium text-gray-900">{{.Name}}</span>
+                        <div class="flex items-center gap-2">
+                            <span class="badge-info">{{.Type}}</span>
+                            {{if .Active}}
+                            <span class="badge-success">Active</span>
+                            {{else}}
+                            <span class="badge-error">Inactive</span>
+                            {{end}}
+                            <form method="POST" action="/source/{{$.Webhook.ID}}/targets/{{.ID}}/toggle" class="inline">
+                                <input type="hidden" name="csrf_token" value="{{$.CSRFToken}}">
+                                <button type="submit" class="text-xs text-gray-500 hover:text-primary-600" title="{{if .Active}}Deactivate{{else}}Activate{{end}}">
+                                    {{if .Active}}Deactivate{{else}}Activate{{end}}
+                                </button>
+                            </form>
+                            <form method="POST" action="/source/{{$.Webhook.ID}}/targets/{{.ID}}/delete" onsubmit="return confirm('Delete this target?')" class="inline">
+                                <input type="hidden" name="csrf_token" value="{{$.CSRFToken}}">
+                                <button type="submit" class="text-xs text-red-500 hover:text-red-700" title="Delete">Delete</button>
+                            </form>
+                        </div>
+                    </div>
+                    {{if .Config}}
+                    <code class="text-xs text-gray-500 break-all block mt-1">{{.Config}}</code>
+                    {{end}}
+                </div>
+                {{else}}
+                <div class="p-4 text-sm text-gray-500">No targets configured.</div>
+                {{end}}
+            </div>
+        </div>
+    </div>
+
+    <!-- Recent Events -->
+    <div class="card mt-6">
+        <div class="p-4 border-b border-gray-200 flex justify-between items-center">
+            <h2 class="text-lg font-medium text-gray-900">Recent Events</h2>
+            <a href="/source/{{.Webhook.ID}}/logs" class="btn-text text-sm">View All</a>
+        </div>
+        <div class="divide-y divide-gray-100">
+            {{range .Events}}
+            <div class="p-4">
+                <div class="flex items-center justify-between">
+                    <div class="flex items-center gap-3">
+                        <span class="badge-info">{{.Method}}</span>
+                        <span class="text-sm text-gray-500">{{.ContentType}}</span>
+                    </div>
+                    <span class="text-xs text-gray-400">{{.CreatedAt.Format "2006-01-02 15:04:05 UTC"}}</span>
+                </div>
+            </div>
+            {{else}}
+            <div class="p-8 text-center text-sm text-gray-500">No events received yet.</div>
+            {{end}}
+        </div>
+    </div>
+
+    <!-- Info -->
+    <div class="mt-4 text-sm text-gray-400">
+        <p>Retention: {{.Webhook.RetentionDays}} days &middot; Created: {{.Webhook.CreatedAt.Format "2006-01-02 15:04:05 UTC"}}</p>
+    </div>
+</div>
+{{end}}

templates/source_edit.html

@@ -0,0 +1,41 @@
+{{template "base" .}}
+
+{{define "title"}}Edit {{.Webhook.Name}} - Webhooker{{end}}
+
+{{define "content"}}
+<div class="max-w-2xl mx-auto px-6 py-8">
+    <div class="mb-6">
+        <a href="/source/{{.Webhook.ID}}" class="text-sm text-primary-600 hover:text-primary-700">&larr; Back to {{.Webhook.Name}}</a>
+        <h1 class="text-2xl font-medium text-gray-900 mt-2">Edit Webhook</h1>
+    </div>
+
+    <div class="card p-6">
+        {{if .Error}}
+        <div class="alert-error">{{.Error}}</div>
+        {{end}}
+
+        <form method="POST" action="/source/{{.Webhook.ID}}/edit" class="space-y-6">
+            <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+            <div class="form-group">
+                <label for="name" class="label">Name</label>
+                <input type="text" id="name" name="name" value="{{.Webhook.Name}}" required class="input">
+            </div>
+
+            <div class="form-group">
+                <label for="description" class="label">Description</label>
+                <textarea id="description" name="description" rows="3" class="input">{{.Webhook.Description}}</textarea>
+            </div>
+
+            <div class="form-group">
+                <label for="retention_days" class="label">Retention (days)</label>
+                <input type="number" id="retention_days" name="retention_days" value="{{.Webhook.RetentionDays}}" min="1" max="365" class="input">
+            </div>
+
+            <div class="flex gap-3">
+                <button type="submit" class="btn-primary">Save Changes</button>
+                <a href="/source/{{.Webhook.ID}}" class="btn-secondary">Cancel</a>
+            </div>
+        </form>
+    </div>
+</div>
+{{end}}

templates/source_logs.html

@@ -0,0 +1,61 @@
+{{template "base" .}}
+
+{{define "title"}}Event Log - {{.Webhook.Name}} - Webhooker{{end}}
+
+{{define "content"}}
+<div class="max-w-6xl mx-auto px-6 py-8">
+    <div class="mb-6">
+        <a href="/source/{{.Webhook.ID}}" class="text-sm text-primary-600 hover:text-primary-700">&larr; Back to {{.Webhook.Name}}</a>
+        <div class="flex justify-between items-center mt-2">
+            <h1 class="text-2xl font-medium text-gray-900">Event Log</h1>
+            <span class="text-sm text-gray-500">{{.TotalEvents}} total event{{if ne .TotalEvents 1}}s{{end}}</span>
+        </div>
+    </div>
+
+    <div class="card">
+        <div class="divide-y divide-gray-100">
+            {{range .Events}}
+            <div class="p-4" x-data="{ open: false }">
+                <div class="flex items-center justify-between cursor-pointer" @click="open = !open">
+                    <div class="flex items-center gap-3">
+                        <span class="badge-info">{{.Method}}</span>
+                        <span class="text-sm font-mono text-gray-700">{{.ID}}</span>
+                        <span class="text-sm text-gray-500">{{.ContentType}}</span>
+                    </div>
+                    <div class="flex items-center gap-4">
+                        {{range .Deliveries}}
+                        <span class="text-xs {{if eq .Status "delivered"}}text-green-600{{else if eq .Status "failed"}}text-red-600{{else if eq .Status "retrying"}}text-yellow-600{{else}}text-gray-400{{end}}">
+                            {{.Target.Name}}: {{.Status}}
+                        </span>
+                        {{end}}
+                        <span class="text-xs text-gray-400">{{.CreatedAt.Format "2006-01-02 15:04:05"}}</span>
+                        <svg class="w-4 h-4 text-gray-400 transition-transform" :class="{ 'rotate-180': open }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>
+                        </svg>
+                    </div>
+                </div>
+
+                <div x-show="open" x-cloak class="mt-3 p-3 bg-gray-50 rounded-md">
+                    <pre class="text-xs text-gray-700 overflow-x-auto whitespace-pre-wrap break-all">{{.Body}}</pre>
+                </div>
+            </div>
+            {{else}}
+            <div class="p-12 text-center text-sm text-gray-500">No events recorded yet.</div>
+            {{end}}
+        </div>
+    </div>
+
+    <!-- Pagination -->
+    {{if or .HasPrev .HasNext}}
+    <div class="flex justify-center gap-2 mt-6">
+        {{if .HasPrev}}
+        <a href="/source/{{.Webhook.ID}}/logs?page={{.PrevPage}}" class="btn-secondary text-sm">&larr; Previous</a>
+        {{end}}
+        <span class="inline-flex items-center px-4 py-2 text-sm text-gray-500">Page {{.Page}} of {{.TotalPages}}</span>
+        {{if .HasNext}}
+        <a href="/source/{{.Webhook.ID}}/logs?page={{.NextPage}}" class="btn-secondary text-sm">Next &rarr;</a>
+        {{end}}
+    </div>
+    {{end}}
+</div>
+{{end}}

templates/sources_list.html

@@ -0,0 +1,49 @@
+{{template "base" .}}
+
+{{define "title"}}Sources - Webhooker{{end}}
+
+{{define "content"}}
+<div class="max-w-6xl mx-auto px-6 py-8">
+    <div class="flex justify-between items-center mb-6">
+        <h1 class="text-2xl font-medium text-gray-900">Webhooks</h1>
+        <a href="/sources/new" class="btn-primary">
+            <svg class="w-5 h-5 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
+            </svg>
+            New Webhook
+        </a>
+    </div>
+
+    {{if .Webhooks}}
+    <div class="grid gap-4">
+        {{range .Webhooks}}
+        <a href="/source/{{.ID}}" class="card-elevated p-6 block">
+            <div class="flex justify-between items-start">
+                <div>
+                    <h2 class="text-lg font-medium text-gray-900">{{.Name}}</h2>
+                    {{if .Description}}
+                    <p class="text-sm text-gray-500 mt-1">{{.Description}}</p>
+                    {{end}}
+                </div>
+                <span class="badge-info">{{.RetentionDays}}d retention</span>
+            </div>
+            <div class="flex gap-6 mt-4 text-sm text-gray-500">
+                <span>{{.EntrypointCount}} entrypoint{{if ne .EntrypointCount 1}}s{{end}}</span>
+                <span>{{.TargetCount}} target{{if ne .TargetCount 1}}s{{end}}</span>
+                <span>{{.EventCount}} event{{if ne .EventCount 1}}s{{end}}</span>
+            </div>
+        </a>
+        {{end}}
+    </div>
+    {{else}}
+    <div class="card p-12 text-center">
+        <svg class="w-16 h-16 text-gray-300 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1"/>
+        </svg>
+        <h2 class="text-lg font-medium text-gray-900 mb-2">No webhooks yet</h2>
+        <p class="text-gray-500 mb-6">Create your first webhook to start receiving and forwarding events.</p>
+        <a href="/sources/new" class="btn-primary">Create Webhook</a>
+    </div>
+    {{end}}
+</div>
+{{end}}

templates/sources_new.html

@@ -0,0 +1,42 @@
+{{template "base" .}}
+
+{{define "title"}}New Webhook - Webhooker{{end}}
+
+{{define "content"}}
+<div class="max-w-2xl mx-auto px-6 py-8">
+    <div class="mb-6">
+        <a href="/sources" class="text-sm text-primary-600 hover:text-primary-700">&larr; Back to webhooks</a>
+        <h1 class="text-2xl font-medium text-gray-900 mt-2">Create Webhook</h1>
+    </div>
+
+    <div class="card p-6">
+        {{if .Error}}
+        <div class="alert-error">{{.Error}}</div>
+        {{end}}
+
+        <form method="POST" action="/sources/new" class="space-y-6">
+            <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+            <div class="form-group">
+                <label for="name" class="label">Name</label>
+                <input type="text" id="name" name="name" required autofocus placeholder="My Webhook" class="input">
+            </div>
+
+            <div class="form-group">
+                <label for="description" class="label">Description</label>
+                <textarea id="description" name="description" rows="3" placeholder="Optional description" class="input"></textarea>
+            </div>
+
+            <div class="form-group">
+                <label for="retention_days" class="label">Retention (days)</label>
+                <input type="number" id="retention_days" name="retention_days" value="30" min="1" max="365" class="input">
+                <p class="text-xs text-gray-500 mt-1">How long to keep event data.</p>
+            </div>
+
+            <div class="flex gap-3">
+                <button type="submit" class="btn-primary">Create Webhook</button>
+                <a href="/sources" class="btn-secondary">Cancel</a>
+            </div>
+        </form>
+    </div>
+</div>
+{{end}}