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webhooker/Dockerfile
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Update golangci-lint to v2.12.2 with canonical config (#86)
Bumps golangci-lint from v2.11.3 to v2.12.2 and adopts the canonical lint config.

## Version pins

- `Dockerfile`: `golangci/golangci-lint:v2.12.2` Debian image, pinned by digest, dated `2026-08-07`
- `script/bootstrap`: `GOLANGCI_LINT_VERSION=2.12.2` with updated sha256 pins for the `linux-amd64` and `linux-arm64` release archives

## Config

`.golangci.yml` replaced with the canonical config. The previous file kept `lll`/`funlen`/`cyclop`/`dupl` settings under the top-level `linters-settings` key, which the v2 schema ignores; the canonical config nests them under `linters.settings`, so those thresholds now actually apply. The unsupported `issues.exclude-use-default` key was dropped.

## Lint fixes (32 findings)

- `lll` (7): wrapped or shortened over-length lines (struct tag comments moved above fields, test logger construction split, `session.NewForTest` signature wrapped, shortened a `#nosec` comment)
- `goconst` (17): replaced repeated `"POST"`/`"PUT"` literals with `http.MethodPost`/`http.MethodPut`, added shared test constants for `webhooker-test`/`test`/`application/json`, and added `tmplKeyError`/`tmplKeyWebhook` constants for template data keys in `internal/handlers`
- `dupl` (8): merged `buildHTTPTargetConfig` and `buildSlackTargetConfig` into a parameterized `buildURLTargetConfig`; removed the duplicate `iWebhookDB` test helper in favor of `testWebhookDB`; extracted shared helpers in middleware and session tests

No `//nolint` directives were added and behavior is unchanged. `make check` (fmt-check, tests, lint) passes.

Note: golangci-lint v2.12 deprecates the `gomodguard` linter in favor of `gomodguard_v2`; the canonical config change for that is left for a future coordinated update.
Co-authored-by: sneak <sneak@sneak.berlin>
Reviewed-on: #86
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-08-07 23:18:49 +02:00

82 lines
2.4 KiB
Docker

# Lint stage
# golangci/golangci-lint:v2.12.2 (Debian-based), 2026-08-07
# Using Debian-based image because mattn/go-sqlite3 (CGO) does not
# compile on Alpine musl (off64_t is a glibc type).
FROM golangci/golangci-lint:v2.12.2@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
WORKDIR /src
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Run formatting check and linter
RUN make fmt-check
RUN make lint
# Build stage
# golang:1.26.1-bookworm (Debian-based), 2026-03-17
# Using Debian-based image because gorm.io/driver/sqlite pulls in
# mattn/go-sqlite3 (CGO), which does not compile on Alpine musl.
FROM golang:1.26.1-bookworm@sha256:4465644228bc2857a954b092167e12aa59c006a3492282a6c820bf4755fd64a4 AS builder
# Depend on lint stage passing
COPY --from=lint /src/go.sum /dev/null
RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
WORKDIR /build
# Copy go mod files first for better layer caching
COPY go.mod go.sum ./
RUN go mod download
# Copy source code
COPY . .
# Run tests and build
RUN make test
RUN make build
# Rebuild with static linking for Alpine runtime.
# make build already verified compilation.
# The CGO binary from `make build` is dynamically linked against glibc,
# which doesn't exist on Alpine (musl). Rebuild with static linking so
# the binary runs on Alpine without glibc.
RUN CGO_ENABLED=1 go build -ldflags '-extldflags "-static"' -o bin/webhooker ./cmd/webhooker
# Runtime stage
# alpine:3.21, 2026-03-17
FROM alpine:3.21@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
RUN apk --no-cache add ca-certificates
# Create non-root user
RUN addgroup -g 1000 -S webhooker && \
adduser -u 1000 -S webhooker -G webhooker
WORKDIR /app
# Copy binary from builder
COPY --from=builder /build/bin/webhooker /app/webhooker
# Create data directory for all SQLite databases (main app DB +
# per-webhook event DBs). DATA_DIR defaults to /var/lib/webhooker.
RUN mkdir -p /var/lib/webhooker
RUN chown -R webhooker:webhooker /app /var/lib/webhooker
USER webhooker
EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck || exit 1
CMD ["/app/webhooker"]