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Refactor Dockerfile to use a separate lint stage with a pinned golangci-lint v2.11.3 Docker image instead of installing golangci-lint via curl in the builder stage. This follows the pattern used by sneak/pixa. Changes: - Dockerfile: separate lint stage using golangci/golangci-lint:v2.11.3 (Debian-based, pinned by sha256) with COPY --from=lint dependency - Bump Go from 1.24 to 1.26.1 (golang:1.26.1-bookworm, pinned) - Bump golangci-lint from v1.64.8 to v2.11.3 - Migrate .golangci.yml from v1 to v2 format (same linters, format only) - All Docker images pinned by sha256 digest - Fix all lint issues from the v2 linter upgrade: - Add package comments to all packages - Add doc comments to all exported types, functions, and methods - Fix unchecked errors (errcheck) - Fix unused parameters (revive) - Fix gosec warnings (MaxBytesReader for form parsing) - Fix staticcheck suggestions (fmt.Fprintf instead of WriteString) - Rename DeliveryTask to Task to avoid stutter (delivery.Task) - Rename shadowed builtin 'max' parameter - Update README.md version requirements
82 lines
2.4 KiB
Docker
82 lines
2.4 KiB
Docker
# Lint stage
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# golangci/golangci-lint:v2.11.3 (Debian-based), 2026-03-17
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# Using Debian-based image because mattn/go-sqlite3 (CGO) does not
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# compile on Alpine musl (off64_t is a glibc type).
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FROM golangci/golangci-lint:v2.11.3@sha256:e838e8ab68aaefe83e2408691510867ade9329c0e0b895a3fb35eb93d1c2a4ba AS lint
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RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
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WORKDIR /src
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# Copy go mod files first for better layer caching
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy source code
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COPY . .
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# Run formatting check and linter
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RUN make fmt-check
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RUN make lint
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# Build stage
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# golang:1.26.1-bookworm (Debian-based), 2026-03-17
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# Using Debian-based image because gorm.io/driver/sqlite pulls in
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# mattn/go-sqlite3 (CGO), which does not compile on Alpine musl.
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FROM golang:1.26.1-bookworm@sha256:4465644228bc2857a954b092167e12aa59c006a3492282a6c820bf4755fd64a4 AS builder
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# Depend on lint stage passing
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COPY --from=lint /src/go.sum /dev/null
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RUN apt-get update && apt-get install -y --no-install-recommends make && rm -rf /var/lib/apt/lists/*
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WORKDIR /build
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# Copy go mod files first for better layer caching
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy source code
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COPY . .
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# Run tests and build
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RUN make test
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RUN make build
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# Rebuild with static linking for Alpine runtime.
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# make build already verified compilation.
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# The CGO binary from `make build` is dynamically linked against glibc,
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# which doesn't exist on Alpine (musl). Rebuild with static linking so
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# the binary runs on Alpine without glibc.
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RUN CGO_ENABLED=1 go build -ldflags '-extldflags "-static"' -o bin/webhooker ./cmd/webhooker
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# Runtime stage
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# alpine:3.21, 2026-03-17
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FROM alpine:3.21@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
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RUN apk --no-cache add ca-certificates
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# Create non-root user
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RUN addgroup -g 1000 -S webhooker && \
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adduser -u 1000 -S webhooker -G webhooker
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WORKDIR /app
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# Copy binary from builder
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COPY --from=builder /build/bin/webhooker /app/webhooker
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# Create data directory for all SQLite databases (main app DB +
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# per-webhook event DBs). DATA_DIR defaults to /var/lib/webhooker.
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RUN mkdir -p /var/lib/webhooker
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RUN chown -R webhooker:webhooker /app /var/lib/webhooker
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USER webhooker
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/.well-known/healthcheck || exit 1
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CMD ["/app/webhooker"]
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