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Split Dockerfile: pre-built golangci-lint stage for faster CI #40

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opened 2026-03-02 08:51:05 +01:00 by clawbot · 1 comment
clawbot commented 2026-03-02 08:51:05 +01:00
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Goal

Split the Dockerfile into a dedicated lint stage using the pre-built golangci/golangci-lint image, so lint and formatting failures surface much faster without downloading golangci-lint on every build.

Key details

  • Lint stage: golangci/golangci-lint image runs make fmt-check + make lint
  • Build stage: standard Go image runs make test + make build
  • COPY --from=lint /src/go.sum /dev/null creates BuildKit stage dependency (without this, lint is silently skipped)
  • All images pinned by sha256 per REPO_POLICIES
  • Reference: sneak/upaas Dockerfile

Tracked from sdlc-manager#6.

## Goal Split the Dockerfile into a dedicated lint stage using the pre-built `golangci/golangci-lint` image, so lint and formatting failures surface much faster without downloading golangci-lint on every build. ## Key details - Lint stage: `golangci/golangci-lint` image runs `make fmt-check` + `make lint` - Build stage: standard Go image runs `make test` + `make build` - `COPY --from=lint /src/go.sum /dev/null` creates BuildKit stage dependency (without this, lint is silently skipped) - All images pinned by sha256 per REPO_POLICIES - Reference: [sneak/upaas Dockerfile](https://git.eeqj.de/sneak/upaas/src/branch/main/Dockerfile) Tracked from [sdlc-manager#6](https://git.eeqj.de/clawbot/sdlc-manager/issues/6).
clawbot commented 2026-03-02 10:12:48 +01:00
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Closing: duplicate of #39.

Closing: duplicate of [#39](https://git.eeqj.de/sneak/mfer/issues/39).
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Reference: sneak/mfer#40
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