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Bump the pinned golangci-lint from v2.12.1 to v2.12.2 in the Dockerfile lint stage (tagged, digest-pinned Debian image) and in script/bootstrap (go install ref). Replace .golangci.yml with the canonical config: linter settings (lll, funlen, cyclop, dupl) move under linters.settings per the v2 schema so they are actually applied, and the redundant issues.exclude-use-default key is dropped. No new lint findings surfaced; make check is green.
54 lines
1.6 KiB
Docker
54 lines
1.6 KiB
Docker
# Lint stage — fast feedback on formatting and lint issues
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# golangci/golangci-lint:v2.12.2 (Debian-based), 2026-08-07
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FROM golangci/golangci-lint:v2.12.2@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
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WORKDIR /src
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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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:1.25-alpine, 2026-07-23
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FROM golang@sha256:56961d79ea8129efddcc0b8643fd8a5416b4e6228cfd477e3fd61deb2672c587 AS builder
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RUN apk add --no-cache make
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# We never build or run as root. Create an unprivileged user and point
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# HOME and the Go caches at its home so go build/test and golangci-lint
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# can write their caches when we drop to it below.
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RUN adduser -D -u 1000 builder
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ENV HOME=/home/builder
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ENV GOPATH=/home/builder/go
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ENV GOCACHE=/home/builder/.cache/go-build
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WORKDIR /src
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# Reuse the linter binary from the lint stage; the copy also forces
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# BuildKit to complete linting before this stage proceeds.
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COPY --from=lint /usr/bin/golangci-lint /usr/local/bin/golangci-lint
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# Hand the sources and caches to the unprivileged user, then drop root
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# before running any checks or builds.
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RUN chown -R builder:builder /src /home/builder
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USER builder
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# Fail the build unless the branch is green. Runs as non-root so the
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# permission-denied test paths are exercised legitimately (root would
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# bypass the chmod(0) the tests rely on).
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RUN make check
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RUN make build
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# Runtime stage
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# alpine:3.22, 2026-07-23
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FROM alpine@sha256:14358309a308569c32bdc37e2e0e9694be33a9d99e68afb0f5ff33cc1f695dce
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COPY --from=builder /src/sfdupes /usr/local/bin/sfdupes
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ENTRYPOINT ["sfdupes"]
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