sneak
2cd390e62e
check / check (pull_request) Blocked by required conditions
A plain `docker build .` now stamps the version into bsdaily: the VERSION build argument when one is given, otherwise `git describe --tags --always` of the .git in the build context. The build fails if the context carries .git and no version comes out. A host `make` build stamps the same `git describe` value, or dev when it yields nothing. bsdaily logs the version on the first line of every run and prints it with --version. The new .dockerignore is the canonical copy, which keeps .git/config out of the build context, plus this repo's host-built artifacts. script/docker is replaced with the canonical copy, which passes the version it derives on the host. Model: opus-5-5
71 lines
2.2 KiB
Docker
71 lines
2.2 KiB
Docker
# Lint stage
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# golangci/golangci-lint:v2.12.2-alpine
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FROM golangci/golangci-lint:v2.12.2-alpine@sha256:91b27804074a0bacea298707f016911e60cf0cdbc6c7bf5ccacb5f0606d18d60 AS lint
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RUN apk add --no-cache make build-base
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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:1.26.4-alpine
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FROM golang:1.26.4-alpine@sha256:3ad57304ad93bbec8548a0437ad9e06a455660655d9af011d58b993f6f615648 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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# Install build deps plus the sqlite3 and zstd CLIs the tests/tool shell out
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# to, and git, which the build step below derives the version with
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RUN apk add --no-cache make build-base sqlite zstd git
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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 tests
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RUN make test
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# Build (pure Go, no CGO required since we use modernc.org/sqlite).
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# The version stamped into the binary: the VERSION build argument when one is
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# given, otherwise `git describe --tags --always` of the .git the build context
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# carries: the tag on a tagged commit, tag-N-gHASH on a commit after one, the
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# short commit when no tag is reachable. A context that carries .git and still
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# yields no version fails the build. With neither, as from a source tarball,
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# the binary reports dev.
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ARG VERSION
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RUN version="${VERSION:-$(git describe --tags --always)}"; \
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if [ -e .git ] && { [ -z "$version" ] || [ "$version" = dev ] || \
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[ "$version" = unknown ]; }; then \
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echo "no version could be derived although the build context carries .git" >&2; \
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exit 1; \
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fi; \
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CGO_ENABLED=0 go build -ldflags="-X main.Version=${version:-dev}" \
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-o /bsdaily ./cmd/bsdaily
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# Runtime stage
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# alpine:3.21
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FROM alpine:3.21@sha256:48b0309ca019d89d40f670aa1bc06e426dc0931948452e8491e3d65087abc07d
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# bsdaily shells out to sqlite3, zstdmt, zstdcat at runtime
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RUN apk add --no-cache ca-certificates sqlite zstd
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# Copy binary from builder
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COPY --from=builder /bsdaily /usr/local/bin/bsdaily
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ENTRYPOINT ["/usr/local/bin/bsdaily"]
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