sneak
41ad87b3b9
check / check (push) Waiting to run
The Dockerfile runs make test and make build with Go's build cache in a BuildKit cache mount, so a build compiles only what changed since the last one instead of the standard library and every dependency from nothing. The mount has an id of its own, so builds of other repositories, compiled against other C headers, do not share it. script/test passes -count=1, so no test result is taken from the cache. Model: opus-5-5
90 lines
3.4 KiB
Docker
90 lines
3.4 KiB
Docker
# node and yarn, copied into the lint stage for prettier, which checks the
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# markdown formatting: node of the version script/bootstrap pins, built on
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# Debian as the lint stage's image is.
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# node:22.17.0-bookworm-slim, 2025-07-08
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FROM node@sha256:b04ce4ae4e95b522112c2e5c52f781471a5cbc3b594527bcddedee9bc48c03a0 AS node
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# 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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COPY --from=node /usr/local/bin/node /usr/local/bin/node
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COPY --from=node /opt/yarn-v1.22.22 /opt/yarn-v1.22.22
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ENV PATH="/opt/yarn-v1.22.22/bin:${PATH}"
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# script/bootstrap downloads the Go modules and installs prettier
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WORKDIR /src
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COPY script/ script/
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COPY go.mod go.sum package.json yarn.lock ./
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RUN script/bootstrap
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# script/cibuild sets CHECK_EPOCH to the current time, so the RUN steps
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# below run again on each build, an unchanged tree included, while the
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# steps above stay cached. ARG is per stage: the build stage declares it too.
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ARG CHECK_EPOCH
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COPY . .
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RUN make fmt-check
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# Not make lint or make lint-darwin: script/lint and script/lint-darwin are
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# docker builds, which cannot run in here. These are their commands.
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RUN golangci-lint run --config .golangci.yml ./...
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RUN GOOS=darwin CGO_ENABLED=0 go vet ./...
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RUN GOOS=darwin CGO_ENABLED=0 golangci-lint run --config .golangci.yml ./...
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# Build stage — tests and compilation
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# golang 1.24.13-alpine (2026-03-10)
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FROM golang@sha256:8bee1901f1e530bfb4a7850aa7a479d17ae3a18beb6e09064ed54cfd245b7191 AS builder
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# Force BuildKit to run the lint stage
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COPY --from=lint /src/go.sum /dev/null
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RUN apk add --no-cache gcc musl-dev make git gnupg
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WORKDIR /build
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COPY go.mod go.sum ./
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RUN go mod download
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# As in the lint stage: the RUN steps below run again on each script/cibuild.
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ARG CHECK_EPOCH
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COPY . .
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# This cache mount keeps Go's build cache between builds for make test and
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# make build; -count=1 in script/test keeps test results out of it. Go's cache
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# does not notice C header changes, so the mount has its own id: change the id
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# when the C packages installed above change.
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RUN --mount=type=cache,id=sneak/secret/go-build,target=/root/.cache/go-build \
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make test
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# The version stamped into the binary: the VERSION build argument when one
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# is given, otherwise `git describe --tags --always` of the .git the build
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# context carries: the tag on a tagged commit, tag-N-gHASH on a commit after
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# one, the short commit when no tag is reachable. A context that carries .git
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# and still yields no version fails the build.
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ARG VERSION
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RUN --mount=type=cache,id=sneak/secret/go-build,target=/root/.cache/go-build \
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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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make build VERSION="${version:-dev}"
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# Runtime stage
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# alpine 3.23 (2026-03-10)
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FROM alpine@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659
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RUN apk add --no-cache ca-certificates gnupg
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RUN adduser -D -s /bin/sh secret
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COPY --from=builder /build/secret /usr/local/bin/secret
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RUN chmod +x /usr/local/bin/secret
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USER secret
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WORKDIR /home/secret
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ENTRYPOINT ["secret"]
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