60 lines
2.6 KiB
Docker
60 lines
2.6 KiB
Docker
# Build the manager binary
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FROM --platform=$BUILDPLATFORM golang:1.24.3 AS builder
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WORKDIR /workspace
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# Make it runnable on a distroless image/without libc
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ENV CGO_ENABLED=0
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# Copy the Go Modules manifests
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COPY go.mod go.sum ./
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# cache deps before building and copying source so that we don't need to re-download as much
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# and so that source changes don't invalidate our downloaded layer.
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#
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# Also, we need to do this before setting TARGETPLATFORM/TARGETOS/TARGETARCH/TARGETVARIANT
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# so that go mod cache is shared across platforms.
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RUN go mod download
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# Copy the go source
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# COPY . .
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# Usage:
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# docker buildx build --tag repo/img:tag -f ./Dockerfile . --platform linux/amd64,linux/arm64,linux/arm/v7
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#
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# With the above commmand,
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# TARGETOS can be "linux", TARGETARCH can be "amd64", "arm64", and "arm", TARGETVARIANT can be "v7".
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ARG TARGETPLATFORM TARGETOS TARGETARCH TARGETVARIANT VERSION=dev COMMIT_SHA=dev
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# We intentionally avoid `--mount=type=cache,mode=0777,target=/go/pkg/mod` in the `go mod download` and the `go build` runs
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# to avoid https://github.com/moby/buildkit/issues/2334
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# We can use docker layer cache so the build is fast enogh anyway
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# We also use per-platform GOCACHE for the same reason.
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ENV GOCACHE="/build/${TARGETPLATFORM}/root/.cache/go-build"
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# Build
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RUN --mount=target=. \
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--mount=type=cache,mode=0777,target=${GOCACHE} \
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export GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${TARGETVARIANT#v} && \
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go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/manager main.go && \
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go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/ghalistener ./cmd/ghalistener && \
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go build -trimpath -ldflags="-s -w" -o /out/github-webhook-server ./cmd/githubwebhookserver && \
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go build -trimpath -ldflags="-s -w" -o /out/actions-metrics-server ./cmd/actionsmetricsserver && \
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go build -trimpath -ldflags="-s -w" -o /out/sleep ./cmd/sleep
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# Use distroless as minimal base image to package the manager binary
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# Refer to https://github.com/GoogleContainerTools/distroless for more details
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FROM gcr.io/distroless/static:nonroot
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WORKDIR /
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COPY --from=builder /out/manager .
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COPY --from=builder /out/github-webhook-server .
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COPY --from=builder /out/actions-metrics-server .
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COPY --from=builder /out/ghalistener .
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COPY --from=builder /out/sleep .
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USER 65532:65532
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ENTRYPOINT ["/manager"]
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