89 lines
2.7 KiB
Docker
89 lines
2.7 KiB
Docker
ARG BASE_VARIANT=bullseye
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ARG GO_VERSION=1.17
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ARG XX_VERSION=1.1.0
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ARG LIBGIT2_IMG=ghcr.io/fluxcd/golang-with-libgit2
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ARG LIBGIT2_TAG=libgit2-1.1.1-1
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FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
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FROM ${LIBGIT2_IMG}:${LIBGIT2_TAG} as libgit2
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FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-${BASE_VARIANT} as gostable
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FROM gostable AS go-linux
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FROM go-${TARGETOS} AS build-base-bullseye
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# Copy the build utilities
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COPY --from=xx / /
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COPY --from=libgit2 /Makefile /libgit2/
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# Install the libgit2 build dependencies
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RUN make -C /libgit2 cmake
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ARG TARGETPLATFORM
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RUN make -C /libgit2 dependencies
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FROM build-base-${BASE_VARIANT} as libgit2-bullseye
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ARG TARGETPLATFORM
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# build libgit2 in release mode
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ARG BUILD_TYPE=Release
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# First build libgit2 statically, this ensures that all its dependencies
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# will be statically available as well.
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ARG BUILD_SHARED_LIBS=OFF
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RUN FLAGS=$(xx-clang --print-cmake-defines) make -C /libgit2 libgit2
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# Rebuild libgit2 this time to generate the shared libraries.
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ARG BUILD_SHARED_LIBS=ON
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RUN FLAGS=$(xx-clang --print-cmake-defines) make -C /libgit2 libgit2
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FROM libgit2-${BASE_VARIANT} as build
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# Configure workspace
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WORKDIR /workspace
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# Copy api submodule
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COPY api/ api/
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# Copy modules manifests
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COPY go.mod go.mod
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COPY go.sum go.sum
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# Cache modules
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RUN go mod download
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# Copy source code
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COPY main.go main.go
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COPY controllers/ controllers/
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COPY pkg/ pkg/
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COPY internal/ internal/
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# Build the binary
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ENV CGO_ENABLED=1
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ARG TARGETPLATFORM
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# ARCH armv7 requires additional linking to build correctly.
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# Note that the order in which the libraries appear in -extldflags are relevant, changing them will cause the build to break.
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RUN if [ "$(xx-info march)" = "armv7l" ]; then export ADDITIONAL_LINKING="/lib/ld-linux-armhf.so.3"; else export ADDITIONAL_LINKING=""; fi && \
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xx-go build \
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-ldflags "-s -w -extldflags \"/usr/lib/$(xx-info triple)/libssh2.a /usr/lib/$(xx-info triple)/libssl.a /usr/lib/$(xx-info triple)/libcrypto.a /usr/lib/$(xx-info triple)/libz.a /usr/lib/$(xx-info triple)/libdl.a /usr/lib/$(xx-info triple)/libc.a ${ADDITIONAL_LINKING} -static\"" \
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-tags 'netgo osusergo static_build' -o source-controller -trimpath main.go;
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# Cannot use distroless/static due to lingering dependencies on libnss.
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FROM gcr.io/distroless/base-debian11 as controller
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# Link repo to the GitHub Container Registry image
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LABEL org.opencontainers.image.source="https://github.com/fluxcd/source-controller"
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# Copy over binary from build
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COPY --from=build /workspace/source-controller /usr/local/bin/
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COPY ATTRIBUTIONS.md /
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# leverages nonroot available in gcr.io/distroless/base-debian11
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USER nonroot
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ENTRYPOINT [ "source-controller" ]
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