golang-with-libgit2/Dockerfile.libgit2-only at main · fluxcd/golang-with-libgit2 · GitHub

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# This Dockerfile builds and packages libgit2 only (not linked with openssl and libssh2)

ARG BASE_VARIANT=alpine
ARG GO_VERSION=1.19
ARG XX_VERSION=1.1.2

FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx

FROM --platform=$BUILDPLATFORM ${BASE_VARIANT} AS build-base

RUN apk add --no-cache \
        bash \
        curl \
        build-base \
        linux-headers \
        perl \
        cmake \
        python3-dev \
        pkgconfig \
        gcc \
        musl-dev \
        clang \
        lld

COPY --from=xx / /

FROM build-base AS build-cross

ARG TARGETPLATFORM

RUN xx-apk add --no-cache \
        build-base \
        pkgconfig \
        gcc \
        musl-dev \
        clang \
        lld \
        llvm \
        linux-headers

WORKDIR /build
COPY hack/static.sh .

ENV CC=xx-clang
ENV CXX=xx-clang++

RUN ./static.sh build_libgit2_only

# trimmed removes all non necessary files (i.e. openssl binary).
FROM build-cross AS trimmed

ARG TARGETPLATFORM
RUN mkdir -p /trimmed/usr/local/$(xx-info triple)/ && \
        mkdir -p /trimmed/usr/local/$(xx-info triple)/share

RUN cp -r /usr/local/$(xx-info triple)/lib/ /trimmed/usr/local/$(xx-info triple)/ && \
        cp -r /usr/local/$(xx-info triple)/include/ /trimmed/usr/local/$(xx-info triple)/

FROM scratch as libs-arm64
COPY --from=trimmed /trimmed/ /

FROM scratch as libs-amd64
COPY --from=trimmed /trimmed/ /

FROM scratch as libs-armv7
COPY --from=trimmed /trimmed/ /

FROM libs-$TARGETARCH$TARGETVARIANT as libs