74 lines
1.7 KiB
Docker
74 lines
1.7 KiB
Docker
ARG BASE_VARIANT=alpine
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ARG GO_VERSION=1.20
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ARG XX_VERSION=1.2.1
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FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
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FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-${BASE_VARIANT} as gostable
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FROM gostable AS go-linux
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# Build-base consists of build platform dependencies and xx.
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# These will be used at current arch to yield execute the cross compilations.
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FROM go-${TARGETOS} AS build-base
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RUN apk add --no-cache clang lld
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COPY --from=xx / /
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# build-go-mod can still be cached at build platform architecture.
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FROM build-base as build
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ARG TARGETPLATFORM
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# Some dependencies have to installed
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# for the target platform: https://github.com/tonistiigi/xx#go--cgo
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RUN xx-apk add musl-dev gcc clang lld
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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 pkg/ pkg/
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COPY internal/ internal/
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ARG TARGETPLATFORM
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ARG TARGETARCH
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# Reasons why CGO is in use:
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# - The SHA1 implementation (sha1cd) used by go-git depends on CGO for
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# performance reasons. See: https://github.com/pjbgf/sha1cd/issues/15
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ENV CGO_ENABLED=1
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RUN export CGO_LDFLAGS="-static -fuse-ld=lld" && \
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xx-go build \
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-ldflags "-s -w" \
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-tags 'netgo,osusergo,static_build' \
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-o /source-controller -trimpath main.go;
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# Ensure that the binary was cross-compiled correctly to the target platform.
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RUN xx-verify --static /source-controller
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FROM alpine:3.18
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ARG TARGETPLATFORM
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RUN apk --no-cache add ca-certificates \
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&& update-ca-certificates
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# Copy over binary from build
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COPY --from=build /source-controller /usr/local/bin/
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USER 65534:65534
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ENTRYPOINT [ "source-controller" ]
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