container-slides/020_advanced/160_dockerfile/Dockerfile at e90efb4464d782ebde8027d3028c973f0673a703 · nicholasdille/container-slides · GitHub

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# syntax = docker/dockerfile:1-experimental

# https://github.com/chris-crone/containerized-go-dev

FROM --platform=${BUILDPLATFORM} golang:1.23.3-alpine AS base
WORKDIR /src
ENV CGO_ENABLED=0
COPY go.* .
RUN go mod download

FROM base AS build
ARG TARGETOS
ARG TARGETARCH
RUN --mount=target=. \
    --mount=type=cache,target=/root/.cache/go-build \
    GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /out/example .

FROM base AS unit-test
RUN --mount=target=. \
    --mount=type=cache,target=/root/.cache/go-build \
    go test -v .

FROM golangci/golangci-lint:v2.2-alpine AS lint-base

FROM base AS lint
RUN --mount=target=. \
    --mount=from=lint-base,src=/usr/bin/golangci-lint,target=/usr/bin/golangci-lint \
    --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/root/.cache/golangci-lint \
    golangci-lint run --timeout 10m0s ./...

FROM scratch AS bin-unix
COPY --from=build /out/example /

FROM bin-unix AS bin-linux
FROM bin-unix AS bin-darwin

FROM scratch AS bin-windows
COPY --from=build /out/example /example.exe

FROM bin-${TARGETOS} AS bin