awesome-compose/traefik-golang/backend/Dockerfile

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Docker
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# syntax=docker/dockerfile:1.4
FROM --platform=$BUILDPLATFORM golang:1.18 AS build
WORKDIR /compose/hello-docker
COPY main.go main.go
RUN CGO_ENABLED=0 go build -o backend main.go
FROM build as dev-envs
RUN <<EOF
apt-get update
apt-get install -y --no-install-recommends git
EOF
RUN <<EOF
useradd -s /bin/bash -m vscode
groupadd docker
usermod -aG docker vscode
EOF
# install Docker tools (cli, buildx, compose)
COPY --from=gloursdocker/docker / /
CMD ["go", "run", "main.go"]
FROM scratch
COPY --from=build /compose/hello-docker/backend /usr/local/bin/backend
CMD ["/usr/local/bin/backend"]