FROM --platform=$BUILDPLATFORM golang AS build ARG GIT_DESC=undefined WORKDIR /go/src/github.com/Snawoot/dumbproxy COPY . . RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -a -tags netgo -ldflags '-s -w -extldflags "-static" -X main.version='"$GIT_DESC" ADD https://curl.haxx.se/ca/cacert.pem /certs.crt RUN chmod 0644 /certs.crt RUN mkdir /.dumbproxy FROM scratch AS scratch COPY --from=build /go/src/github.com/Snawoot/dumbproxy/dumbproxy / COPY --from=build /certs.crt /etc/ssl/certs/ca-certificates.crt COPY --from=build --chown=9999:9999 /.dumbproxy /.dumbproxy USER 9999:9999 EXPOSE 8080/tcp ENTRYPOINT ["/dumbproxy", "-bind-address", ":8080"] FROM alpine AS alpine COPY --from=build /go/src/github.com/Snawoot/dumbproxy/dumbproxy / COPY --from=build /certs.crt /etc/ssl/certs/ca-certificates.crt COPY --from=build --chown=9999:9999 /.dumbproxy /.dumbproxy USER 9999:9999 EXPOSE 8080/tcp ENTRYPOINT ["/dumbproxy", "-bind-address", ":8080"]