FROM golang:1.15-alpine as builder RUN apk add --no-cache git WORKDIR /go/croc COPY . . RUN go build -v FROM alpine:latest EXPOSE 9009 EXPOSE 9010 EXPOSE 9011 EXPOSE 9012 EXPOSE 9013 COPY --from=builder /go/croc/croc /go/croc/croc-entrypoint.sh / ENTRYPOINT ["/croc-entrypoint.sh"] CMD ["relay"]