Sample Dockerfile for Go projects.

Dockerfile

FROM golang:alpine AS builder
RUN apk --no-cache --update add git

RUN go get ... \
 && go get ... \
 && go get github.com/ddollar/forego

COPY . src/gitlab.com/example.com/auth
RUN cd src/gitlab.com/example.com/auth \
 && go build \
 && go install

FROM alpine:latest AS base
RUN apk --no-cache --update add bash

COPY --from=builder /go/bin/forego /usr/local/bin/
COPY --from=builder /go/bin/auth   /usr/local/bin/

RUN echo "web: /usr/local/bin/auth" >/root/Procfile
EXPOSE 5000/tcp
WORKDIR /root
ENTRYPOINT [ "forego", "start", "-r" ]