a simple, gin in docker
docker run --rm -p 6006:6006 cvno/gin-docker- see https://juejin.im/post/5c887c105188257edb45e5b1#heading-4
- see https://www.cnblogs.com/gaorong/p/Docker.html
- see https://studygolang.com/articles/20397
- see https://www.cnblogs.com/davygeek/p/10969434.html
if you using gitlab, do not miss it.
see .gitlab-ci.yml, gitlab CI/CD
COPY --from=builder /go/src/app /web/app
COPY failed: stat /var/lib/docker/overlay2/.../merged/go/src/app: no such file or directory