go
    env
        print env stuff
    build
        -x
        https://opensource.com/article/22/4/go-build-options
    install
        ...
        https://stackoverflow.com/questions/24069664/what-does-go-install-do
        https://github.com/NanXiao/golang-101-hacks/blob/master/posts/go-build-vs-go-install.md