I like https://godoc.org/github.com/jessevdk/go-flags https://godoc.org/github.com/jessevdk/go-flags, since it also supports environment variables. It's nice to

I like https://godoc.org/github.com/jessevdk/go-flags https://godoc.org/github.com/jessevdk/go-flags, since it also supports environment variables. It's nice to be able to get configurable defaults from the environment and still be able to override them on the command line.