In chapter 2, callback URL of "provider".New() shouldn't fix the port. · Issue #31 · matryer/goblueprints

In chapter 2, PROVIDER.New() (github, facebook, etc) has a parameter which specifies the callback URL. (https://github.com/matryer/goblueprints/blob/master/chapter2/chat/main.go#L51) gomniauth....