Port Authority is a simple golang http client that handles all of the
authentication involved when interacting with a container registry. This means
it's a dumb client and it's up to you, the user to know the API endpoints you
want to hit. At some point in the future this may change, but for now it only
pa "bitbucket.org/rw_grim/port-authority"
client.AddRegistry("index.docker.io", "username", "password")
resp, _ := client.Get("/v2/username/foo/tags")
fmt.Printf("%#v\n", resp)