Usage: docker login [OPTIONS] [SERVER]
Register or log in to a Docker registry server, if no server is specified "https://index.docker.io/v1/" is the default. -e, --email="" Email -p, --password="" Password -u, --username="" Username
$ docker login
If you want to login to a self-hosted registry you can specify this by adding the server name.
$ docker login myrepo.example.com
See also Private registries for more information.
There is no known divergence between the Triton SDC Docker and Docker Inc. implementations of this method. Please contact Joyent support or file a ticket if you discover any.