text: 
  # dummy for testing. Don't use this in production!
  c.JupyterHub.authenticator_class = 'dummyauthenticator.DummyAuthenticator'
  
  # launch with docker
  c.JupyterHub.spawner_class = 'dockerspawner.DockerSpawner'
  
  # we need the hub to listen on all ips when it is in a container
  c.JupyterHub.hub_ip = '0.0.0.0'
  # the hostname/ip that should be used to connect to the hub
  # this is usually the hub container's name
  c.JupyterHub.hub_connect_ip = 'jupyterhub'
  
  # pick a docker image. This should have the same version of jupyterhub
  # in it as our Hub.
  c.DockerSpawner.image = 'jupyter/base-notebook'
  
  # tell the user containers to connect to our docker network
  c.DockerSpawner.network_name = 'jupyterhub'
  
  # delete containers when the stop
  c.DockerSpawner.remove = True
  