Update sample jupyterhub_config.py for JupyterHub 0.8

jupyterhub_config.py

@@ -14,13 +14,16 @@
 c.KubeSpawner.start_timeout = 60 * 5
 
 # Our simplest user image! Optimized to just... start, and be small!
-c.KubeSpawner.singleuser_image_spec = 'yuvipanda/simple-singleuser:v1'
+c.KubeSpawner.singleuser_image_spec = 'jupyterhub/singleuser:0.8'
 
 # The spawned containers need to be able to talk to the hub through the proxy!
 c.KubeSpawner.hub_connect_ip = os.environ['HUB_CONNECT_IP']
+c.JupyterHub.hub_connect_ip = os.environ['HUB_CONNECT_IP']
 
 c.KubeSpawner.singleuser_service_account = 'default'
 # Do not use any authentication at all - any username / password will work.
 c.JupyterHub.authenticator_class = 'dummyauthenticator.DummyAuthenticator'
 
 c.KubeSpawner.user_storage_pvc_ensure = True
+
+c.JupyterHub.allow_named_servers = True