jupyterhub_config.py

def default_url(handler):
    user = handler.current_user
    if not user:
        # not logged in, send to login, no ?next
        # that way, default_url will be called again after successful login
        return handler.get_login_url()
    if "admin-ui" in handler.expanded_scopes:
        # has permission to view the admin page
        return handler.base_url + "hub/admin"
    else:
        # regular user, send to spawn page
        # (which redirects to running user if it's running)
        # this is the default default URL
        return handler.base_url + "hub/spawn"

c.JupyterHub.default_url = default_url

c.Authenticator.allowed_users = {"admin", "testuser"}

c.JupyterHub.load_roles = [
    {
        "name": "admin-users",
        "users": ["admin"],
        "scopes": [
            "admin-ui",
            "admin:users",
            "servers",
        ],
    },
]

# example boilerplate
c.JupyterHub.authenticator_class = "dummy"
c.JupyterHub.spawner_class = "simple"