JupyterHub#
- Documentation on configuring a key and secret key
- https://jupyterhub.readthedocs.io/en/stable/api/services.auth.html 
- Development callback URL
Specify the URL of your JupyterHub server as follows:
SOCIALACCOUNT_PROVIDERS = {
    'jupyterhub': {
        'API_URL': 'https://jupyterhub.example.com',
    }
}