- Explicitly mention min-8-char constraint
- Connect the api_token in the configuration with the one mentioned in auth requests
Co-authored-by: Mike Situ <msitu@ceresimaging.net>
The flask example in the documentation was still using the
input argument `cookie_cache_max_age` when instantiating
`HubAuth` object. `cookie_cache_max_age` is deprecated since
JupyterHub 0.8 and should be replaced by `cache_max_age`.