How to customize login page and other templates? about nativeauthenticator HOT 4 CLOSED

jupyterhub:
    ... (other settings)
    hub:
        db:
            pvc:
                storageClassName: nfs-client
        extraConfig:
            00-logo: |
                c.JupyterHub.logo_file = "/usr/local/share/jupyterhub/static/external/aiidalab-wide-logo.png"
            01-auth: |
                from tornado.escape import url_escape
                from tornado.httputil import url_concat
                from nativeauthenticator import NativeAuthenticator
                from nativeauthenticator import handlers

                class CustomizeLoginHandler(handlers.LoginHandler):

                    def _render(self, login_error=None, username=None):
                        """For 'normal' rendering."""

                        return self.render_template(
                            "customize-native-login.html",
                            next=url_escape(self.get_argument("next", default="")),
                            username=username,
                            login_error=login_error,
                            custom_html=self.authenticator.custom_html,
                            login_url=self.settings["login_url"],
                            enable_signup=self.authenticator.enable_signup,
                            two_factor_auth=self.authenticator.allow_2fa,
                            authenticator_login_url=url_concat(
                                self.authenticator.login_url(self.hub.base_url),
                                {"next": self.get_argument("next", "")},
                            ),
                        )

                class CustomNativeAuthenticator(NativeAuthenticator):
                    def __init__(self, *args, **kwargs):
                        super().__init__(*args, **kwargs)
                        self.minimum_password_length = 8
                        self.check_common_password = True
                        self.ask_email_on_signup = True

                    def get_handlers(self, app):
                        native_handlers = [
                            (r"/login", CustomizeLoginHandler),
                            (r"/signup", handlers.SignUpHandler),
                            (r"/discard/([^/]*)", handlers.DiscardHandler),
                            (r"/authorize", handlers.AuthorizationAreaHandler),
                            (r"/authorize/([^/]*)", handlers.ToggleAuthorizationHandler),
                            # the following /confirm/ must be like in generate_approval_url()
                            (r"/confirm/([^/]*)", handlers.EmailAuthorizationHandler),
                            (r"/change-password", handlers.ChangePasswordHandler),
                            (r"/change-password/([^/]+)", handlers.ChangePasswordAdminHandler),
                        ]
                        return native_handlers

                c.Authenticator.admin_users = {'admin'}
                c.JupyterHub.authenticator_class = CustomNativeAuthenticator