localConfig-sample.yaml

    myConfig: |
      c.JupyterHub.tornado_settings = {
        'headers': {
            'Content-Security-Policy': "frame-ancestors https://*.athlyticz.academy",
            'Access-Control-Allow-Origin': '*'
        }
      }
      c.Spawner.args = ['--NotebookApp.tornado_settings={"headers":{"Content-Security-Policy": "frame-ancestors * self https://*.athlyticz.academy", "X-Frame-Options": "ALLOW-FROM https://*.athlyticz.academy"}}', '--NotebookApp.disable_check_xsrf=True']