text: c.JupyterHub.services = [
      {
          'name': 'questions',
          'url': 'http://127.0.0.1:8123',
          'command': ['flask', 'run', '--port=8123'],
          'environment': {
              'FLASK_APP': 'server/jhqb',
              'JHQB_STORE': './'
          }
      }
  ]
  
  c.JupyterHub.spawner_class = 'simple'
  c.JupyterHub.authenticator_class = 'dummy'
  c.JupyterHub.ip = '127.0.0.1'
  