old_contents: from eve import Eve
  
  app = Eve()
  
  if __name__ == '__main__':
      app.run()
  
new_contents: from eve import Eve
  
  app = Eve()
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=80)
  
subject: Use port 80 to serve the API