old_contents: from flask import Flask
  
  app = Flask(__name__)
  
  
  import os
  
  # ex :) MOVIES_BACKEND_BASE_URL = 'http://localhost:8080'
  MOVIES_BASE_URL = os.environ.get('MOVIES_BASE_URL')
  POLITICS_BASE_URL = os.environ.get('POLITICS_BASE_URL')
  
new_contents: from flask import Flask
  
  app = Flask(__name__)
  
  
  import os
  
  # ex :) MOVIES_BACKEND_BASE_URL = 'http://localhost:8080'
  BACKEND_MOVIES_BASE_URL = os.environ.get('BACKEND_MOVIES_BASE_URL')
  BACKEND_POLITICS_BASE_URL = os.environ.get('BACKEND_POLITICS_BASE_URL')
  
  API_GW_PORT =  os.environ.get('API_GW_PORT') or 5000
  BACKEND_MOVIES_PORT = os.environ.get('BACKEND_MOVIES_PORT') or 80
  BACKEND_POLITICS_PORT = os.environ.get('BACKEND_POLITICS_PORT') or 80
  
  BACKEND_POLITICS_API_KEY_QUERY = os.environ.get(
      'BACKEND_POLITICS_API_KEY_QUERY')
  
subject: set env var fron env files in settings