old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  # Flask application default config:
  # http://flask.pocoo.org/docs/config/#configuring-from-files
  # https://github.com/mbr/flask-appconfig
  
  DEBUG = True
  TESTING = False
  JS_LOG_LEVEL = 3  # log (1) < debug (2) < info (3) < warn (4) < error (5)
  
  APP_NAME = 'Skeleton'
  
  # Servers and URLs
  SERVER_NAME = 'skeleton.dev'
  
  # Authentication etc
  SECRET_KEY = 'some-secret-key'
  
  # API
  API_SERVER = 'skeleton.dev'
  API_TOKEN = 'some-api-token'
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  # Flask application default config:
  # http://flask.pocoo.org/docs/config/#configuring-from-files
  # https://github.com/mbr/flask-appconfig
  
  DEBUG = True
  TESTING = False
  JS_LOG_LEVEL = 3  # log (1) < debug (2) < info (3) < warn (4) < error (5)
  
  APP_NAME = 'Skeleton'
  
  # Servers and URLs
  SERVER_NAME = 'localhost:5000'
  
  # Authentication etc
  SECRET_KEY = 'some-secret-key'
  
  # API
  API_SERVER = 'localhost:5000'
  API_TOKEN = 'some-api-token'
  
subject: Change default SERVER_NAME to localhost:5000