text: DIALECT = 'mysql'
  DRIVER = 'pymysql'
  USERNAME = 'root'
  PASSWORD = 'toor'
  HOST = 'mysql'
  PORT = '3306'
  DATABASE = 'shadowsocks'
  SQLALCHEMY_DATABASE_URI = f'{DIALECT}+{DRIVER}://{USERNAME}:{PASSWORD}@{HOST}:{PORT}/{DATABASE}'
  SQLALCHEMY_TRACK_MODIFICATIONS = False
  