text: import os
  class Config:
      '''
      General configuration parent class
      '''
      QUOTE_API_BASE_URL = 'http://quotes.stormconsultancy.co.uk/random.json'
      SECRET_KEY = os.environ.get('SECRET_KEY') 
      SQLALCHEMY_TRACK_MODIFICATIONS = False
      SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://postgres:risperhub3@localhost/arisi'
      UPLOADS_DEFAULT_DEST ='app/static'
      SIMPLEMDE_JS_IIFE = True
      SIMPLEMDE_USE_CDN = True
      @staticmethod
      def init_app(app):
          pass
      
      #  email configurations
      MAIL_SERVER = 'smtp.googlemail.com'
      MAIL_PORT = 587
      MAIL_USE_TLS = True
      MAIL_USERNAME = os.environ.get("MAIL_USERNAME")
      MAIL_PASSWORD = os.environ.get("MAIL_PASSWORD")
      
  class ProdConfig(Config):
      '''
      Production  configuration child class
  
      Args:
          Config: The parent configuration class with General configuration settings
      '''
      SQLALCHEMY_DATABASE_URI = os.environ.get("DATABASE_URL")
      pass
  
  class TestConfig(Config):
      #SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://postgres:123456@localhost/post_test'
      pass
      
  class DevConfig(Config):
      # SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://postgres:risperhub3@localhost/arisi'
      DEBUG = True
  
  
  
  config_options = {
  'development':DevConfig,
  'production':ProdConfig,
  'test':TestConfig
  }