text: import os
  
  class Config:
      '''
      General configuration parent class
      '''
      SECRET_KEY = os.environ.get('SECRET_KEY')
      SQLALCHEMY_DATABASE_URI='postgresql+psycopg2://moringa:word@localhost/blog'
      UPLOADED_PHOTOS_DEST ='app/static/photos'
  
  
  class ProdConfig(Config):
      '''
      Production configuration child class
      '''
      SQLALCHEMY_DATABASE_URI=os.environ.get('DATABASE_URL')
      
  
  
  class DevConfig(Config):
      '''
      Development configuration child class
      '''
      DEBUG = True
      
  config_options = {
  'development':DevConfig,
  'production':ProdConfig
  }
  