text: import os
  
  class Config:
      """
      This is the class which will contain the general configurations
      """
      SECRET_KEY = os.environ.get("SECRET_KEY")
      MAIL_SERVER = "smtp.gmail.com"
      MAIL_PORT = 587
      MAIL_USE_TLS = True
      MAIL_USERNAME = os.environ.get("MAIL_USERNAME")
      MAIL_PASSWORD = os.environ.get("MAIL_PASSWORD")
      UPLOADED_PHOTOS_DEST = "app/static/photos"
  
  class DevConfig(Config):
      """
      This is the class which will contain the development configurations
      """
      SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://marvin:marvin24@localhost/blog'
      DEBUG = True
  
  class ProdConfig(Config):
      """
      This is the class which will contain the production configurations
      """
      SQLALCHEMY_DATABASE_URI = os.environ.get("DATABASE_URL")
  
  class TestConfig(Config):
      """
      This is the class which will contain the test configurations
      """
      SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://marvin:marvin24@localhost/tests'
  
  config_options = {
      "development": DevConfig,
      "test": TestConfig,
      "production": ProdConfig
  }
  
  
  