config.py

import os
from dotenv import load_dotenv

# Find the .env file in the root directory
basedir = os.path.abspath(os.path.dirname(__file__))
load_dotenv(os.path.join(basedir, '.env'))

# Now we can simply read the variables from the environment
class Config:
    # Secret key for session management
    SECRET_KEY = os.environ.get('SECRET_KEY')

    # Database configuration
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL')
    SQLALCHEMY_TRACK_MODIFICATIONS = False

    # Email configuration
    MAIL_SERVER = os.environ.get('MAIL_SERVER')
    MAIL_PORT = int(os.environ.get('MAIL_PORT') or 587)
    MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS') == '1'
    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
    ADMINS = [os.environ.get('MAIL_USERNAME')]