PORT=3001
FRONTEND_URL=http://localhost:3000
BACKEND_URL=http://localhost:3001
AUTH0_DOMAIN=your-auth0-domain
AUTH0_CLIENT_ID=your-auth0-client-id
AUTH0_CLIENT_SECRET=your-auth0-client-secret
AUTH0_SECRET=your-auth0-secret
MONGODB_URI=mongodb+srv://username:password@your-cluster.mongodb.net/dbname?retryWrites=true&w=majority