# Environment Variables NODE_ENV=development PORT=3001 CLIENT_URL=http://localhost:3000 # Database MONGODB_URI=mongodb://localhost:27017/etsy-tracker # JWT Secret (change in production) JWT_SECRET=your-super-secret-jwt-key-change-this-in-production # Session Secret (change in production) SESSION_SECRET=your-super-secret-session-key-change-this-in-production