PORT=5000 NODE_ENV=development MONGODB_URI=mongodb://127.0.0.1:27017/guitar_ecommerce JWT_SECRET=guitar_ecommerce_super_secret_jwt_key_2026 JWT_EXPIRE=30d STRIPE_SECRET_KEY=sk_test_mock_stripe_key_guitar_ecommerce CLIENT_URL=http://localhost:5173 EMAIL_HOST=smtp.mailtrap.io EMAIL_PORT=2525 EMAIL_USER=mock_user EMAIL_PASS=mock_pass EMAIL_FROM=noreply@guitars.com