# Server Configuration PORT=3000 NODE_ENV=development # Database Configuration DB_HOST=localhost DB_PORT=5432 DB_NAME=water_db DB_USER=postgres DB_PASSWORD=your_password_here # JWT Configuration JWT_ACCESS_SECRET=your_access_secret_key_here JWT_REFRESH_SECRET=your_refresh_secret_key_here JWT_ACCESS_EXPIRES=15m JWT_REFRESH_EXPIRES=7d # CORS Configuration CORS_ORIGIN=http://localhost:5173 # TTS (Third-party Telemetry Service) Configuration TTS_ENABLED=false TTS_BASE_URL=https://api.tts-service.com TTS_APPLICATION_ID=your_application_id_here TTS_API_KEY=your_api_key_here TTS_WEBHOOK_SECRET=your_webhook_secret_here