# Server NODE_ENV=development PORT=3000 # API API_PREFIX=/api/v1 # Logging LOG_LEVEL=info # Security CORS_ORIGIN=* # Rate Limiting RATE_LIMIT_MAX=100 RATE_LIMIT_WINDOW=60000 # Request Limits TIMEOUT=30000 BODY_LIMIT=1048576 # JWT JWT_SECRET=your-super-secret-key-change-in-production JWT_EXPIRES_IN=7d # Database (optional) # DATABASE_URL=postgres://user:pass@localhost:5432/db