# Database Configuration DATABASE_URL=postgresql://user:password@localhost:5432/aethex_passport # Server Configuration PORT=3000 NODE_ENV=development # Blockchain Configuration (for .aethex domain verification) RPC_ENDPOINT=https://polygon-mainnet.infura.io/v3/YOUR_INFURA_KEY FREENAME_REGISTRY_ADDRESS=0x... # Freename contract address # JWT Secret (for authentication) JWT_SECRET=your-secret-key-here # Rate Limiting RATE_LIMIT_WINDOW_MS=900000 RATE_LIMIT_MAX_REQUESTS=100