# Database DB_HOST=mysql DB_PORT=3306 DB_USER=pfandsystem DB_PASSWORD=pfandsystem_secure_password DB_NAME=pfandsystem # JWT JWT_SECRET=your_very_secure_jwt_secret_key_change_this # Server PORT=3001 NODE_ENV=production # Resend API RESEND_API_KEY=re_6BE6Hv6U_H7ggkAT4ApbiSZ5SCo2Cf1qA # File Upload UPLOAD_DIR=/app/uploads MAX_FILE_SIZE=10485760