[Unit] Description=PMS API Server - Production After=network.target [Service] Type=simple User=root WorkingDirectory=/data/pms/api-server ExecStart=/data/pms/api-server/pms-api EnvironmentFile=/data/pms/api-server/.env Restart=always RestartSec=5 # 提高文件描述符上限:默认软限制 1024 在大规模设备接入时会先耗尽 LimitNOFILE=65535 [Install] WantedBy=multi-user.target