[Unit]
Description=Rust Backend Service (Weather Data Collection API)
After=network.target postgresql.service
Wants=network.target

[Service]
Type=simple
User=root
Group=root
WorkingDirectory=/root/rust/rust_backend
ExecStart=/root/rust/rust_backend/rust-backend
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal

# 环境变量配置
EnvironmentFile=/root/rust/rust_backend/.env

# 安全加固
NoNewPrivileges=yes
PrivateTmp=yes
ProtectSystem=strict
ProtectHome=read-only
ReadWritePaths=/root/rust/rust_backend

# 日志标识
SyslogIdentifier=rust-backend

[Install]
WantedBy=multi-user.target