[Unit]
Description=FunMC Relay Server - QUIC Relay for Minecraft Traffic
Documentation=https://gt.funmc.cn/xiaobai/FunConnect
After=network.target

[Service]
Type=simple
User=funmc
Group=funmc
WorkingDirectory=/opt/funmc
ExecStart=/opt/funmc/relay-server
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal
SyslogIdentifier=funmc-relay

# 环境变量
Environment=RUST_LOG=funmc_relay_server=info
Environment=RELAY_LISTEN_ADDR=0.0.0.0:7900
EnvironmentFile=/opt/funmc/.env

# 安全限制
NoNewPrivileges=yes
ProtectSystem=strict
ProtectHome=yes
PrivateTmp=yes

# 网络优先 - 中继服务器需要低延迟
Nice=-5
IOSchedulingClass=realtime
IOSchedulingPriority=0

# 资源限制
LimitNOFILE=65536
LimitNPROC=4096

[Install]
WantedBy=multi-user.target