1. 下载文件

wget -O caddy "https://caddyserver.com/api/download?os=linux&arch=amd64"

2. 修改权限

chmod a+x caddy

3. 添加用户和组

sudo groupadd --system caddy
sudo useradd --system --gid caddy --create-home --home-dir /var/lib/caddy --shell /usr/sbin/nologin --comment "Caddy web server" caddy

4. 设置caddy服务

创建一个systemd服务文件/etc/systemd/system/caddy.servic

[Unit]
Description=Caddy web server
After=network.target

[Service]
User=caddy
Group=caddy
ExecStart=/usr/local/bin/caddy run --environ --config /etc/caddy/Caddyfile
ExecReload=/usr/local/bin/caddy reload --config /etc/caddy/Caddyfile
TimeoutStopSec=5s
LimitNOFILE=1048576
LimitNPROC=512
PrivateTmp=true
ProtectSystem=full
AmbientCapabilities=CAP_NET_BIND_SERVICE

[Install]
WantedBy=multi-user.target

5. 启动caddy

sudo systemctl daemon-reload
sudo systemctl enable caddy
sudo systemctl start caddy

6. 检查caddy状态

sudo systemctl status caddy

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