如果nginx中的proxy_pass指向的域名然后域名指向的IP发生了变化
那么就需要重启nginx或配置nginx的resolver
server {
listen 80;
server_name ligang.gdemo.com;
resolver 8.8.8.8 valid=60s;
resolver_timeout 3s;
set $gproxy "ligang.proxy.gdemo.com";
location / {
proxy_pass http://$gproxy;
}
}