nginx通用的反向代理参考配置； 流量会经过代理，带宽不低就不影响速度
location / {
proxy_pass http://x.x.x.x;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
