server {
    listen       80;
    server_name  localhost;

    location / {
        proxy_pass http://127.0.0.1:88/;
        proxy_set_header Host $host:$server_port;
        proxy_set_header X-Real-IP $remote_addr;
    }

    location ~* \.(htm|html|jpeg|jpg|gif|png|css|js)$ {
        root /var/www/html;
        expires 30d;
    }
}