location ~ / {
       proxy_redirect off;
       proxy_pass http://yohobuy-node;
       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   Accept-Encoding "gzip";
 }