nginx转发请求

 location  / {
         proxy_redirect off;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                   client_max_body_size 50m;
         client_body_buffer_size 256k;
         proxy_http_version 1.1;
         proxy_pass http://1.2.3.4:8080;
        }