add server_port to host proxy header

util/Nginx/proxy.conf

@@ -1,5 +1,5 @@
 proxy_redirect          off;
-proxy_set_header        Host              $host;
+proxy_set_header        Host              $host:$server_port;
 proxy_set_header        X-Real-IP         $remote_addr;
 proxy_set_header        X-Forwarded-For   $proxy_add_x_forwarded_for;
 proxy_set_header        X-Url-Scheme      $scheme;