server {
    listen %%interface%%:%%port%% default_server;
    include /etc/nginx/includes/server_params.conf;
    include /etc/nginx/includes/proxy_params.conf;
    client_max_body_size 0;
    server_name webtop.*;

    location / {
       add_header Access-Control-Allow-Origin *;
       proxy_pass http://127.0.0.1:8083;
       proxy_buffering off;
       proxy_read_timeout 30;
       proxy_set_header Connection "Upgrade";
       proxy_set_header Upgrade $http_upgrade;
       proxy_bind              $server_addr;
       proxy_set_header        Host            $http_host;
       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
       proxy_set_header        X-Scheme        $scheme;
       proxy_set_header        X-Script-Name   %%UIPATH%%;  # IMPORTANT: path has NO trailing slash
    }
}