nginx.conf

daemon off;

worker_processes 1;

events { worker_connections 1024; }

http {
    sendfile off;

    gzip              on;
    gzip_http_version 1.0;
    gzip_proxied      any;
    gzip_min_length   500;
    gzip_disable      "MSIE [1-6]\.";
    gzip_types        text/plain text/xml text/css
                      text/comma-separated-values
                      text/javascript
                      application/x-javascript
                      application/atom+xml;

    server {
        listen 80;

        location /socket {
            proxy_pass         http://127.0.0.1:3000/socket;
            proxy_http_version 1.1;
		    proxy_set_header   Upgrade $http_upgrade;
		    proxy_set_header   Connection "upgrade";
            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   X-Forwarded-Host $server_name;
        }

        location / {
            proxy_pass         http://127.0.0.1:3000;
            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;
            proxy_set_header   X-Forwarded-Host $server_name;
        }
    }
}