nginx reverse proxy for node.js

gistfile1.txt

log_format snake.isux.us '$remote_addr - $remote_user [$time_local] $request'
        '$status $body_bytes_sent $http_referer'
        '$http_user_agent $http_x_forwarded_for';

upstream snake.isux.us{
        server 127.0.0.1:3000;
}
server {
        listen 80;
        server_name snake.isux.us;
        root /home/www/snake/;

        location / {
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header host $http_host;
                proxy_set_header X-NginX-Proxy true;

                proxy_pass http://snake.isux.us;
                proxy_redirect off;

        }
access_log /home/wwwlogs/snake.isux.log snake.isux.us;

}