nginx.conf

http {

  # DNS resolver
  resolver 127.0.0.1;

  proxy_cache_path /var/cache/nginx/static_file_cache levels=1:2 keys_zone=cache_static_file:10m inactive=7d max_size=100m;
  proxy_temp_path /var/cache/nginx/temp;
  proxy_set_header Host             $host;
  proxy_set_header X-Real-IP        $remote_addr;
  proxy_set_header X-Forwarded-Host $host;
  proxy_set_header X-Forwarded-For  $proxy_add_x_forwarded_for;

  server {

    listen 8181;
    proxy_redirect off;
    set $do_not_cache 0;
    if ($request_method != GET) {
        set $do_not_cache 1;
    }
    if ($uri !~* "\.(jpg|png|gif|jpeg|css|js|swf|pdf|html|htm)$") {
        set $do_not_cache 1;
    }
    proxy_no_cache      $do_not_cache;
    proxy_cache_bypass  $do_not_cache;
    proxy_cache         cache_static_file;
    proxy_cache_key     $scheme$host$uri$is_args$args;
    proxy_cache_valid   200 302 304 1d;
    proxy_cache_valid   any 10m;

    location / {
        proxy_pass $scheme://$http_host$request_uri;
    }

  }

}