worker_processes  1;



events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;


    sendfile        on;

    keepalive_timeout  5;

    gzip  on;
    
    upstream backend  {
      server 127.0.0.1:8081;
      server 127.0.0.1:8082;
      server 127.0.0.1:8083;
      server 127.0.0.1:8084;
    }    

    server {
        listen       127.0.0.1:80;
        server_name  mydomain.com www.mydomain.com;

        
        location ~ (/dyn/test1|/dyn/test2|/dyn/test3|/dyn/test4|/dyn/test5|/dyn/test6)  {
            proxy_pass   http://backend;
        }

        location  /index.html {
            expires 0;
            add_header        Cache-Control private;
            root   html\mydomain;
        }
        

        location / {
            if ($request_filename ~* ^.+.asp$) {
              rewrite (.*)$ http://www.mydomain.com permanent;
            }        
            root   html\mydomain;
            index  index.html;
        }


        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

    }

}