stream {
    upstream stream_http {
         server 127.0.0.1:80;
    }

    server {
        listen     30080;
        proxy_pass stream_http;
    }

    upstream stream_mysql {
         server 127.0.0.1:3306;
    }

    server {
        listen     30306;
        proxy_pass stream_mysql;
    }
}