server {
  listen       8083;
  server_name  example1.com www.example1.com;
  location ~ ^/static/  {
    root    /var/www/virtual/www.example1.com/htdocs;
  }
}

server {
  listen       8084;
  server_name  example2.com www.example2.com;
  location ~ ^/media/  {
    root    /var/www/virtual/www.example2.com/htdocs;
  }
}