/**
  * @param Container $container
  *
  * @return array
  */
 private function getContainerHosts(Container $container)
 {
     $inspection = $container->getRuntimeInformations();
     $hosts = [substr($container->getName(), 1) . $this->tld];
     if (isset($inspection['Config']['Env']) && is_array($inspection['Config']['Env'])) {
         $env = $inspection['Config']['Env'];
         foreach (preg_grep('/DOMAIN_NAME=/', $env) as $row) {
             $row = substr($row, strlen('DOMAIN_NAME='));
             $hosts = array_merge($hosts, explode(',', $row));
         }
     }
     return $hosts;
 }