diff --git a/src/Application/DockerContainer/ElasticsearchDockerContainer.php b/src/Application/DockerContainer/ElasticsearchDockerContainer.php
index 4b49c6b..f2c05ec 100644
--- a/src/Application/DockerContainer/ElasticsearchDockerContainer.php
+++ b/src/Application/DockerContainer/ElasticsearchDockerContainer.php
@@ -26,6 +26,8 @@ public function getPackageManager(): string
      */
     public function preExecute(): void
     {
+        parent::preExecute();
+
         $service = $this->getService();
         if (true === $service->getOptions()['with_management']) {
             $service
diff --git a/src/Application/DockerContainer/NginxDockerContainer.php b/src/Application/DockerContainer/NginxDockerContainer.php
index 006a9a1..1e7d18d 100644
--- a/src/Application/DockerContainer/NginxDockerContainer.php
+++ b/src/Application/DockerContainer/NginxDockerContainer.php
@@ -91,9 +91,16 @@ public function postExecute(): void
         }
 
         // Main Network Aliases.
-        $this->addNetworkAlias(self::DOCKER_MAIN_NETWORK, $service->getHost());
+        $isServiceNetworkAliasable = function (ServiceInterface $service) {
+            return null !== $service->getHost();
+        };
+        if (true === $isServiceNetworkAliasable($service)) {
+            $this->addNetworkAlias(self::DOCKER_MAIN_NETWORK, $service->getHost());
+        }
         foreach ($this->vhostsServicesByHost as $vhostService) {
-            $this->addNetworkAlias(self::DOCKER_MAIN_NETWORK, $vhostService->getHost());
+            if ($isServiceNetworkAliasable($vhostService)) {
+                $this->addNetworkAlias(self::DOCKER_MAIN_NETWORK, $vhostService->getHost());
+            }
         }
     }