Add optional server variable

resources/views/dashboard.blade.php

@@ -109,7 +109,7 @@
         methods: {
             connect() {
                 this.pusher = new Pusher(this.app.key, {
-                    wsHost: window.location.hostname,
+                    wsHost: this.app.host === null ? window.location.hostname : this.app.host,
                     wsPort: this.port,
                     disableStats: true,
                     authEndpoint: '/{{ request()->path() }}/auth',

src/Apps/App.php

@@ -18,6 +18,9 @@ class App
     /** @var string|null */
     public $name;
 
+    /** @var string|null */
+    public $host;
+
     /** @var bool */
     public $clientMessagesEnabled = false;
 
@@ -63,6 +66,13 @@ public function setName(string $appName)
         return $this;
     }
 
+    public function setHost(string $host)
+    {
+        $this->host = $host;
+
+        return $this;
+    }
+
     public function enableClientMessages(bool $enabled = true)
     {
         $this->clientMessagesEnabled = $enabled;

src/Apps/ConfigAppProvider.php

@@ -67,6 +67,10 @@ protected function instanciate(?array $appAttributes): ?App
             $app->setName($appAttributes['name']);
         }
 
+        if (isset($appAttributes['host'])) {
+            $app->setHost($appAttributes['host']);
+        }
+
         $app
             ->enableClientMessages($appAttributes['enable_client_messages'])
             ->enableStatistics($appAttributes['enable_statistics']);