read mark address from env

app/Http/Controllers/MarkController.php

@@ -10,7 +10,8 @@ class MarkController extends Controller
 
     public function __construct()
     {
-        $this->server = new Client();
+        $mark_url = 'http://' . config("app.mark_host") . ':' . config('app.mark_port');
+        $this->server = new Client($mark_url);
     }
 
     public function status()

config/app.php

@@ -2,6 +2,9 @@
 
 return [
 
+    'mark_host' => env('MARK_HOST', '127.0.0.1'),
+    'mark_port' => env('MARK_PORT', 8080),
+
     /*
     |--------------------------------------------------------------------------
     | Application Name