add APP_ALLOW_REGISTRATION configuration directive

config/app.php

@@ -14,6 +14,8 @@ return [
     */
 
     'name' => env('APP_NAME', 'Monitoring'),
+    
+    'allow_registration' => env("APP_ALLOW_REGISTRATION", true),
 
     'proxy' => env('PROXY', null),
 

routes/web.php

@@ -24,7 +24,7 @@ Route::get('/', function () {
     return view('index');
 });
 
-Auth::routes();
+Auth::routes(['register' => config("app.allow_registration")]);
 
 Route::get("home", function () {
     return redirect(action("OrganizationController@index"));