* unecessary factory removed, layout / prefix had to be changed instead

config/autoload/dependencies.global.php

@@ -1,6 +1,5 @@
 <?php
 
-use App\Helper as AppHelper;
 use Zend\Expressive\Application;
 use Zend\Expressive\Container;
 use Zend\Expressive\Delegate;
@@ -22,12 +21,12 @@ return [
         // class name.
         'invokables' => [
             // Fully\Qualified\InterfaceName::class => Fully\Qualified\ClassName::class,
+            Helper\ServerUrlHelper::class     => Helper\ServerUrlHelper::class,
         ],
         // Use 'factories' for services provided by callbacks/factory classes.
         'factories'  => [
             Application::class                => Container\ApplicationFactory::class,
             Delegate\NotFoundDelegate::class  => Container\NotFoundDelegateFactory::class,
-            Helper\ServerUrlHelper::class     => AppHelper\ServerUrlHelperFactory::class,
             Helper\ServerUrlMiddleware::class => Helper\ServerUrlMiddlewareFactory::class,
             Helper\UrlHelper::class           => Helper\UrlHelperFactory::class,
             Helper\UrlHelperMiddleware::class => Helper\UrlHelperMiddlewareFactory::class,

src/App/Helper/ServerUrlHelperFactory.php

@@ -1,34 +0,0 @@
-<?php
-
-namespace App\Helper;
-
-
-use Psr\Container\ContainerInterface;
-use Zend\Diactoros\Uri;
-use Zend\Expressive\Helper\ServerUrlHelper;
-
-class ServerUrlHelperFactory
-{
-    /**
-     * Create a UrlHelper instance.
-     *
-     * @param ContainerInterface $container
-     * @return ServerUrlHelper
-     * @throws \Psr\Container\ContainerExceptionInterface
-     * @throws \Psr\Container\NotFoundExceptionInterface
-     */
-    public function __invoke(ContainerInterface $container)
-    {
-        $config = $container->get('config');
-        $path = array_key_exists('los_basepath', $config) && !empty($config['los_basepath'])
-            ? $config['los_basepath']
-            : null;
-
-        $serverUrlHelper = new ServerUrlHelper();
-        if ($path) {
-            $uri = (new Uri())->withPath($path);
-            $serverUrlHelper->setUri($uri);
-        }
-        return $serverUrlHelper;
-    }
-}

templates/app/home-page.phtml

@@ -26,8 +26,8 @@
 <script>
   var changeDelay = <?=$changeDelay ?>;
   var refreshInterval = <?=$refreshInterval ?>;
-  var cameraImageApiUrl = '<?=$this->serverurl("/api/get-latest-camera-pictures") ?>';
+  var cameraImageApiUrl = '<?=$this->serverurl("api/get-latest-camera-pictures") ?>';
-  var cameraImageBaseUrl = '<?=$this->serverurl("/show-image/") ?>';
+  var cameraImageBaseUrl = '<?=$this->serverurl("show-image/") ?>';
 </script>
 <script src="<?= $this->serverurl("scripts/camera-image-handler.js") ?>"></script>
 <?php $this->end() ?>