index.php

@@ -2,5 +2,5 @@
 header('Content-Type: text/plain; version=0.0.4');
 $config = getenv('CONFIG_FILE'); 
 $phpbin = getenv('PHP_BINARY');
-$output = shell_exec('CONFIG_FILE="' . $config . '" ' . $phpbin . ' ' . $_SERVER['DOCUMENT_ROOT'] . 'script.php');
+$output = shell_exec('CONFIG_FILE="' . $config . '" ' . $phpbin . ' script.php');
 echo $output;

script.php

@@ -122,7 +122,7 @@ if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
 
     $loader = new \Twig\Loader\FilesystemLoader('templates');
     $twig = new \Twig\Environment($loader, [
-        'cache' => 'twig_cache',
+        'cache' => 'twig-cache',
     ]);
     echo $twig->render('metrics.twig', ['config' => $config]);
 }