diff --git a/index.php b/index.php
index bee5f0e..441d62d 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,17 @@
 <?php
-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');
-echo $output;
+
+if($_SERVER["REQUEST_URI"] == '/metrics') {
+    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');
+    echo $output;
+} else {
+    require_once('vendor/autoload.php');
+    http_response_code(404);
+    $loader = new \Twig\Loader\FilesystemLoader('templates');
+    $twig = new \Twig\Environment($loader, [
+        'cache' => 'twig_cache',
+    ]);
+    echo $twig->render('404.twig', ['path' => $_SERVER["REQUEST_URI"]]);
+}
\ No newline at end of file
diff --git a/templates/404.twig b/templates/404.twig
new file mode 100644
index 0000000..f0b30e9
--- /dev/null
+++ b/templates/404.twig
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<meta charset="UTF-8">
+<title>Page Title</title>
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<style>
+</style>
+<body>
+<h1>404 Uri {{ path }} not found</h1>
+<p><a href="/metrics">/metrics</a></p>
+</body>
+</html>
\ No newline at end of file
