diff --git a/app/setup/app.php b/app/setup/app.php
index a17667e..4fd1a76 100644
--- a/app/setup/app.php
+++ b/app/setup/app.php
@@ -5,28 +5,8 @@ use DI\Bridge\Slim\Bridge;
 require_once 'composer.php';
 
 function buildApp() {
-    $builder = new ContainerBuilder();
-    $folders = [
-        'settings',
-        'setups'
-    ];
-    foreach ($folders as $folder_name) {
-        $folder = implode(DIRECTORY_SEPARATOR, [
-            __DIR__,
-            $folder_name
-        ]);
-        if (!file_exists($folder)) {
-            continue;
-        }
-        $files = new FilesystemIterator($folder);
-        foreach ($files as $file) {
-            if ($file->isDir()) {
-                continue;
-            }
-            $builder->addDefinitions($file->getRealPath());
-        }
-    }
-    $app = Bridge::create($builder->build());
+    require_once 'container.php';
+    $app = Bridge::create(buildContainer());
     $folder = implode(DIRECTORY_SEPARATOR, [
         __DIR__,
         'middlewares'
diff --git a/app/setup/container.php b/app/setup/container.php
new file mode 100644
index 0000000..270ff79
--- /dev/null
+++ b/app/setup/container.php
@@ -0,0 +1,33 @@
+<?php
+use Psr\Container\ContainerInterface;
+use DI\ContainerBuilder;
+
+/**
+ * @return ContainerInterface
+ * @throws Exception
+ */
+function buildContainer(): ContainerInterface
+{
+    $builder = new ContainerBuilder();
+    $folders = [
+        'settings',
+        'setups'
+    ];
+    foreach ($folders as $folder_name) {
+        $folder = implode(DIRECTORY_SEPARATOR, [
+            __DIR__,
+            $folder_name
+        ]);
+        if (!file_exists($folder)) {
+            continue;
+        }
+        $files = new FilesystemIterator($folder);
+        foreach ($files as $file) {
+            if ($file->isDir()) {
+                continue;
+            }
+            $builder->addDefinitions($file->getRealPath());
+        }
+    }
+    return $builder->build();
+}