diff --git a/composer.json b/composer.json
index 23888db..658d49e 100644
--- a/composer.json
+++ b/composer.json
@@ -13,9 +13,14 @@
     "autoload": {},
     "extra" : {
         "lean" : {
-            "autoload": [
-                "definitions.php"
-            ]
+            "autoload": {
+                "definitions" : [
+                    "definitions.php"
+                ],
+                "config": [
+                    "config.php"
+                ]
+            }
         }
     }
 }
diff --git a/config.php b/config.php
new file mode 100644
index 0000000..cb1319c
--- /dev/null
+++ b/config.php
@@ -0,0 +1,9 @@
+<?php
+
+return [
+    'lean' => [
+        'autoload' => [
+            'asset.flexbox'
+        ]
+    ],
+];
diff --git a/definitions.php b/definitions.php
index 834bcd0..cf93a9a 100644
--- a/definitions.php
+++ b/definitions.php
@@ -1,16 +1,12 @@
 <?php
 
-use function DI\autowire, DI\create, DI\get;
-
-$path = __DIR__;
-
 return [
-    'assets:flexbox' => [
+    'assets.flexbox' => [
         'picea' => [
             'asset' => [
                 'source' => [
                     [
-                        'path' => implode(DIRECTORY_SEPARATOR, [ $path, "asset", '' ]),
+                        'path' => implode(DIRECTORY_SEPARATOR, [ __DIR__, "asset", '' ]),
                         'order' => 10
                     ]
                 ],