Allow uploading images

config/packages/vich_uploader.yaml

@@ -0,0 +1,11 @@
+vich_uploader:
+    db_driver: orm
+
+    metadata:
+        type: attribute
+
+    mappings:
+        posts:
+            uri_prefix: /images/posts
+            upload_destination: '%kernel.project_dir%/public/images/posts'
+            namer: Vich\UploaderBundle\Naming\SmartUniqueNamer