modalité uploder des ficher avec VichUploaderBundle

config/packages/vich_uploader.yaml

@@ -0,0 +1,15 @@
+vich_uploader:
+    db_driver: orm
+
+    mappings:
+        attachments:
+            uri_prefix: /uploads/questions
+            upload_destination: '%kernel.project_dir%/public/uploads/questions'
+            namer: Vich\UploaderBundle\Naming\UniqidNamer
+            directory_namer: ~
+            
+            inject_on_load: false
+            delete_on_update: true
+            delete_on_remove: true
+            # Optionnel : pour générer des URLs absolues
+            # uri_prefix_absolute: true