Divers

config/packages/liip_imagine/base.yaml

     driver: "gd"
     filter_sets:
         cache: ~
+        thumbnail:
+            quality: 90
+            filters:
+                thumbnail:
+                    size: [60]
+                    mode: outbound
         page:
             quality: 90
             filters:
                 thumbnail:
                     size: [ 600, 400 ]
                     mode: outbound
+        big:
+            quality: 90
+            filters:
+                thumbnail:
+                    size: [ 1600 ]
+                    mode: outbound

src/Controller/Admin/PageCrudController.php

 use Lc\SovBundle\Field\CKEditorField;
 use Lc\SovBundle\Field\FileManagerField;
 use Lc\SovBundle\Field\GalleryManagerField;
+use Lc\SovBundle\Field\ImageManagerField;
 use Lc\SovBundle\Field\StatusField;
 
 class PageCrudController extends AbstractCrudController
         return [
                 TextField::new('title'),
                 CKEditorField::new('description'),
-                FileManagerField::new('image'),
+                ImageManagerField::new('image'),
                 StatusField::new('status'),
                 GalleryManagerField::new('gallery'),
                 TextField::new('devAlias'),