second display

db/migrate/20190617045150_change_image_to_add_limit_in_display_images.rb

@@ -0,0 +1,11 @@
+class ChangeImageToAddLimitInDisplayImages < ActiveRecord::Migration[5.1]
+
+  def up
+    change_column :display_images, :image, :binary, :limit => 10.megabyte
+  end
+
+  def down
+    change_column :display_images, :image, :binary, :limit => nil
+  end
+
+end