app/lib/tasks/dragonfly.rake
namespace :dragonfly do
desc 'Clear dragonfly uids from db'
task clear_images: :environment do
User.update_all(avatar_uid: nil)
Lab.update_all(avatar_uid: nil, header_uid: nil)
Organization.update_all(avatar_uid: nil, header_uid: nil)
Thing.update_all(photo_uid: nil)
Document.update_all(photo_uid: nil)
end
end