def upload(key, io, checksum: nil, **)
      instrument :upload, key: key, checksum: checksum do
        Cloudinary::Uploader.upload(io, public_id: key, resource_type: 'auto')
      end
    end
def upload(key, io, checksum: nil, **)
      instrument :upload, key: key, checksum: checksum do
        Cloudinary::Uploader.upload(io, public_id: key, resource_type: 'auto')
      end
    end
FIXME: implement setup for private resource type
 FIXME: allow configuration via cloudinary url