Assume I’ve been using shrine for
Upload record, and it has a field
image where the uploaded image is attached against (basically we store metadata in
Upload record is created with the attached
image, we generate the derivatives
large. We now have a bunch of
Uploads lying around, all having
We now want to introduce a new derivative -
medium. We can define this and the derivative will be generated for newer
Uploads - but how do we ensure existing
Uploads have them too?
Apologies in advance if there’s an obvious solution to this already - I searched here and in the documentation but didn’t find any.