How do I change ActionText Attachment url (domain name)?

[nduplessis (Nico du Plessis)]

You can refer to this answer for an example on how to do it:

Rails 6.1 -> 7 gives 404 for ActionText attachments

ActionText relies on ActiveStorage, which generates encrypted urls. When you submit, ActionText saves that URL as part of the HTML code, so if something causes ActiveStorage urls to change, the urls in ActionText will no longer work. The migration from rails 6 to 7 changed the key generator from SHA1 to SHA256, which should have impacted the urls in ActiveStorage, which in turn must have broken your images. Here’s a sample code I used to fix mine: # After active storage urls are changed, use…