CDNとS3を無効化し、画像をローカルストレージに戻すのはベストプラクティスか？

[Arkshine]

@decryption128

but rake uploads:migrate_from_s3 doesn’t appear to be an option available.

To answer this, it looks like it was removed a few years ago: FIX: remove migrate_from_s3 task that silently corrupts data by johnsonm · Pull Request #11703 · discourse/discourse · GitHub (related topic: Migrate_from_s3 problems)