I have about 20gb of space left and rather than upgrading my AWS Lightsail instance to the next level up I would rather just add an attached drive. I have done this and mounted it but I am unsure of what I need to do for Discourse to use it for either future uploads (hey wouldn’t that be nice) or move the entire folder over to the new drive and have it access it there.
In broad strokes, you can rsync /var/discourse/shared/standalone/uploads to the new drive and then add another line in the app.yml to direct /shared/uploads to the new path.