How to optimize storage?

[bts (Brendan Schlagel)]

It’s likely old images that need to be cleaned up by logging into your server and doing:

cd /var/discourse
./launcher cleanup

as well as:

apt-get autoclean
apt-get autoremove

See this topic for more detail:

Manually update Discourse and Docker image to latest

If you self-host Discourse, you occasionally need to run a manual update via the command line to get the latest security releases newest libraries. These updates are not picked up in admin/update, which is why you’ll occasionally need to do this additional step. Discourse itself should be updated about twice a month, by clicking the “Update to Latest Version” button in your admin dashboard (admin/update). Every two months we recommend SSH’ing into your web server (using putty or your favor…

This comes up a lot, I’m actually not sure why cleanup isn’t a more default automatic thing!