Daily Docker Prune with Systemd

I use Docker. I used to manually prune Docker every few weeks to keep it from eating up all my disk. Annoyed I eventually put it in cron, but, have you used cron? It wasn’t fun, and I just can’t anymore with cron. I was complaining about it on Mastadon and the adam12 showed me a better way: use systemd timers to schedule the prune. Here’s how it works: first, two files—one for the service, one for…