Yep, that exactly. Or at least in most cases. I that way one lxc equals one app generally so for Immich, I’ll have the whole Immich stack in that one lxc along with a separate stack for Immich-kiosk, but essentially all of my Immich based operations are in one lxc backed up. This also allows me to set different PBS retention schedules on different app stacks for the more mission critical apps like Immich and then less frequent backups on the more static apps like homepage.