alvis 41f3f15d27 ops: docker prune timer, kanboard backup/healthcheck, backup script fixes ...

docker-maintenance/ adds a systemd timer + prune.sh for the root LV that holds
Docker's data-root and has filled to 100% before, risking ENOSPC corruption.
The script sticks to the safe reclaim set (builder cache, dangling images,
stopped containers) and deliberately avoids `-a` and volume pruning, which can
destroy live data when run unattended.

kanboard/backup.sh and healthcheck.sh bring Kanboard in line with the other
services. seafile/ and vaultwarden/ backup scripts get fixes carried from the
stability audit.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

2026-07-30 04:42:08 +00:00

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