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drb-update: prune build cache and stale images after every update (#41) #42

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logan merged 1 commits from fix/41-updater-prune into main 2026-10-26 01:28:12 -04:00
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Logan CusanoandClaude Opus 5.5 a26a77dd0a drb-update: prune BuildKit cache and stale images after every update (#41)
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node-002's root disk hit 100% (39.5 GB build cache + 16 GB unused images)
and the node silently stopped recording for 17 days: BUILD=1 runs
`docker compose build` on every update and nothing ever pruned the cache;
the existing prunes only drop dangling images and old src- pins.

After `up -d`: `builder prune -af --filter until=72h` and
`image prune -af --filter until=168h`. Neither touches anything a running
container uses; the age filters keep the next build's cache warm.

Disk-free reporting to the portal (the other half of #41) is not in this
change.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 2026-10-26 01:14:45 -04:00