Samir Boulahtit
64c8a0ec2c
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deploy.sh already pruned old images but never build cache — the larger half of disk creep from CI rebuilds (root fs hit 83% on prod). Add `docker builder prune --filter until=168h` alongside the existing image prune so cleanup happens every deploy, version-controlled, no host cron. Docs (hetzner-server-setup.md, Maintenance section): - New "Rescaling / Upgrading the Server" — when/why, same-arch (Arm/CAX) + CPU-RAM-only vs irreversible disk-expand constraints, poweroff→rescale→ power-on→verify steps, and the Arm-capacity-unavailable-in-DC caveat. - New "Disk Maintenance (Docker Pruning)" — emergency manual prune + the automated deploy.sh approach. - Fixed stale Resource Budget: cadvisor 128→192 MB (matches compose), total 672→736 MB, and "live-upgrade" wording (rescale needs a power-off). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>