docs(admin): configure containerd data root to /data [skip ci]#138
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containerd runs as a separate daemon from Docker with its own data root (/var/lib/containerd by default). server-setup.md now configures it to /data/containerd at install time; troubleshooting.md documents the fix for existing servers where /var fills up with containerd snapshots. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
server-setup.md: add containerd root configuration during Docker install so new servers store containerd snapshots in/data/containerdrather than/var/lib/containerdtroubleshooting.md: document the fix for existing servers where/varfills up due to containerd not being configured to use/dataBackground
containerd runs as a separate daemon from Docker with its own data root (
/var/lib/containerdby default). Docker'sdata-rootwas already pointing at/data/docker, but containerd's root was never configured — causing/varto fill up with image snapshots on staging.Test plan
server-setup.mdcontainerd config block generates a validconfig.tomlwithroot = "/data/containerd"on a fresh installdocker psafter moving/var/lib/containerdto/data/containerd🤖 Generated with Claude Code