The previous cleanup guidance removed the tagged :latest after push,
which deleted images still deployed on the Unraid host. Replace with
a dangling-only prune in both the troubleshooting doc and the sample
docker-build-push workflow; validated on jason/wfh (reclaimed 4.3GB).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Document why host-label builds leave orphan images on the Docker host and the
post-push cleanup + one-time prune pattern.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Jason Stedwell