- README: prerequisites before the quick start – base packages (curl, git, mc optional), Docker via public-docker-installer-26.04-v1 with compose plugin check, LXC features, packages for fail2ban hosts - Local image build as long as the image is not in the registry yet - Troubleshooting: missing curl/git, missing compose plugin, image pull Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>