MicroOS transactional-update vs Ansible: /etc config persistence across atomic snapshots
MicroOS transactional-update creates a new btrfs snapshot per atomic deployment, activating on reboot. Persistent /etc subvolume survives snapshots but isn't integrated with the update pipeline. When a package update replaces a config‑owning file such as /etc/nginx/nginx.conf, the new snapshot has the package default while /etc keeps the modified file. No au