Looks a lot like apkovl https://wiki.alpinelinux.org/wiki/Alpine_local_backup https://wiki.alpinelinux.org/wiki/Alpine_local_backup for Alpine linux. Not the mo

Looks a lot like apkovl https://wiki.alpinelinux.org/wiki/Alpine_local_backup https://wiki.alpinelinux.org/wiki/Alpine_local_backup for Alpine linux. Not the most easy to grasp documentation but it's basically a package (apk, similar do rpm or deb) that each has its own overlayfs.