linuxkit

[mocore]

didnt find any mention of linuxkit searching the forum ... so in case its of any interest

https://github.com/linuxkit/linuxkit - A toolkit for building secure, portable and lean operating systems for containers

out of the project goals / features

- Designed to create reproducible builds [WIP]

https://github.com/linuxkit/linuxkit/blob/master/docs/reproducible-builds.md

(imho) this one is one of the more interesting.