[ElectricalUnion]

https://martinfowler.com/bliki/ReproducibleBuild.html and https://wiki.debian.org/ReproducibleBuilds and https://reproducible-builds.org/ says just because something is "repeatable", doesn't mean it is "reproducible".

[corethree]

byte for byte builds? I knew it was some pedantic thing. I'm sorry if some timestamp changes one byte of the build.

[ParetoOptimal]

No, the biggest issue is you rebuild an image that has apt-update and 20 dependencies break.