Definitely check out nix2container— it's fundamentally oriented around asserting state on the remote container registry rather than your local store, so it not

Definitely check out nix2container— it's fundamentally oriented around asserting state on the remote container registry rather than your local store, so it not only won't push layers that already exist remotely, it won't even pull the contents necessary to assemble them, which can be a huge time savings for incremental building of these things: https://github.com/nlewo/nix2container https://github.com/nlewo/nix2container