I haven't used it personally, but the Nix manual mentions support for dealing with Nix stores in distributed builds https://nixos.org/manual/nix/unstable/advanc

I haven't used it personally, but the Nix manual mentions support for dealing with Nix stores in distributed builds https://nixos.org/manual/nix/unstable/advanced-topics/distributed-builds.html https://nixos.org/manual/nix/unstable/advanced-topics/distri...