totally that's a fair question. I've only been using it by building x, y, z separately and it does reduce my build times significantly. I also just love to be able to fetch binaries with absolutely no strings attached. But in terms of orchestration Docker has far easier interface with compose etc. As far as I know, Nix doesn't really have this sort of solution built in but I guess you could write a derivation where you orchestrate different binaries yourself, starting them with some sort of task manager. So far I just build the binaries with Nix and orchestrate them myself on the server