Funnily enough, this is a very common approach :) With a Flake, you just need to declare a new output like this: https://github.com/aksiksi/ncdmv/blob/ebd57d02

Funnily enough, this is a very common approach :) With a Flake, you just need to declare a new output like this: https://github.com/aksiksi/ncdmv/blob/ebd57d02a0fe653e27700381d730c1c05227b5a3/flake.nix#L44 https://github.com/aksiksi/ncdmv/blob/ebd57d02a0fe653e277003... Then to build it: nix build .#docker && docker load < ./result