Also the first CI/CD system built on/for the Nix package manager. A public instance powers the main binary caches for NixOS to this day? https://hydra.nixos.or

Also the first CI/CD system built on/for the Nix package manager. A public instance powers the main binary caches for NixOS to this day? https://hydra.nixos.org/ https://hydra.nixos.org/ https://github.com/NixOS/hydra https://github.com/NixOS/hydra