{
  sources ? import ./npins,
}:
{
  # for repl sessions
  inherit sources;
  lib = import (sources.nixpkgs + "/lib");

  nixosConfigurations =
    builtins.mapAttrs (_: import (sources.nixpkgs + "/nixos/lib/eval-config.nix"))
      {
        vanadium = {
          system = "x86_64-linux";
          modules = [ ./nix/configurations/vanadium.nix ];
        };
        hydrogen = {
          system = "aarch64-linux";
          modules = [ ./nix/configurations/hydrogen.nix ];
        };
        installer = {
          system = "x86_64-linux";
          modules = [ ./nix/configurations/installer.nix ];
        };

        # Not mine, rented on hetzner
        hetzner_benchmark = {
          system = "x86_64-linux";
          modules = [ ./nix/configurations/hetzner_benchmark.nix ];
        };
      };

  packages = import ./nix/packages { inherit sources; };
}