let
  nixos-21-11 = {
    nixpkgs-channel = "nixos-21.11";
    home-manager-channel = "home-manager-21.11";
  };
  #unstable = {
  #  nixpkgs-channel = "nixos-unstable";
  #  home-manager-channel = "home-manager-master";
  #};
in rec {
  hera = nixos-21-11;
  apollo = nixos-21-11;
  zeus = nixos-21-11;
  fluffy = nixos-21-11;
  chor-cloud = hera;
}