{
  description = "Fudo Host Configuration";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-21.05";

    hosts.url = "path:../fudo-hosts";

    home-manager.url = "github:nix-community/home-manager/release-21.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = { nixpkgs, hosts, home-manager, ... }: with builtins; let
    mapAttrs = f: m: listToAttrs
      (map (k: { name = k; value = f k m.${k}; }) (attrNames m));
  in {
    nixosConfigurations = mapAttrs (hostname: hostOpts: let
      pkgs = import nixpkgs { system = hostOpts.arch; };

    in pkgs.lib.nixosSystem {
      system = hostOpts.arch;
      modules = [
        (import ./initialize.nix {
          hostname = hostname;
          home-manager-package = home-manager;
          pkgs = pkgs;
          include-secrets = true;
        })
      ];
    }) hosts.host-configs;
  };
}