{
  description = "A very basic flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

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

  outputs = { self, nixpkgs, ... } @ inputs: {
    nixosConfigurations.z790prors-nix = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = [
        ./roles
        ./machines/z790prors/configuration.nix 
        inputs.home-manager.nixosModules.home-manager
        {
          home-manager.useGlobalPkgs = true;
          home-manager.useUserPackages = true;
          home-manager.users.johno = import ./home/home-z790prors.nix;
          home-manager.extraSpecialArgs = {
            customPkgs = nixpkgs.legacyPackages."${system}".callPackage ./packages {};
          };
        }
      ];
    };

    nixosConfigurations.nix-book = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = [
        ./roles
        ./machines/nix-book/configuration.nix
        inputs.home-manager.nixosModules.home-manager
        {
          home-manager.useGlobalPkgs = true;
          home-manager.useUserPackages = true;
          home-manager.users.johno = import ./home/home-nix-book.nix;
          home-manager.extraSpecialArgs = {
            customPkgs = nixpkgs.legacyPackages."${system}".callPackage ./packages {};
          };
        }
      ];
    };

    nixosConfigurations.boxy = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = [
        ./roles
        ./machines/boxy/configuration.nix
        # inputs.home-manager.nixosModules.home-manager
        # {
        #   home-manager.useGlobalPkgs = true;
        #   home-manager.useUserPackages = true;
        #   home-manager.users.johno = import ./home/home-default.nix;
        #   home-manager.extraSpecialArgs = {
        #     customPkgs = nixpkgs.legacyPackages."${system}".callPackage ./packages {};
        #   };
        # }
      ];
    };
  };
}