{
  description = "A very basic flake";

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

    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

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

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

    nix-doom-emacs-unstraightened = {
      url = "github:marienz/nix-doom-emacs-unstraightened";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, ... } @ inputs: let
    baseModules = [
      ./roles
      inputs.sops-nix.nixosModules.sops
      inputs.home-manager.nixosModules.home-manager
      {
        home-manager.useGlobalPkgs = true;
        home-manager.useUserPackages = true;
        home-manager.sharedModules = [
          inputs.plasma-manager.homeManagerModules.plasma-manager
          inputs.nix-doom-emacs-unstraightened.hmModule
        ];
      }
    ];
  in {
    nixosConfigurations.z790prors-nix = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      specialArgs = { inherit inputs; };
      modules = baseModules ++ [
        ./machines/z790prors/configuration.nix
        {
          home-manager.users.johno = import ./home/home-z790prors.nix;
        }
      ];
    };

    nixosConfigurations.nix-book = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = baseModules ++ [
        ./machines/nix-book/configuration.nix
        {
          home-manager.users.johno = import ./home/home-nix-book.nix;
        }
      ];
    };

    nixosConfigurations.boxy = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = baseModules ++ [
        ./machines/boxy/configuration.nix
        inputs.home-manager.nixosModules.home-manager
        {
          home-manager.users.johno = import ./home/home-default.nix;
        }
      ];
    };
  };
}