{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    catppuccin.url = "github:catppuccin/nix";
    disko.url = "github:nix-community/disko";
    disko.inputs.nixpkgs.follows = "nixpkgs";
    home-manager.url = "github:nix-community/home-manager/master";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    stylix.url = "github:danth/stylix";
    stylix.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = inputs @ {
    self,
    nixpkgs,
    nix,
    nixos-hardware,
    home-manager,
    stylix,
    catppuccin,
    ...
  }: let
    inherit (self) outputs;
    lib = nixpkgs.lib // home-manager.lib;
    systems = [
      "x86_64-linux"
      "aarch64-linux"
    ];
    forEachSystem = f: lib.genAttrs systems (system: f pkgsFor.${system});
    pkgsFor = lib.genAttrs systems (
      system:
        import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        }
    );
  in {
    inherit lib;
    # nixosModules = import ./modules/nixos;
    # homeManagerModules = import ./modules/home-manager;
    # templates = import ./templates;

    # overlays = import ./overlays { inherit inputs outputs; };

    # packages = forEachSystem (pkgs: import ./pkgs { inherit pkgs; });
    # devShells = forEachSystem (pkgs: import ./shell.nix { inherit pkgs; });
    # formatter = forEachSystem (pkgs: pkgs.nixpkgs-fmt);

    nixosConfigurations = {
      # clients
      ace = lib.nixosSystem {
        modules = [./hosts/ace];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      dragon = lib.nixosSystem {
        modules = [./hosts/dragon];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      eve = lib.nixosSystem {
        modules = [./hosts/eve];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      loki = lib.nixosSystem {
        modules = [./hosts/loki];
        specialArgs = {
          inherit inputs outputs;
        };
      };

      pocket2 = lib.nixosSystem {
        modules = [./hosts/pocket2];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      smaug = lib.nixosSystem {
        modules = [./hosts/smaug];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      t2 = lib.nixosSystem {
        modules = [./hosts/t2];
        specialArgs = {
          inherit inputs outputs;
        };
      };

      # servers
      display = lib.nixosSystem {
        modules = [./hosts/display];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      fred = lib.nixosSystem {
        modules = [./hosts/fred];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      vm = lib.nixosSystem {
        modules = [
          "${nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix"
          "${nixpkgs}/nixos/modules/installer/cd-dvd/channel.nix"
          ./hosts/vm
        ];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      harper2 = lib.nixosSystem {
        modules = [./hosts/harper2];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      harper = lib.nixosSystem {
        modules = [./hosts/harper];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      nuwww = lib.nixosSystem {
        modules = [./hosts/nuwww];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      pihole = lib.nixosSystem {
        modules = [./hosts/pihole];
        specialArgs = {
          inherit inputs outputs;
        };
      };
      www2 = lib.nixosSystem {
        modules = [./hosts/www2];
        specialArgs = {
          inherit inputs outputs;
        };
      };
    };
  };
}