{
  description = "Evie's machine configurations";

  inputs = {
    # Specify the source of Home Manager and Nixpkgs.
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
  }: {
    nixosConfigurations = {
      N0245 = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          home-manager.nixosModules.home-manager
          /etc/nixos/configuration.nix
          ./machines/N0245/default.nix
        ];
      };
    };
    homeConfigurations = {
      "tux" = home-manager.lib.homeManagerConfiguration {
        pkgs = nixpkgs.legacyPackages."aarch64-darwin";
        modules = [./machines/Monarch/tux.nix];
      };
      "xenia" = home-manager.lib.homeManagerConfiguration {
        pkgs = nixpkgs.legacyPackages."aarch64-linux";
        modules = [./machines/Northstar/xenia.nix];
      };
    };
  };
}