{
  description = "A personal Nix flake for system and home configurations";

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

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

    nix-darwin = {
      url = "github:LnL7/nix-darwin";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    nix-darwin,
    flake-utils,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = import nixpkgs {
        inherit system;
        config.allowUnfree = true;
      };

      homeManagerModule = {
        home.stateVersion = "24.05";
      };
    in {
      nixosConfigurations = {
        "hakase" = nixpkgs.lib.nixosSystem {
          inherit system;
          modules = [
            ./hosts/nixos/my-nixos-desktop/configuration.nix

            home-manager.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.users.youruser = homeManagerModule;
              # home-manager.users.youruser = import ./home/youruser/home.nix;
            }
          ];

          specialArgs = {
            inherit self pkgs;
          };
        };
      };

      homeConfigurations = {
        "kenji" = home-manager.lib.homeManagerConfiguration {
          inherit pkgs;
          modules = [
            homeManagerModule
            ./home/kenji/home.nix
          ];

          # specialArgs = { inherit self; };
        };
      };

      darwinConfigurations = {
        "my-macbook-pro" = nix-darwin.lib.darwinSystem {
          inherit system;
          modules = [
            ./hosts/darwin/my-macbook-pro/configuration.nix

            home-manager.darwinModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.users.youruser = homeManagerModule;
              # home-manager.users.youruser = import ./home/youruser/home.nix;
            }
          ];

          specialArgs = {
            inherit self pkgs;
          };
        };
      };
    });
}