{
  description = "Starter Configuration for NixOS and MacOS";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    home-manager.url = "github:nix-community/home-manager";
    darwin = {
      url = "github:LnL7/nix-darwin/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-homebrew = {
      url = "github:zhaofengli/nix-homebrew";
    };
    homebrew-bundle = {
      url = "github:homebrew/homebrew-bundle";
      flake = false;
    };
    homebrew-cask = {
      url = "github:homebrew/homebrew-cask";
      flake = false;
    };
    homebrew-cask-fonts = {
      url = "github:homebrew/homebrew-cask-fonts";
      flake = false;
    };
    homebrew-core = {
      url = "github:homebrew/homebrew-core";
      flake = false;
    };
    homebrew-koekeishiya = {
      url = "github:koekeishiya/homebrew-formulae";
      flake = false;
    };
  };
  outputs =
    { self
    , darwin
    , home-manager
    , homebrew-bundle
    , homebrew-cask
    , homebrew-cask-fonts
    , homebrew-core
    , homebrew-koekeishiya
    , nix-homebrew
    , nixpkgs
    } @inputs:
    let
      user = "dekker1";
      linuxSystems = [ "x86_64-linux" "aarch64-linux" ];
      darwinSystems = [ "aarch64-darwin" ];
      forAllLinuxSystems = f: nixpkgs.lib.genAttrs linuxSystems (system: f system);
      forAllDarwinSystems = f: nixpkgs.lib.genAttrs darwinSystems (system: f system);
      forAllSystems = f: nixpkgs.lib.genAttrs (linuxSystems ++ darwinSystems) (system: f system);
      devShell = system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        {
          default = with pkgs; mkShell {
            nativeBuildInputs = with pkgs; [ bashInteractive git ];
            shellHook = with pkgs; ''
          '';
          };
        };
    in
    {
      devShells = forAllSystems devShell;
      darwinConfigurations = let user = "dekker1"; in {
        macos = darwin.lib.darwinSystem {
          system = "aarch64-darwin";
          specialArgs = inputs;
          modules = [
            nix-homebrew.darwinModules.nix-homebrew
            home-manager.darwinModules.home-manager
            {
              nix-homebrew = {
                enable = true;
                user = "${user}";
                taps = {
                  "homebrew/homebrew-core" = homebrew-core;
                  "homebrew/homebrew-cask" = homebrew-cask;
                  "homebrew/homebrew-cask-fonts" = homebrew-cask-fonts;
                  "homebrew/homebrew-bundle" = homebrew-bundle;
                  "koekeishiya/homebrew-formulae" = homebrew-koekeishiya;
                };
                mutableTaps = false;
                autoMigrate = true;
              };
            }
            ./darwin
          ];
        };
      };
      nixosConfigurations = nixpkgs.lib.genAttrs linuxSystems (system: nixpkgs.lib.nixosSystem {
        system = system;
        specialArgs = inputs;
        modules = [
          home-manager.nixosModules.home-manager
          {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.users.${user} = import ./nixos/home-manager.nix;
          }
          ./nixos
        ];
      });
    };
}