{
  description = "my cool flake";

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

  outputs = {nixpkgs, ...} @ inputs: let
    systems = [
      "x86_64-linux"
      "aarch64-linux"
      "x86_64-darwin"
      "aarch64-darwin"
    ];

    forAllSystems = fn: nixpkgs.lib.genAttrs systems (sys: fn nixpkgs.legacyPackages.${sys});
  in {
    nixosConfigurations."myHostname" = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [./configuration.nix];
      specialArgs = {inherit inputs;};
    };

    devShells = forAllSystems (pkgs: {
      default = pkgs.mkShell {
        packages = with pkgs; [
          just
          fzf
        ];
      };
    });

    formatter = forAllSystems (pkgs: pkgs.alejandra);
  };
}