{
  description = "c-base WiFi + Dev Tools flake";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
    treefmt-nix.url = "github:numtide/treefmt-nix";
  };

  outputs =
    {
      self,
      nixpkgs,
      treefmt-nix,
    }:
    let
      systemList = [
        "x86_64-linux"
        "aarch64-linux"
      ];

      # Helper: map a function over all systems
      eachSystem =
        f:
        nixpkgs.lib.genAttrs systemList (
          system:
          let
            pkgs = import nixpkgs { inherit system; };
          in
          f pkgs system
        );

      # ISRG Root X1 Certificate package per system
      isrgRootX1 = eachSystem (pkgs: system: pkgs.callPackage ./pkgs/by-name/is/isrg-root-x1 { });
    in
    {
      # Packages per system
      packages = eachSystem (
        pkgs: system: {
          isrg-root-x1 = isrgRootX1.${system};
        }
      );

      # NixOS Modules per system
      nixosModules = eachSystem (
        pkgs: system:
        import ./nixos-modules/wifi.nix {
          inherit pkgs;
          isrgRootX1Cert = isrgRootX1.${system};
        }
      );

      # Dev Shells per system
      devShells = eachSystem (
        pkgs: system: {
          default = pkgs.mkShell {
            buildInputs = with pkgs; [
              nixos-rebuild
              git
              nixpkgs-fmt
              statix
              deadnix
            ];
          };
        }
      );
    };
}