{
  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";

  outputs = { self, nixpkgs }: rec {
    supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
    nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
  };
}