{
  description = "Good basic flake template";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
     flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
       in
       {
         packages = {
          default = pkgs.hello;
         };
         devShells.default = pkgs.mkShell {
            buildInputs = with pkgs; [deno];
         };
       }
     );
}