{
  description = "Minimal example of building Kotlin with Gradle and Nix";

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

  inputs.systems.url = "github:nix-systems/default";

  inputs.flake-utils.url = "github:numtide/flake-utils";
  inputs.flake-utils.inputs.systems.follows = "systems";

  outputs = {
    nixpkgs,
    flake-utils,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = import nixpkgs {inherit system;};
      updateLocks = pkgs.callPackage ./update-locks.nix {};
    in {
      devShells.default = pkgs.mkShell {
        buildInputs = with pkgs; [
          gradle_8
          temurin-bin-21
          updateLocks
          ktlint
        ];
      };
    });
}