{
  description = "Hugo Simple Example Site";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    treefmt-nix.url = "github:numtide/treefmt-nix";
  };

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
      treefmt-nix,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
        treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
      in
      {
        formatter = treefmtEval.config.build.wrapper;
        checks = {
          formatting = treefmtEval.config.build.check self;
        };

        devShells.default = pkgs.mkShell {
          nativeBuildInputs = with pkgs; [
            bun
            hugo
            just
          ];

          shellHook = ''
            [ -d "$PWD/node_modules" ] || bun install
          '';
        };
      }
    );
}