{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flakelight.url = "github:nix-community/flakelight";
    flakelight-treefmt.url = "github:m15a/flakelight-treefmt";

    flakelight.inputs.nixpkgs.follows = "nixpkgs";
    flakelight-treefmt.inputs.flakelight.follows = "flakelight";
  };
  outputs =
    { flakelight, ... }@inputs:
    flakelight ./. {
      inherit inputs;

      imports = with inputs; [
        flakelight-treefmt.flakelightModules.default
      ];

      devShell.packages =
        pkgs: with pkgs; [
          gleam
          erlang
        ];

      treefmtConfig =
        { ... }:
        {
          programs.nixfmt.enable = true;
          programs.gleam.enable = true;
        };
    };
}