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

  outputs =
    { nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in
    {
      devShells.${system}.default =
        with pkgs;
        mkShell {
          buildInputs = [
            php83
            php83Packages.composer
          ];
        };

      formatters.${system} = pkgs.nixfmt-rfc-style;
    };
}