{
  description = "A very basic flake";

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

  outputs =
    { self, nixpkgs, ... }:
    let
      pkgs = nixpkgs.legacyPackages.x86_64-linux;
    in
    {
      devShells.x86_64-linux.default = pkgs.callPackage ./shell.nix { };
    };
}