{
  description = "A very basic flake";

  inputs.nixpkgs.url = "github:nixos/nixpkgs";
  inputs.napalm.url = "github:nix-community/napalm";

  outputs = { self, nixpkgs, flake-utils, fenix, napalm }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ fenix.overlays.default napalm.overlays.default ];
        };

        toolchain = pkgs.fenix.stable;
        rustPlatform =
          pkgs.makeRustPlatform { inherit (toolchain) cargo rustc; };
        version = "0.1.0";
      in rec {
        defaultPackage = packages.grub;

        packages = rec {
          grub = rustPlatform.buildRustPackage {
            name = "grub";
            inherit version;
            src = pkgs.symlinkJoin {
              name = "grub-src";
              paths = [
                (pkgs.nix-gitignore.gitignoreSource [ ./.gitignore ] ./.)
                frontend
              ];
            };
            cargoLock = {
              lockFile = ./Cargo.lock;
              outputHashes = {
                "mzlib-0.1.0" =
                  "sha256-J7dEeCTPIoKmldpAkQadDBXhJP+Zv9hNlUdpMl2L5QM=";
              };
            };
          };

          frontend = pkgs.buildNpmPackage {
            name = "frontend";
            inherit version;
            src = pkgs.nix-gitignore.gitignoreSource [ ./.gitignore ] ./.;
            npmDepsHash = "sha256-8XYO7U5+X9/8vx/PbTWpgvbJv1D140srgOv5IaVLRxY=";
            installPhase = ''
              mkdir -p $out
              mv dist $out
            '';
          };
        };

        devShell = pkgs.mkShell { packages = with toolchain; [ cargo rustc ]; };
      });
}