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

  outputs = {nixpkgs, ...}: let
    lib = nixpkgs.lib;
    systems = [
      "x86_64-linux"
      "aarch64-linux"
    ];
    forAllSystems = f: lib.genAttrs systems (system: f {pkgs = nixpkgs.legacyPackages.${system};});
  in {
    formatter = forAllSystems ({pkgs}: pkgs.nixfmt-rfc-style);
    devShells = forAllSystems (
      {pkgs}: {
        default = pkgs.callPackage ./flake/devshell.nix {};
      }
    );
    packages = forAllSystems (
      {pkgs}: {
        svelte-example = pkgs.callPackage ./flake/derivation.nix {};
      }
    );
  };
}