{
  description = "Worther - Calculate cryptocurrency taxes & net worth.";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-21.05";

    flake-utils.url = "github:numtide/flake-utils";
  };

  # outputs = { self, nixpkgs, flake-utils, ... }: with nixpkgs.lib; let
  #   system = "x86_64-linux";
  #   pkgs = import nixpkgs { inherit system; };
  #   worther = pkgs.callPackage ./worther.nix { pkgs = pkgs; };
  # in rec {
  #   packages.${system}.worther = worther;
  #   defaultPackage = packages.${system}.worther;
  # };

  outputs = { self, nixpkgs, flake-utils, ... }:
    with nixpkgs.lib;
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = import nixpkgs { inherit system; };

      in {
        packages = rec {
          default = worther;
          worther = pkgs.callPackage ./worther.nix { pkgs = pkgs; };
        };
      });
}