{ config, pkgs, lib, ... }: let cfg = config.krop.docker; in { options.krop.docker = { enable = lib.mkOption { type = lib.types.bool; default = false; example = true; description = "Whether to enable Docker service."; }; addUserToGroup = lib.mkOption { type = lib.types.bool; default = true; example = false; description = "Whether to add the user to the Docker group."; }; }; config = lib.mkIf cfg.enable { virtualisation.docker = { enable = true; }; users.users.krop = lib.mkIf cfg.addUserToGroup { extraGroups = [ "docker" ]; }; }; }