{ config, lib, pkgs, ... }:
let
  cfg = config.szpont.sys.srv.docker;
in
{
  options.szpont.sys.srv.docker.enable = lib.mkEnableOption "docker container engine";

  config = lib.mkIf cfg.enable {
    virtualisation.docker.enable = true;

    environment.systemPackages = [ pkgs.docker-compose ];

    users.users.adam.extraGroups = [ "docker" ];
  };
}