{ pkgs, lib, config, ... }: let cfg = config._archetypes.collections.development.docker; in { options._archetypes.collections.development.docker = { enable = lib.mkEnableOption "enables docker"; btrfsSupport = lib.mkOption { type = lib.types.bool; default = true; description = "Changes docker storageDriver to btrfs."; }; }; config = lib.mkIf cfg.enable { virtualisation.docker = { enable = true; storageDriver = lib.mkIf cfg.btrfsSupport "btrfs"; }; environment.systemPackages = with pkgs; [ docker-compose ]; }; }