{ config, lib, ... }: { options = { myModules.enableVaultwarden = lib.mkOption { type = lib.types.bool; default = false; description = "Enable Vaultwarden server"; }; }; config = lib.mkMerge [ (lib.mkIf config.myModules.enableVaultwarden { services.vaultwarden = { enable = true; }; }) ]; }