# Documentation ## Functionality ### Defaults * multiple master nodes * by default, when `--master` > 1 and no `--datastore-x` option is set, the first master node (master-0) will be the initializing master node * the initializing master node will have the `--cluster-init` flag appended * all other master nodes will refer to the initializing master node via `--server https://:6443` * API-Ports * by default, we don't expose any API-Port (no host port mapping)