private void waitUntilNodeIsOnline() {
        new HttpWaitStrategy().forPort(MGMT_PORT).forPath("/pools").forStatusCode(200).waitUntilReady(this);
    }
Before we can start configuring the host, we need to wait until the cluster manager is listening.
modules/couchbase/src/main/java/org/testcontainers/couchbase/CouchbaseContainer.java