protected String commandZookeeper() {
        String command = "echo 'clientPort=" + ZOOKEEPER_PORT + "' > /tmp/zookeeper.properties\n";
        command += "echo 'dataDir=/var/lib/zookeeper/data' >> /tmp/zookeeper.properties\n";
        command += "echo 'dataLogDir=/var/lib/zookeeper/log' >> /tmp/zookeeper.properties\n";
        command += "zookeeper-server-start /tmp/zookeeper.properties &\n";
        return command;
    }
@deprecated use {@link #KafkaContainer(DockerImageName)} instead
modules/kafka/src/main/java/org/testcontainers/containers/KafkaContainer.java