+ KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT, DOCKER:PLAINTEXT, LOCALHOST:PLAINTEXT
+ KAFKA_PROCESS_ROLES: broker, controller
+ KAFKA_CONTROLLER_QUORUM_VOTERS: 1@kafka:9072
+ KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
+ CLUSTER_ID: MkU3OEVBNTcwNTJENDM2Qk