配置

listeners 指明 kafka 当前节点监听本机的哪个网卡
advertised.listeners 指明客户端通过哪个 ip 可以访问到当前节点

配置内外网访问

KAFKA_NODE_ID: 1
KAFKA_PROCESS_ROLES: broker,controller
KAFKA_LISTENERS: PLAINTEXT_HOST://0.0.0.0:9092,PLAINTEXT_INTERNAL://kafka:29092,CONTROLLER://localhost:9093
KAFKA_ADVERTISED_LISTENERS: PLAINTEXT_HOST://localhost:9092,PLAINTEXT_INTERNAL://kafka:29092
KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT_INTERNAL
KAFKA_CONTROLLER_LISTENER_NAMES: CONTROLLER
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
KAFKA_CONTROLLER_QUORUM_VOTERS: 1@localhost:9093
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
KAFKA_NUM_PARTITIONS: 3