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Docker confluentinc

docker-compose.yaml​

version: '3'
services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper:latest
    container_name: zookeeper-1
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
  broker-1:
    image: confluentinc/cp-kafka:latest
    container_name: broker-1
    ports:
      - "8097:8097"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: EXTERNAL:PLAINTEXT,INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: EXTERNAL://localhost:8097,INTERNAL://broker-1:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
  broker-2:
    image: confluentinc/cp-kafka:latest
    container_name: broker-2
    ports:
      - "8098:8098"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: EXTERNAL:PLAINTEXT,INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: EXTERNAL://localhost:8098,INTERNAL://broker-2:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
  broker-3:
    image: confluentinc/cp-kafka:latest
    container_name: broker-3
    ports:
      - "8099:8099"
    depends_on:
      - zookeeper-1
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: EXTERNAL:PLAINTEXT,INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: EXTERNAL://localhost:8099,INTERNAL://broker-3:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL

Verify Active Kafka Brokers Using zookeeper-shell​

docker exec -it zookeeper-1 /bin/zookeeper-shell localhost:2181