docker-compose.yml

version: '3.8'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.5.1
    ports:
      - '32181:32181'
    volumes:
      - ./data/zookeeper/log:/var/lib/zookeeper/log
      - ./data/zookeeper/data:/var/lib/zookeeper/data
    environment:
      ZOOKEEPER_CLIENT_PORT: 32181
      ZOOKEEPER_TICK_TIME: 2000

  kafka-1:
    image: confluentinc/cp-kafka:5.5.1
    ports:
      - '9092:9092'
    depends_on:
      - zookeeper
    volumes:
      - ./data/kafka-1:/var/lib/kafka/data
    restart: on-failure
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-1:29092,EXTERNAL://${IP}:9092
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3

  kafka-2:
    image: confluentinc/cp-kafka:5.5.1
    ports:
      - '9093:9093'
    depends_on:
      - zookeeper
    volumes:
      - ./data/kafka-2:/var/lib/kafka/data
    restart: on-failure
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-2:29093,EXTERNAL://${IP}:9093
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3
    
  kafka-3:
    image: confluentinc/cp-kafka:5.5.1
    ports:
      - '9094:9094'
    depends_on:
      - zookeeper
    volumes:
      - ./data/kafka-3:/var/lib/kafka/data
    restart: on-failure
    environment:
      KAFKA_BROKER_ID: 3
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka-3:29094,EXTERNAL://${IP}:9094
      KAFKA_DEFAULT_REPLICATION_FACTOR: 3
      KAFKA_NUM_PARTITIONS: 3