docker-compose.yaml

version: '3.8'
services:

  zookeeper:
    image: confluentinc/cp-zookeeper:latest
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    volumes:
      - ./zookeeper-data:/var/lib/zookeeper/data
    restart: always
    networks:
      - kafka_network

  kafka:
    image: confluentinc/cp-kafka:latest
    container_name: kafka
    ports:
      - "29092:29092"
    depends_on:
      - zookeeper
    environment:
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka:9092,OUTSIDE://localhost:29092
      KAFKA_LISTENERS: INSIDE://:9092,OUTSIDE://:29092
      KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    healthcheck:
      test: >
        nc -z localhost 9092 || exit 1
      interval: 1s
      timeout: 60s
      retries: 60
    restart: always
    networks:
      - kafka_network

networks:
  kafka_network:
    driver: bridge