kafka_cluster.yml

---
version: '2'
services:
  zookeeper1:
    image: confluentinc/cp-zookeeper:5.4.1
    hostname: zookeeper1
    container_name: zookeeper1
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181

  broker1:
    image: confluentinc/cp-enterprise-kafka:5.4.1
    hostname: broker1
    container_name: broker1
    depends_on:
      - zookeeper1
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper1:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker1:29092,PLAINTEXT_HOST://localhost:9092      
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0