version: '3'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:6.2.0
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      - ZOOKEEPER_CLIENT_PORT=2181
      - ZOOKEEPER_TICK_TIME=2000

  kafka:
    image: confluentinc/cp-kafka:6.2.0
    container_name: kafka
    ports:
      - "9092:9092"
    environment:
      - KAFKA_BROKER_ID=1
      - KAFKA_LISTENERS=PLAINTEXT://:9092
      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092
      - KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
    depends_on:
      - zookeeper