services:
  zookeeper:
    container_name: "PHANTOM-zookeeper"
    image: confluentinc/cp-zookeeper:latest
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    ports:
      - "2181:2181"

  kafka:
    container_name: "PHANTOM-kafka"
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      ALLOW_PLAINTEXT_LISTENER: yes
    ports:
      - "${KAFKA_PORT:-9092}:9092"
    volumes:
      - phantom_kafka_data:/var/lib/kafka/data

volumes:
  phantom_kafka_data: