version: '3.2'
services:
  kafka-1:
    image: confluentinc/cp-kafka:7.2.2
    ports:
      - 9081:9081
    volumes:
      - ./kafka-1.properties:/etc/kafka/kafka.properties:ro
      - ./run.sh:/etc/confluent/docker/run:ro
      - data-1:/var/lib/data/kafka

  kafka-2:
    image: confluentinc/cp-kafka:7.2.2
    ports:
      - 9092:9082
      - 9082:9082
    networks:
      default:
        aliases:
          - kafka
    volumes:
      - ./kafka-2.properties:/etc/kafka/kafka.properties:ro
      - ./run.sh:/etc/confluent/docker/run:ro
      - data-2:/var/lib/data/kafka

  kafka-3:
    image: confluentinc/cp-kafka:7.2.2
    ports:
      - 9083:9083
    volumes:
      - ./kafka-3.properties:/etc/kafka/kafka.properties:ro
      - ./run.sh:/etc/confluent/docker/run:ro
      - data-3:/var/lib/data/kafka

  setup:
    image: juplo/toolbox
    command: >
      bash -c "
        kafka-topics --bootstrap-server kafka:9092 --delete --if-exists --topic test
        kafka-topics --bootstrap-server kafka:9092 --create --topic test --partitions 2 --replication-factor 3 --config min.insync.replicas=2
        kafka-topics --bootstrap-server kafka:9092 --describe --topic test
      "

  cli:
    image: juplo/toolbox
    command: sleep infinity

  producer:
    image: juplo/simple-producer:1.0-SNAPSHOT
    command: producer

  consumer-1:
    image: juplo/simple-consumer:1.0-SNAPSHOT
    command: kafka:9092 test my-group consumer-1

  consumer-2:
    image: juplo/simple-consumer:1.0-SNAPSHOT
    command: kafka:9092 test my-group consumer-2

  consumer-3:
    image: juplo/simple-consumer:1.0-SNAPSHOT
    command: kafka:9092 test my-group consumer-3

  spikzettel:
    image: juplo/toolbox
    command: >
      bash -c '
        kafka-console-consumer \
          --bootstrap-server kafka:9092 \
          --topic __consumer_offsets --from-beginning \
          --formatter "kafka.coordinator.group.GroupMetadataManager\$$OffsetsMessageFormatter"
      '

volumes:
  data-1:
  data-2:
  data-3: