version: '3.2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.1
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    ports:
      - 2181:2181
    volumes:
      - zookeeper-data:/var/lib/zookeeper/data
      - zookeeper-log:/var/lib/zookeeper/log

  kafka-1:
    image: confluentinc/cp-kafka:7.5.1
    environment:
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENERS: BROKER://:9092, LOCALHOST://:9081
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, LOCALHOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: BROKER://kafka-1:9092, LOCALHOST://localhost:9081
      KAFKA_BROKER_ID: 1
      KAFKA_INTER_BROKER_LISTENER_NAME: BROKER
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "false"
    volumes:
      - kafka-1-data:/var/lib/kafka/data
    ports:
      - 9081:9081
    depends_on:
      - zookeeper

  kafka-2:
    image: confluentinc/cp-kafka:7.5.1
    environment:
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENERS: BROKER://:9092, LOCALHOST://:9082
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, LOCALHOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: BROKER://kafka-2:9092, LOCALHOST://localhost:9082
      KAFKA_BROKER_ID: 2
      KAFKA_INTER_BROKER_LISTENER_NAME: BROKER
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "false"
    volumes:
      - kafka-2-data:/var/lib/kafka/data
    ports:
      - 9092:9082
      - 9082:9082
    networks:
      default:
        aliases:
          - kafka
    depends_on:
      - zookeeper

  kafka-3:
    image: confluentinc/cp-kafka:7.5.1
    environment:
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENERS: BROKER://:9092, LOCALHOST://:9083
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: BROKER:PLAINTEXT, LOCALHOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: BROKER://kafka-3:9092, LOCALHOST://localhost:9083
      KAFKA_BROKER_ID: 3
      KAFKA_INTER_BROKER_LISTENER_NAME: BROKER
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 3
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "false"
    volumes:
      - kafka-3-data:/var/lib/kafka/data
    ports:
      - 9083:9083
    depends_on:
      - zookeeper

  setup:
    image: juplo/toolbox
    command: >
      bash -c "
        if [ -e INITIALIZED ]
        then
          echo -n Bereits konfiguriert: 
          cat INITIALIZED
          kafka-topics --bootstrap-server kafka:9092 --describe --topic test
        else
          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 \
          && echo Das Topic \'test\' wurde erfolgreich angelegt: \
          && kafka-topics --bootstrap-server kafka:9092 --describe --topic test \
          && date > INITIALIZED
        fi
      "
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3

  akhq:
    image: tchiotludo/akhq:0.23.0
    ports:
      - 8888:8080
    environment:
      AKHQ_CONFIGURATION: |
        akhq:
          connections:
            docker-kafka-server:
              properties:
                bootstrap.servers: "kafka:9092"
    depends_on:
      - kafka-1
      - kafka-2
      - kafka-3

  cli:
    image: juplo/toolbox
    command: sleep infinity
    depends_on:
      - setup

volumes:
  zookeeper-data:
  zookeeper-log:
  kafka-1-data:
  kafka-2-data:
  kafka-3-data: