docker-compose.yml

services:
  elasticsearch:
    image: elasticsearch:8.6.0
    container_name: elasticsearch
    ports:
      - 9200:9200
    environment:
      - discovery.type=single-node
      - xpack.security.enabled=false
    volumes:
      - ./volumes/elasticsearch/data:/usr/share/elasticsearch/data

  zookeeper:
    image: confluentinc/cp-zookeeper:7.3.1
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    volumes:
      - ./volumes/zookeeper/data:/var/lib/zookeeper/data
      - ./volumes/zookeeper/log:/var/lib/zookeeper/log

  kafka:
    image: confluentinc/cp-kafka:7.3.1
    hostname: kafka
    container_name: kafka
    depends_on:
      - zookeeper
    ports:
      - "29092:29092"
      - "9092:9092"
      - "9101:9101"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_JMX_PORT: 9101
      KAFKA_JMX_HOSTNAME: localhost
    volumes:
      - ./volumes/kafka/data:/var/lib/kafka/data

  init-kafka:
    image: confluentinc/cp-kafka:7.3.1
    container_name: init-kafka
    depends_on:
      - kafka
    entrypoint: [ '/bin/sh', '-c' ]
    command: |
      "
      # blocks until kafka is reachable
      kafka-topics --bootstrap-server kafka:29092 --list

      # the partition count limits the number of parallel consumers
      echo -e 'Creating kafka topics'
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic news --replication-factor 1 --partitions 3

      echo -e 'Successfully created the following topics:'
      kafka-topics --bootstrap-server kafka:29092 --list

      # docker exec -it kafka bash
      # kafka-console-consumer --bootstrap-server kafka:29092 --topic news --from-beginning --property print.key=true --property key.separator=":"
      # kafka-consumer-groups --bootstrap-server kafka:29092 --describe --group news-group
      # kafka-consumer-groups --bootstrap-server kafka:29092 --group news-group --reset-offsets --to-earliest --topic news --execute
      # kafka-topics --bootstrap-server kafka:29092 --delete --topic news
      "