docker-compose.yml

services:

  mysql:
    image: 'mysql:9.6.0'
    container_name: 'mysql'
    restart: 'unless-stopped'
    ports:
      - '3306:3306'
    environment:
      - 'MYSQL_ROOT_PASSWORD=secret'
      - 'MYSQL_DATABASE=bitcoindb'
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-u", "root", "--password=$$MYSQL_ROOT_PASSWORD"]

  zookeeper:
    image: 'confluentinc/cp-zookeeper:7.9.5'
    container_name: 'zookeeper'
    restart: 'unless-stopped'
    ports:
      - '2181:2181'
    environment:
      - 'ZOOKEEPER_CLIENT_PORT=2181'
    healthcheck:
      test: ["CMD-SHELL", "echo stat | nc localhost $$ZOOKEEPER_CLIENT_PORT"]

  kafka:
    image: 'confluentinc/cp-kafka:7.9.5'
    container_name: 'kafka'
    restart: 'unless-stopped'
    depends_on:
      zookeeper:
        condition: service_healthy
    ports:
      - '29092:29092'
    environment:
      - 'KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181'
      - 'KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT'
      - 'KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092'
      - 'KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1'
    healthcheck:
      test: ["CMD", "kafka-topics", "--bootstrap-server", "localhost:9092", "--list"]

  kafdrop:
    image: 'obsidiandynamics/kafdrop:4.2.0'
    container_name: 'kafdrop'
    restart: 'unless-stopped'
    depends_on:
      - 'kafka'
    ports:
      - '9000:9000'
    environment:
      - 'KAFKA_BROKERCONNECT=kafka:9092'
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000"]