docker-compose.yml

# https://github.com/conduktor/kafka-stack-docker-compose
---
services:
  zoo1:
    image: confluentinc/cp-zookeeper:7.5.3
    hostname: zoo1
    container_name: zoo1
    ports:
      - "127.0.0.1:2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_SERVER_ID: 1
      ZOOKEEPER_SERVERS: zoo1:2888:3888
    healthcheck:
      # cub is shipped in the image; the 4lw "ruok" probe is not whitelisted by default in ZK 3.5+
      test: ["CMD", "cub", "zk-ready", "localhost:2181", "5"]
      interval: 5s
      timeout: 10s
      retries: 24

  kafka1:
    image: confluentinc/cp-kafka:7.5.3
    hostname: kafka1
    container_name: kafka1
    ports:
      - "127.0.0.1:9092:9092"
    environment:
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka1:19092,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
      KAFKA_ZOOKEEPER_CONNECT: "zoo1:2181"
      KAFKA_BROKER_ID: 1
      KAFKA_LOG4J_LOGGERS: "kafka.controller=INFO,kafka.producer.async.DefaultEventHandler=INFO,state.change.logger=INFO"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      # Consumer groups are created per-run, so skip the 3s default rebalance debounce
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      # Tests create their topics explicitly; test_invalid_topic depends on this being off
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "false"
    healthcheck:
      test: ["CMD-SHELL", "kafka-broker-api-versions --bootstrap-server localhost:9092"]
      interval: 5s
      timeout: 10s
      retries: 24
    depends_on:
      zoo1:
        condition: service_healthy