docker-compose.yml

# Modified from
# https://github.com/simplesteph/kafka-stack-docker-compose
# Comments, container names, etc. added by K.S.
version: "2.1"

services:
  zoo1:
    image: zookeeper:3.4.9
    container_name: zoo1
    hostname: zoo1
    ports:
      - "2181:2181"
    environment:
      ZOO_MY_ID: 1
      ZOO_PORT: 2181
      ZOO_SERVERS: server.1=zoo1:2888:3888
    volumes:
      - ./kafka-data/zoo1/data:/data
      - ./kafka-data/zoo1/datalog:/datalog
  kafka1:
    image: confluentinc/cp-kafka:5.4.0
    container_name: kafka1
    hostname: kafka1
    ports:
      - "9092:9092"
    environment:
      # LISTENER_DOCKER_INTERNAL is the listener used for interbroker communication inside Docker
      # LISTENER_DOCKER_EXTERNAL is the listener used for communication from outside of Docker, advertised listener can be localhost (127.0.0.1)
      # as it's exposed by Docker
      KAFKA_ADVERTISED_LISTENERS: LISTENER_DOCKER_INTERNAL://kafka1:19092,LISTENER_DOCKER_EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092
      # Both internal and external listeners use the PLAINTEXT protocol
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_DOCKER_INTERNAL:PLAINTEXT,LISTENER_DOCKER_EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_DOCKER_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
    volumes:
      - ./kafka-data/kafka1/data:/var/lib/kafka/data
    depends_on:
      - zoo1