docker-compose.yml

version: '2'
services:
  zookeeper-1:
    image: confluentinc/cp-zookeeper:latest
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "22181:2181"

  zookeeper-2:
    image: confluentinc/cp-zookeeper:latest
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "32181:2181"

  kafka-1:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper-1
      - zookeeper-2

    ports:
      - "29092:29092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181,zookeeper-2:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-1:9092,PLAINTEXT_HOST://localhost:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  kafka-2:
    image: confluentinc/cp-kafka:latest
    depends_on:
      - zookeeper-1
      - zookeeper-2
    ports:
      - "39092:39092"
    environment:
      KAFKA_BROKER_ID: 2
      KAFKA_ZOOKEEPER_CONNECT: zookeeper-1:2181,zookeeper-2:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka-2:9092,PLAINTEXT_HOST://localhost:39092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  kowl:
    image: quay.io/cloudhut/kowl:v1.4.0
    restart: on-failure
    hostname: kowl
    volumes:
      - ./.docker/kowl/config.yaml:/etc/kowl/config.yaml
    ports:
      - "8080:8080"
    entrypoint: ./kowl --config.filepath=/etc/kowl/config.yaml
    depends_on:
      - kafka-1
      - kafka-2