docker-compose-kafka.yml

version: '2.3'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.2.0
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - '2181:2181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    # extra_hosts:
    #   - "local:127.0.0.1"

  kafka:
    image: confluentinc/cp-kafka:5.2.0
    # hostname: kafka
    container_name: kafka
    ports:
      - '29092:29092'
    # expose:
    #     - "9093"
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
    #   KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
      KAFKA_ADVERTISED_LISTENERS:  PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092
    #   KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka:9093,OUTSIDE://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
    #   KAFKA_LISTENERS: INSIDE://0.0.0.0:9093,OUTSIDE://0.0.0.0:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "false"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    volumes: 
        - /var/run/docker.sock:/var/run/docker.sock
    # extra_hosts:
    #   - "local:127.0.0.1"

  kafka-create-topics:
    image: confluentinc/cp-kafka:5.2.0
    depends_on:
      - kafka
    hostname: kafka-create-topics
    command: "bash -c 'echo Waiting for Kafka to be ready... && \
                       cub kafka-ready -b kafka:9092 1 20 && \
                       kafka-topics --create --topic registered_user --if-not-exists --zookeeper zookeeper:2181 --partitions 1 --replication-factor 1 && \
                       sleep infinity'"
    environment:
      KAFKA_BROKER_ID: ignored
      KAFKA_ZOOKEEPER_CONNECT: ignored
    # extra_hosts:
    #   - "local:127.0.0.1"