docker-compose.yml

version: "3.8"

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.0
    container_name: labwatch-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    ports:
      - "2181:2181"

  kafka:
    image: confluentinc/cp-kafka:7.5.0
    container_name: labwatch-kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
      - "29092:29092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181

      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:29092,PLAINTEXT_HOST://0.0.0.0:9092
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT

      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1