version: '3.8'

services:
  kafka:
    image: 'bitnami/kafka:latest'
    environment:
      - KAFKA_BROKER_ID=1
      - KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
      - KAFKA_LISTENERS=INSIDE://:9092,OUTSIDE://:29092
      - KAFKA_ADVERTISED_LISTENERS=INSIDE://kafka:9092,OUTSIDE://localhost:29092
      - KAFKA_INTER_BROKER_LISTENER_NAME=INSIDE
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
    depends_on:
      - zookeeper

  zookeeper:
    image: 'bitnami/zookeeper:latest'
    environment:
      - ALLOW_ANONYMOUS_LOGIN=yes

  producer:
    build:
      context: .
      dockerfile: producer.Dockerfile
    environment:
      - KAFKA_BOOTSTRAP_SERVERS=kafka:9092
    depends_on:
      - kafka

  consumer:
    build:
      context: .
      dockerfile: consumer.Dockerfile
    environment:
      - KAFKA_BOOTSTRAP_SERVERS=kafka:9092
    depends_on:
      - kafka

  processor:
    build:
      context: .
      dockerfile: processor.Dockerfile
    environment:
      - KAFKA_BOOTSTRAP_SERVERS=kafka:9092
    depends_on:
      - kafka