version: "3.9"  # optional since v1.27.0
services:

  cache:
    image: "redis:alpine"
    ports:
     - "6379:6379"
    networks: 
       - cqrs-intranet

  db:
    image: "mysql"
    environment:
      MYSQL_ROOT_USER: root
      MYSQL_ROOT_PASSWORD: 123456
      MYSQL_DATABASE: cqrs
      MYSQL_USER: cqrs
      MYSQL_PASSWORD: 123456
    ports:
      - "3306:3306"
    networks: 
      - cqrs-intranet
    volumes:
      - ./storage/init.sql:/data/application/init.sql


  queue-manager:
    image: wurstmeister/zookeeper:3.4.6
    ports:
      - "2181:2181"
    networks: 
       - cqrs-intranet


  queue:
    # https://www.confluent.io/blog/kafka-client-cannot-connect-to-broker-on-aws-on-docker-etc/
    # https://medium.com/@marcelo.hossomi/running-kafka-in-docker-machine-64d1501d6f0b
    # https://www.kaaproject.org/blog/kafka-docker
    image: wurstmeister/kafka:2.11-2.0.0
    ports:
      - "19092:19092"   
    links:
      - queue-manager
    networks: 
      - cqrs-intranet
    environment:
      KAFKA_ZOOKEEPER_CONNECT: queue_manager:2181
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'true'
      KAFKA_DELETE_TOPIC_ENABLE: 'true'
      KAFKA_CREATE_TOPICS: "items:1:1,status:1:1"
      # listeners: The address the socket server listens on.
      KAFKA_LISTENERS: INTERNAL://0.0.0.0:9092,EXTERNAL://0.0.0.0:19092
      # advertised.listeners: Hostname and port the broker will advertise to producers and consumers.
      KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:9092,EXTERNAL://localhost:19092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL      

    volumes:
      - /var/run/docker.sock:/var/run/docker.sock


  storage:
    build: ./storage
    ports:
      - 5001:5000
    links:
      - db
      - queue
    networks: 
      - cqrs-intranet

  consumer:
    build: ./consumer
    ports:
      - 5002:5000
    links:
      - queue
    networks: 
      - cqrs-intranet

  producer:
    build: ./producer
    ports:
      - 5003:5000
    links:
      - queue
      - storage
    networks: 
      - cqrs-intranet

  notifier:
    build: ./notifier
    ports:
      - 5004:5000
    links:
      - queue
    networks: 
      - cqrs-intranet

  reader:
    build: ./reader
    ports:
      - 5005:5000
    links:
      - cache
      - storage
    networks: 
      - cqrs-intranet


  #loadbalancer:
  #  image: nginx:latest
  #  volumes:
  #    - ./loadbalancer/nginx.conf:/etc/nginx/nginx.conf
  #  ports:
  #    - 8080:80
  #    - 443:443

networks:
  cqrs-intranet: