version: '3.5'

services:
  # Handle the coordination between the kafka images
  zookeeper:
    image: strimzi/kafka:0.19.0-kafka-2.5.0
    command: [
      "sh", "-c",
      "bin/zookeeper-server-start.sh config/zookeeper.properties"
    ]
    ports:
      - "2181:2181"
    environment:
      LOG_DIR: /tmp/logs
    networks:
      - kafka

  # The event system
  kafka:
    image: strimzi/kafka:0.19.0-kafka-2.5.0
    command: [
      "sh", "-c",
      "bin/kafka-server-start.sh config/server.properties --override listeners=$${KAFKA_LISTENERS} --override advertised.listeners=$${KAFKA_ADVERTISED_LISTENERS} --override zookeeper.connect=$${KAFKA_ZOOKEEPER_CONNECT} --override num.partitions=$${KAFKA_NUM_PARTITIONS} --override group.min.session.timeout.ms=$${KAFKA_GROUP_MIN_SESSION_TIMEOUT_MS}"
    ]
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      LOG_DIR: "/tmp/logs"
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
      KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_NUM_PARTITIONS: 3
      KAFKA_GROUP_MIN_SESSION_TIMEOUT_MS: 100
    networks:
      - kafka

  # Producer to a Kafka cluster
  producer:
    image: quarkus-quickstarts/kafka-streams-producer:1.0
    build:
      context: producer
      dockerfile: src/main/docker/Dockerfile.${QUARKUS_MODE:-jvm}
    environment:
      KAFKA_BOOTSTRAP_SERVERS: kafka:9092
    networks:
      - kafka

  # Aggregator to a Kafka cluster
  aggregator:
    image: quarkus-quickstarts/kafka-streams-aggregator:1.0
    build:
      context: aggregator
      dockerfile: src/main/docker/Dockerfile.${QUARKUS_MODE:-jvm}
    environment:
      QUARKUS_KAFKA_STREAMS_BOOTSTRAP_SERVERS: kafka:9092
    networks:
      - kafka

  # Our application
  application:
    build:
      context: .
      dockerfile: ./src/main/docker/Dockerfile.${QUARKUS_MODE:-jvm}
    environment:
      KAFKA_BOOTSTRAP_SERVERS: kafka:9092
    depends_on:
      - zookeeper
      - kafka
      - producer
      - aggregator
    networks:
      - kafka

networks:
  # the Kafka network
  kafka:
    name: kafka