docker-compose.yml

services:

  mysql-db:
    image: mysql
    networks:
      - kafka-network
    env_file: ./.env
    environment:
      - MYSQL_DATABASE=$MYSQLDB_DATABASE
      - MYSQL_ROOT_PASSWORD=$MYSQLDB_ROOT_PASSWORD
      - MYSQL_USER=$MYSQLDB_USER
      - MYSQL_PASSWORD=$MYSQLDB_PASSWORD
    ports:
      - "3306:3306"
    volumes:
      - ./_external_files/mysql-scripts.sql:/docker-entrypoint-initdb.d/mysql-scripts.sql

  zookeeper1:
    image: confluentinc/cp-zookeeper:latest
    networks:
      - kafka-network
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "22181:2181"

  kafka1:
    image: confluentinc/cp-kafka:latest
    networks:
      - kafka-network
    depends_on:
      - zookeeper1
    ports:
      - "9092:9092"
      - "29092:29092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper1:2181
#      KAFKA_LISTENERS: INTERNAL_HOST://kafka1:9092,EXTERNAL_HOST://localhost:29092 -> further explore
      KAFKA_ADVERTISED_LISTENERS: INTERNAL_HOST://kafka1:9092,EXTERNAL_HOST://localhost:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INTERNAL_HOST:PLAINTEXT,EXTERNAL_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL_HOST
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  kafkadrop1:
    image: obsidiandynamics/kafdrop:latest
    networks:
      - kafka-network
    depends_on:
      - mysql-db
      - kafka1
    ports:
      - "9000:9000"
    environment:
      KAFKA_BROKERCONNECT: kafka1:9092

  kafka-producer:
    image: producer-app
    networks:
      - kafka-network
    depends_on:
      - kafka1
      - zookeeper1
      - kafkadrop1
    build:
      context: .
      dockerfile: ./kafka-producer/Dockerfile
    command: sh -c "/wait && java -jar producer-app.jar"
    ports:
      - "8092:8092"

  kafka-consumer:
    image: consumer-app
    networks:
      - kafka-network
    depends_on:
      - kafka1
      - kafkadrop1
    build:
      context: .
      dockerfile: ./kafka-consumer/Dockerfile
    command: sh -c "/wait && java -jar consumer-app.jar"
    ports:
      - "8091:8091"

  address-service:
    image: address-app
    networks:
      - kafka-network
    depends_on:
      - mysql-db
      - kafka-consumer
      - kafka-producer
    build:
      context: .
      dockerfile: ./address-service/Dockerfile
    command: sh -c "/wait && java -jar address-app.jar"
    environment:
      - WAIT_HOSTS=mysql-db:3306
      - WAIT_HOSTS_TIMEOUT=300
      - WAIT_SLEEP_INTERVAL=10
      - WAIT_HOST_CONNECT_TIMEOUT=30
    ports:
      - "8093:8093"

networks:
  kafka-network:
    driver: bridge