docker-compose.yml

version: "3"

services:
  mongo:
    image: mongo:latest
    container_name: mongo_db
    restart: always
    ports:
      - "27017:27017"
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
    volumes:
      - mongo_data:/data/db
    networks:
      - smarty-city
  # Zookeeper service
  zookeeper:
    container_name: zookeeper
    image: confluentinc/cp-zookeeper:7.4.4
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - 22181:2181
    networks:
      - smarty-city
  # Kafkaservice
  kafka:
    container_name: kafka
    image: confluentinc/cp-kafka:7.4.4
    # Ensure that the kafka service start after the Zookeeper service started
    depends_on:
      - zookeeper
    ports:
      - 29092:29092
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:29092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    networks:
      - smarty-city

  data-processing:
    build:
      context: .
      dockerfile: Dockerfile.processing
    container_name: smart-city-data-processing-server
    env_file:
      - .env
    depends_on:
      - mongo
      - kafka
    networks:
      - smarty-city
    stdin_open: true   # This allows interactive mode
    tty: true     

  data-ingestion:
    build:
      context: .
      dockerfile: Dockerfile.ingestion
    container_name: smart-city-data-ingestion-server
    env_file:
      - .env
    depends_on:
      - kafka
    networks:
      - smarty-city

networks:
  smarty-city:
    driver: bridge

volumes:
  mongo_data: