docker-compose.yml

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.0.1
    platform: linux/amd64
    container_name: zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:7.0.1
    platform: linux/amd64
    container_name: kafka
    ports:
      - "9092:9092"
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0

  account_db:
    image: postgres:14-alpine
    
    container_name: account_db
    ports:
      - "5432:5432" # Expose Postgres to your host machine for easy inspection
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: account_db
    volumes:
      - account_db_data:/var/lib/postgresql/data

  product_db:
      image: docker.elastic.co/elasticsearch/elasticsearch:8.11.0
      platform: linux/amd64
      container_name: product_db
      ports:
        - "9200:9200" # Expose Elasticsearch to your host
      environment:
        - discovery.type=single-node
        - "ES_JAVA_OPTS=-Xms1g -Xmx1g" # Limit memory usage
        - xpack.security.enabled=false
      volumes:
        - product_db_data:/usr/share/elasticsearch/data

  recommender_db:
    image: postgres:14-alpine
    container_name: recommender_db
    ports:
      - "5433:5432" # Use port 5433 on your host to avoid conflict with account_db
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: recommender_db
    volumes:
      - recommender_db_data:/var/lib/postgresql/data

  order_db:
    image: postgres:14-alpine
    container_name: order_db
    ports:
      - "5434:5432" # Use port 5434 on your host
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: order_db
    volumes:
      - order_db_data:/var/lib/postgresql/data

  payment_db:
    image: postgres:14-alpine
    container_name: payment_db
    ports:
      - "5435:5432" # Use port 5435 on your host
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: payment_db
    volumes:
      - payment_db_data:/var/lib/postgresql/data

volumes:
  account_db_data:
  product_db_data:
  recommender_db_data:
  order_db_data:
  payment_db_data: