docker-compose.yml

# Define the services and applications that make up your application.
services:
  redis:
    image: redis:latest
    container_name: redis
    ports:
      - "6379:6379" # Redis default port
    healthcheck: # Checks to see if Redis is up
      test: ["CMD", "redis-cli", "PING"]
      interval: 10s
      timeout: 10s
      retries: 10
    networks:
      - app-network

  rabbitmq:
    image: rabbitmq:management
    container_name: rabbitmq
    ports:
      - "5672:5672"       # RabbitMQ default port
      - "15672:15672"     # RabbitMQ management plugin port
    environment:
      RABBITMQ_DEFAULT_USER: user
      RABBITMQ_DEFAULT_PASS: password
    healthcheck: # Checks to see if RabbitMQ is up
      test: rabbitmq-diagnostics check_port_connectivity
      interval: 10s
      timeout: 10s
      retries: 10
    networks:
      - app-network

  user_service:
    build: ./backend/user_service # Path to the directory containing the Dockerfile for building the user service image.
    ports:
      - 5001:5001 # Maps port 5001 on the host to port 5001 in the container, making the app accessible on the host.
    networks:
      - app-network

  question_service:
    build:
      context: ./backend/question_service # Path to the directory containing the Dockerfile for building the question service image.
      args:
        USER_SERVICE_BACKEND_URL: ${USER_SERVICE_BACKEND_URL}
    ports:
      - 5002:5002 # Maps port 5002 on the host to port 5002 in the container, making the app accessible on the host.
    networks:
      - app-network
    depends_on:
      - user_service

  matching_service:
    build:
      context: ./backend/matching_service # Path to the directory containing the Dockerfile for building the matching service image.
      args:
        USER_SERVICE_BACKEND_URL: ${USER_SERVICE_BACKEND_URL}
        QUESTION_SERVICE_BACKEND_URL: ${QUESTION_SERVICE_BACKEND_URL}
        COLLAB_SERVICE_BACKEND_URL: ${COLLAB_SERVICE_BACKEND_URL}
        REDIS_URL: ${REDIS_URL}
        RABBITMQ_URL: ${RABBITMQ_URL}
    ports:
      - 5003:5003 # Maps port 5003 on the host to port 5003 in the container, making the app accessible on the host.
    networks:
      - app-network
    depends_on:
      redis:
        condition: service_healthy # Only start matching_service when Redis is up
      rabbitmq:
        condition: service_healthy # Only start matching_service when RabbitMQ is up
      user_service:
        condition: service_started
      question_service:
        condition: service_started
      collab_service:
        condition: service_started
      
  collab_service:
    build: 
      context: ./backend/collab_service # Path to the directory containing the Dockerfile for building the collab service image.
      args:
        USER_SERVICE_BACKEND_URL: ${USER_SERVICE_BACKEND_URL}
        REDIS_URL: ${REDIS_URL}
    ports:
      - 5004:5004 # Maps port 5004 on the host to port 5004 in the container, making the app accessible on the host.
    networks:
      - app-network 
    depends_on:
      redis:
        condition: service_healthy # Only start collab_service when Redis is up
      user_service:
        condition: service_started
    
  history_service:
    build: 
      context: ./backend/history_service # Path to the directory containing the Dockerfile for building the history service image.
      args:
        USER_SERVICE_BACKEND_URL: ${USER_SERVICE_BACKEND_URL}
        QUESTION_SERVICE_BACKEND_URL: ${QUESTION_SERVICE_BACKEND_URL}
    ports:
      - 5005:5005 # Maps port 5005 on the host to port 5005 in the container, making the app accessible on the host.
    networks:
      - app-network 
    depends_on:
      - user_service

  frontend:
    build:
      context: ./frontend
      args:
        VITE_QUESTION_SERVICE_BACKEND_URL: ${VITE_QUESTION_SERVICE_BACKEND_URL}
        VITE_MATCHING_SERVICE_WS_BACKEND_URL: ${VITE_MATCHING_SERVICE_WS_BACKEND_URL}
        VITE_COLLAB_SERVICE_WS_BACKEND_URL: ${VITE_COLLAB_SERVICE_WS_BACKEND_URL}
        VITE_COLLAB_SERVICE_BACKEND_URL: ${VITE_COLLAB_SERVICE_BACKEND_URL}
        VITE_USER_SERVICE_BACKEND_URL: ${VITE_USER_SERVICE_BACKEND_URL}
        VITE_HISTORY_SERVICE_BACKEND_URL: ${VITE_HISTORY_SERVICE_BACKEND_URL}
    ports:
      - 3000:80
    networks:
      - app-network

networks:
  app-network: # Defines a network named 'app-network'.
    driver: bridge # Uses the bridge driver for the network, which is the default and most common network type in Docker.