services:
  # HTTP Express API Gateway
  api:
    build: ./backend
    container_name: queuectl-api
    ports:
      - "3000:3000"
    env_file:
      - ./backend/.env
    restart: always

  # Background Job Scheduler
  scheduler:
    build: ./backend
    container_name: queuectl-scheduler
    command: ["node", "scheduler.js"]
    env_file:
      - ./backend/.env
    restart: always
    depends_on:
      - api

  # Multi-Core Worker Cluster
  workers:
    build: ./backend
    container_name: queuectl-workers
    command: ["node", "cluster.js"]
    env_file:
      - ./backend/.env
    restart: always
    depends_on:
      - api

  # React Web Dashboard
  dashboard:
    build: ./frontend
    container_name: queuectl-dashboard
    ports:
      - "80:80"
    restart: always
    depends_on:
      - api