docker-compose.yml

services:
  # MySQL/
  db:
    image: mysql:8.0
    container_name: courselink_mysql
    restart: unless-stopped
    ports:
      - "3307:3306"
    environment:
      #  “”
      MYSQL_ROOT_PASSWORD: your_mysql_root_password_here
      MYSQL_DATABASE: chatbot
      MYSQL_USER: backend_user
      MYSQL_PASSWORD: your_strong_password_here
    volumes:
      - db_data:/var/lib/mysql
    healthcheck:
      test: ["CMD-SHELL", "mysqladmin ping -h localhost -u root -p$$MYSQL_ROOT_PASSWORD"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 30s

  # Django Django + DRF + LangGraph Agent
  backend:
    build: ./backend
    container_name: courselink_backend
    restart: unless-stopped
    env_file:
      - ./backend/.env
    environment:
      #  HF 
      HF_HOME: /app/models
      # 1= models/
      TRANSFORMERS_OFFLINE: "0"
    volumes:
      - ./models:/app/models:ro
      #  Nginx  static/media
      - static_volume:/app/staticfiles
      - media_volume:/app/mediafiles
    ports:
      - "8000:8000"
    depends_on:
      db:
        condition: service_healthy
    command:
      - sh
      - -c
      - |
        python manage.py migrate &&
        python manage.py collectstatic --noinput &&
        uvicorn backend.asgi:application --host 0.0.0.0 --port 8000 --workers 1

  # Nginx  +  UI
  nginx:
    build: ./nginx
    container_name: courselink_nginx
    restart: unless-stopped
    ports:
      - "80:80"
    volumes:
      - static_volume:/app/staticfiles:ro
      - media_volume:/app/mediafiles:ro
    depends_on:
      backend:
        condition: service_started

volumes:
  db_data:
  static_volume:
  media_volume: