services:
  jupyterhub:
    build:
      context: .
      dockerfile: Dockerfile.hub
    container_name: jupyterhub
    image: jupyterhub-hub:latest
    ports:
      - "8000:8000"
    volumes:
      # Access to Docker socket to spawn student containers
      - /var/run/docker.sock:/var/run/docker.sock
      # JupyterHub database persistence
      - jupyterhub-data:/srv/jupyterhub
      # Mount config file directly (for easy modifications)
      - ./jupyterhub_config.py:/srv/jupyterhub/jupyterhub_config.py:ro
    networks:
      - jupyterhub-network
    restart: unless-stopped
    environment:
      # Shared password for all students
      JUPYTERHUB_PASSWORD: metabar2025
      # Optional environment variables
      DOCKER_NOTEBOOK_DIR: /home/jovyan/work

networks:
  jupyterhub-network:
    name: jupyterhub-network
    driver: bridge

volumes:
  jupyterhub-data:
  jupyterhub-shared:
  jupyterhub-course: