services:
  app:
    build: .
    ports:
      - "${HOST_PORT:-3000}:3000"
    volumes:
      - ./data:/data
    environment:
      - DATABASE_URL=sqlite:/data/attendance.db
      - STATIC_DIR=/app/frontend/build
      - JWT_SECRET=${JWT_SECRET:-dev_secret_for_demo}
      - PORT=3000
    restart: always