Dockerfile

FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Copy application files
COPY app.py .
COPY index.html .

# Install system dependencies (for Pillow and reportlab)
RUN apt-get update && apt-get install -y \
    libjpeg-dev \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
RUN pip install --no-cache-dir flask qrcode pillow reportlab

# Expose port 7860 for Hugging Face Spaces
EXPOSE 7860

# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=production

# Run the Flask app
CMD ["flask", "run", "--host=0.0.0.0", "--port=7860"]