FROM python:3.9-slim

# Install system dependencies
# fonts-wqy-microhei is a good open source Chinese font
RUN apt-get update && apt-get install -y \
    fonts-liberation \
    fonts-wqy-microhei \
    && rm -rf /var/lib/apt/lists/*

# Create user with ID 1000 for Hugging Face Spaces
RUN useradd -m -u 1000 user

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# Set ownership to user 1000
RUN chown -R user:user /app

USER user

EXPOSE 7860

CMD ["python", "app.py"]