FROM python:3.11-slim

# Create non-root user (HuggingFace requirement)
RUN useradd -m -u 1000 user

WORKDIR /app

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

# Copy application code
COPY . .

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

# Switch to non-root user
USER user

# Expose port (HuggingFace Spaces default)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')" || exit 1

# Run the FastAPI server
CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860"]