# Use lightweight Python image
FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

# Copy app code
COPY . .

# Expose the port HF Spaces expects
EXPOSE 7860

# Start the app with gunicorn
CMD ["gunicorn", "-w", "2", "-b", "0.0.0.0:7860", "app:app"]