FROM python:3.11-slim

WORKDIR /app

COPY requirements.txt .

# Install CPU-only PyTorch (much smaller than GPU build), then the rest
RUN pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu && \
    pip install --no-cache-dir -r requirements.txt

COPY app.py .

EXPOSE 7860

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