FROM python:3.11-slim

WORKDIR /app

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

# Copy application
COPY . .

# HF Spaces uses port 7860
ENV PORT=7860
EXPOSE 7860

CMD ["gunicorn", "kronos_server:app", "--bind", "0.0.0.0:7860", "--timeout", "300", "--workers", "1"]