FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc && \
    rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY env/ ./env/

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

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

# Run with uvicorn — 2 workers matches HF Spaces free tier cpu-basic
CMD ["uvicorn", "env.server.app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "2"]