FROM python:3.11-slim

WORKDIR /app

# Install dependencies first (layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt && pip install --no-cache-dir aiofiles

# Copy application code
COPY server/ ./server/
COPY baseline_runner.py .
COPY inference.py .
COPY openenv.yaml .

# HuggingFace Spaces expects port 7860
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:7860/')" || exit 1

CMD ["python", "-m", "uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860"]