FROM python:3.11-slim

# Speed up installs
ENV PIP_NO_CACHE_DIR=1 PIP_DISABLE_PIP_VERSION_CHECK=1

# Install deps
COPY requirements.txt .
RUN pip install -r requirements.txt

# Add app
COPY app.py .

# Hugging Face Spaces injects $PORT (e.g., 7860). Bind to it.
ENV PORT=7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]