FROM python:3.11-slim

ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

WORKDIR /app

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

COPY app.py *.html *.css ./

# HF Spaces require listening on $PORT (default 7860).
ENV PORT=7860
EXPOSE 7860

CMD ["sh", "-c", "uvicorn app:app --host 0.0.0.0 --port ${PORT}"]