FROM python:3.11-slim

# HuggingFace Spaces requires this non-root user
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR $HOME/app

# Install Python dependencies
COPY --chown=user app/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application code
COPY --chown=user app/ .

# HuggingFace Spaces uses port 7860
EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]