FROM python:3.12-slim

# Create non-root user (recommended for HF Spaces)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

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

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

# Expose FastAPI app on port 7860 (required by HF Spaces)
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]