Dockerfile

FROM python:3.10

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

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

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

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