FROM python:3.9

# Create a non‐root user (UID 1000) and switch to it
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

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

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

# Expose the port 7860, matching what HF Spaces will hit
EXPOSE 7860

# Launch uvicorn, pointing at "app:app", listening on 0.0.0.0:7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]