FROM vllm/vllm-openai:v0.21.0

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1

# Expose default HF port
ENV HF_PORT=7860
EXPOSE 7860

# HF Spaces runs containers as uid 1000 — create the user and home dir.
RUN useradd -m -u 1000 user || true

WORKDIR /app

# Copy requirements.txt and install python dependencies
COPY --chown=user requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

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

# Switch to non-root user for runtime (required by HF Spaces)
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

ENTRYPOINT []

CMD ["python3", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]