FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

# HF Docker Spaces execute as uid 1000. Match that identity so copied code
# and writable runtime mounts are usable after the build container is gone.
RUN groupadd --gid 1000 libbee \
    && useradd --uid 1000 --gid 1000 --create-home libbee \
    && chown libbee:libbee /app

COPY --chown=libbee:libbee requirements.txt ./
RUN pip install --no-cache-dir --requirement requirements.txt

COPY --chown=libbee:libbee . .
USER libbee

EXPOSE 7860
HEALTHCHECK --interval=30s --timeout=8s --start-period=90s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:7860/health/live', timeout=5)"

# Keep one process: the local session/metrics stores are not a shared database.
# HF supplies the public address through its trusted reverse proxy.
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--proxy-headers", "--forwarded-allow-ips", "*"]