FROM python:3.12-slim AS builder
WORKDIR /build
RUN python -m venv /venv
ENV PATH=/venv/bin:$PATH
COPY pyproject.toml README.md ./
COPY app ./app
RUN pip install --no-cache-dir .

FROM python:3.12-slim
RUN useradd --create-home --uid 10001 appuser
COPY --from=builder /venv /venv
ENV PATH=/venv/bin:$PATH PYTHONUNBUFFERED=1
USER appuser
WORKDIR /home/appuser
EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=3s CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/healthz')"
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]