FROM python:3.12-slim

WORKDIR /code

COPY requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

COPY app /code/app
RUN adduser --disabled-password --gecos "" appuser

EXPOSE 8000

HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health', timeout=2).read()"

USER appuser

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]