FROM python:3.12-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends libpq-dev && rm -rf /var/lib/apt/lists/*
RUN pip install --no-cache-dir --upgrade pip

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

RUN adduser --disabled-password --no-create-home appuser

COPY --chown=appuser app/ app/

EXPOSE 8400
ENV PYTHONUNBUFFERED=1

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD python3 -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8400/api/health', timeout=3)" || exit 1

USER appuser
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8400"]