FROM python:3.12-slim@sha256:229a2c5bfa27522db7815ea81f9bed70af17ccb9de9fc7ad142b1877b5830d36

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc libpq-dev \
    && rm -rf /var/lib/apt/lists/* \
    && groupadd --system app \
    && useradd --system --gid app --home-dir /app --shell /usr/sbin/nologin app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY --chown=app:app . .

ENV PYTHONPATH=/app
USER app
EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
    CMD python -c "from urllib.request import urlopen; urlopen('http://127.0.0.1:8000/ready', timeout=3)"
CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]
