FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=7860

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

COPY app ./app
COPY LICENSE README.md ./

RUN useradd --create-home --uid 1000 runner && chown -R runner:runner /app
USER runner

EXPOSE 7860
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:7860/api/health', timeout=3)"

CMD ["python", "-m", "app.main"]