FROM python:3.12-slim

WORKDIR /app

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

COPY app.py .
COPY groups.yml /config/groups.yml

ENV GROUPS_PATH=/config/groups.yml \
    PORT=8080

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD python -c "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://localhost:8080/healthz', timeout=3).status==200 else 1)"

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8080", "--log-level", "info"]