FROM python:3.12-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends curl \
    && rm -rf /var/lib/apt/lists/*

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

COPY router/*.py ./
COPY config /app/config

ENV CONFIG_DIR=/app/config
ENV PYTHONUNBUFFERED=1

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD curl -sf http://127.0.0.1:8000/health || exit 1

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