FROM python:3.11-slim

WORKDIR /app

RUN pip install --no-cache-dir \
    lockstock-integrations[fastapi] \
    httpx \
    uvicorn

COPY lockstock_gateway/ /app/lockstock_gateway/

EXPOSE 4000

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD python -c "import httpx; r = httpx.get('http://localhost:4000/healthz'); exit(0 if r.status_code == 200 else 1)"

CMD ["uvicorn", "lockstock_gateway:app", "--host", "0.0.0.0", "--port", "4000", "--workers", "1"]
