FROM python:3.12-slim-bookworm
ENV PYTHONUNBUFFERED=1

WORKDIR /app

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

COPY task-watcher/requirements.txt /app/
RUN pip install --no-cache-dir --timeout 600 --retries 5 -r requirements.txt

# 공통 heartbeat 모듈 (services/_shared) — watcher.py가 from _shared.heartbeat import
COPY _shared /app/_shared
COPY task-watcher/. /app/
ENV PYTHONPATH=/app

EXPOSE 8000
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]
