FROM python:3.11-slim

WORKDIR /app

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

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

COPY src/ .

# Config is mounted at runtime
VOLUME ["/config"]

EXPOSE 8888

HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
  CMD curl -f http://localhost:8888/ || exit 1

CMD ["python", "main.py"]