FROM python:3.12-slim
ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
WORKDIR /app

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

COPY requirements.txt .
RUN python -m pip install --upgrade pip setuptools wheel \
    && pip install --no-cache-dir -r requirements.txt

COPY splunk_poller.py .

RUN useradd -u 10001 -m appuser && chown -R appuser /app
USER appuser

VOLUME ["/app/out"]
ENTRYPOINT ["python", "-u", "splunk_poller.py"]