FROM python:3.11-slim

WORKDIR /app

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

# Copy application
COPY main.py .

# Run as non-root
RUN useradd -m -u 1000 prober
USER prober

EXPOSE 9108

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