FROM python:3.11-slim

WORKDIR /app

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

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

COPY *.py ./

# Run as non-root user
RUN useradd -m -u 1000 collector && chown -R collector:collector /app
USER collector

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