FROM python:3.12-slim
ENV PYTHONUNBUFFERED=1 PYTHONDONTWRITEBYTECODE=1
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
RUN useradd --create-home lab && chown -R lab:lab /app
USER lab
CMD ["python", "lab.py", "demo"]
