FROM python:3.11-slim WORKDIR /srv COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt COPY app/ ./app/ COPY fixed/ ./fixed/ # Drop privileges -- the lab should never run as root. RUN useradd --create-home lab USER lab # Overridden per-service in docker-compose.yml. CMD ["uvicorn", "app.vulnerable_app:app", "--host", "0.0.0.0", "--port", "8000"]