FROM python:3.8.12-bullseye AS base ENV PYTHONUNBUFFERED=1 WORKDIR /steering COPY requirements.txt . RUN pip install --upgrade pip RUN pip install --no-cache-dir -r requirements.txt EXPOSE 8000 FROM base AS dev VOLUME ["/steering"] CMD ["python", "manage.py", "runserver", "0.0.0.0:8000" ] FROM base AS prod COPY . . CMD ["sh", "-c", "gunicorn -b 0.0.0.0:8000 -w $(nproc) steering.wsgi"]