anchor.diff:      zsh \
       build-essential \
       python3-dev \
  +    python3-setuptools \
       python3-pip \
   && rm -rf /var/lib/apt/lists/*
   
  
positive.code:     apt-get clean
  
  RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
      git \
      wget \
      curl \
  
negative.code: ENV PIPENV_PYPI_MIRROR https://mirrors.aliyun.com/pypi/simple/
  
  RUN pip3 install -U pip && pip install pipenv
  RUN wget -O- https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh | zsh || true
  
  CMD ["zsh"]
  