anchor.diff:  
   COPY compose.patch /tmp/compose.patch
   RUN apk add --no-cache --virtual build-packages \
  +        libc-dev \
  +        libffi-dev \
           linux-headers \
  +        openssl-dev \
    && cd /tmp \
    && git clone https://github.com/pypa/pip.git -b 19.1.1 \
    && cd pip \
  
positive.code:  && pip install --no-cache-dir \
          awscli==1.16.180 \
          cookiecutter==1.6.0 \
          docker-compose==1.22.0 \
          prompt==0.4.1 \
          ipdb==0.11 \
          json2yaml==1.1.1 \
  
negative.code:         go \
          grep \
          less \
          libffi \
          make \
          moreutils \
          nodejs \
  