anchor.diff: -FROM ubuntu:cosmic
  +FROM ubuntu:bionic
   
   RUN \
     # configure the "jhipster" user
  
positive.code: 
  # expose the working directory, the Tomcat port, the BrowserSync ports
  USER jhipster
  ENV PATH $PATH:/usr/bin:/home/jhipster/.yarn-global/bin:/home/jhipster/.yarn/bin:/home/jhipster/.config/yarn/global/node_modules/.bin
  WORKDIR "/home/jhipster/app"
  VOLUME ["/home/jhipster/app"]
  
negative.code:     python \
      g++ \
      libpng-dev \
      build-essential \
      sudo && \
    # install node.js
    wget https://nodejs.org/dist/v10.15.3/node-v10.15.3-linux-x64.tar.gz -O /tmp/node.tar.gz && \
    tar -C /usr/local --strip-components 1 -xzf /tmp/node.tar.gz && \
  