anchor.diff:    echo 'jhipster:jhipster' |chpasswd && \
     mkdir /home/jhipster/app && \
   
  -  # install oracle jdk 8
  -  echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" >> /etc/apt/sources.list && \
  -  echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" >> /etc/apt/sources.list && \
  -  apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C2518248EEA14886 && \
  +  # install open-jdk 8
     apt-get update && \
  -  echo oracle-java${JAVA_VERSION}-installer shared/accepted-oracle-license-v1-1 select true | sudo /usr/bin/debconf-set-selections && \
  -  apt-get install -y --force-yes --no-install-recommends \
  -    oracle-java${JAVA_VERSION}-installer \
  -    oracle-java${JAVA_VERSION}-set-default && \
  +  apt-get install -y openjdk-8-jdk && \
   
     # install utilities
     apt-get install -y \
  
positive.code:      build-essential && \
  
    # install node.js
    curl -sL https://deb.nodesource.com/setup_4.x | sudo bash - && \
    apt-get install -y nodejs && \
  
    # upgrade npm
  
negative.code: FROM ubuntu:xenial
  
  ENV JAVA_VERSION 8
  ENV JAVA_HOME /usr/lib/jvm/java-${JAVA_VERSION}-openjdk-amd64
  
  RUN \
    # configure the "jhipster" user
  