anchor.diff: -FROM isuper/java-oracle:jdk_8
  +FROM ubuntu:trusty
   
  -# configure the "jhipster" user
  +ENV JAVA_VERSION 8
  +ENV JAVA_HOME /usr/lib/jvm/java-${JAVA_VERSION}-oracle
  +
  +# configure the "jhipster" user before copying generator-jhipster source files so home folder is properly created
   RUN \
     groupadd jhipster && \
     useradd jhipster -s /bin/bash -m -g jhipster -G sudo && \
  
positive.code:     gulp-cli \
      /home/jhipster/generator-jhipster && \
  
    chown -R jhipster:jhipster \
      /home/jhipster \
      /usr/lib/node_modules && \
  
negative.code: COPY . /home/jhipster/generator-jhipster
  
  RUN \
  
    # 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 && \
    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 && \
  
    # install utilities
    apt-get install -y \
       wget \
       curl \
       vim \
       git \
       zip \
  