anchor.diff:  #  Java  #
   ##########
   
  -ENV JAVA_URL http://download.oracle.com/otn-pub/java/jdk/8u65-b17/jdk-8u65-linux-x64.tar.gz
  +ENV JAVA_URL=http://download.oracle.com/otn-pub/java/jdk/8u65-b17/jdk-8u65-linux-x64.tar.gz
   RUN mkdir -p /usr/lib/jvm
   RUN wget --no-check-certificate --quiet --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" $JAVA_URL
   RUN tar -zxf jdk-8u65-linux-x64.tar.gz -C /usr/lib/jvm
  
positive.code: RUN nenv npm install -g webdriverio-server
  RUN nenv webdriverio-server-init
  
  ENV PORT 3001
  ENV DEBUG server
  CMD nenv webdriverio-server
  
negative.code: #                            Install Node                             #
  #######################################################################
  
  ENV NODE_VERSION=6.9.2 \
   ENV_DIR=/.ci-env \
   DISPLAY=:0
  
  RUN mkdir /opt/node-envs
  RUN pip install nodeenv
  