anchor.diff:  # and will receive no further updates after 2016-12-31 (Dec 31, 2016)
   
   # Change to OpenJDK
  -FROM openjdk:8-jre
  -# OS is Debian 64bit
  +FROM openjdk:8-jre-alpine
  +# OS is Alpine 64bit
   
   MAINTAINER Tuan Vo <vohungtuan@gmail.com>
   # Reference Sebastien Pujadas http://pujadas.net
  
positive.code: ####################################################
  # OpenJDK - Java 8
  
  ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64/jre
  
  ###############################################################################
  #                                INSTALLATION
  
negative.code: ### install gosu for easy step-down from root
  ### https://github.com/tianon/gosu/releases
  
  RUN set -x \
      && apk add --no-cache --virtual .gosu-deps \
          dpkg \
          gnupg \
          openssl \
      && dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')" \
      && wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch" \
      && wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc" \
      && export GNUPGHOME="$(mktemp -d)" \
      && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
      && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
      && rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
      && chmod +x /usr/local/bin/gosu \
      && gosu nobody true \
      && apk del .gosu-deps
  
  
  ####################################################
  