anchor.diff:  ARG DOCKERIZE_VERSION=v0.6.1
   ARG CONTAINER_UID=1000
   ARG CONTAINER_GID=1000
  +ARG BUILD_DATE=undefined
   
   ENV TERM="xterm" \
       TIMEZONE="Europe/Berlin" \
  
positive.code: 
  # install (upgrade) new dockerized toolbox
  RUN wget -q -O /tmp/dockerize.tar.gz https://github.com/jwilder/dockerize/releases/download/${DOCKERIZE_VERSION}/dockerize-alpine-linux-amd64-$DOCKERIZE_VERSION.tar.gz && \
      tar -C /usr/local/bin -xzvf /tmp/dockerize.tar.gz
  
  # cleanUp
  RUN apk del ca-certificates gzip wget && \
  
negative.code: # OS/CORE  : blacklabelops/alpine:3.7
  # SERVICES : ntp, ...
  #
  # VERSION 1.0.7
  #
  
  FROM blacklabelops/alpine:3.7
  
  MAINTAINER Patrick Paechnatz <patrick.paechnatz@gmail.com>
  
  ARG ISO_LANGUAGE=en
  ARG ISO_COUNTRY=US
  