anchor.diff:  ARG BUILD_DATE
   ARG VCS_REF
   
  -ARG DOCKER_VERSION=1.11.2
  +ARG DOCKER_VERSION=1.11.2-r1
   
   LABEL \
   	nl.timmertech.build-date=${BUILD_DATE} \
  
positive.code: 		bash \
  		gcc \
  		musl-dev \
  		openssl && \
  	apk upgrade --update --no-cache
  	
  # EOF
negative.code: 	nl.timmertech.vcs-ref=${VCS_REF} \
  	nl.timmertech.license=MIT
  
  RUN echo 'http://pkgs.timmertech.nl/main' >> /etc/apk/repositories && \
  	echo 'http://nl.alpinelinux.org/alpine/3.4/community'  >> /etc/apk/repositories && \
  	echo 'http://nl.alpinelinux.org/alpine/3.5/community'  >> /etc/apk/repositories && \
  	echo 'http://nl.alpinelinux.org/alpine/edge/community'  >> /etc/apk/repositories && \
  	wget -O /etc/apk/keys/gjr.timmer@gmail.com-5857d36d.rsa.pub http://pkgs.timmertech.nl/keys/gjr.timmer%40gmail.com-5857d36d.rsa.pub && \
  	apk upgrade --update --no-cache && \
  	apk add --no-cache --update \
  		ca-certificates \
  		wget \
  		git \
  