anchor.diff:  ENV START_SCRIPT /root/start-apache.sh
   
   ############################################################
  -# Install and configure webserver software and Vim (sorry,
  -# I cannot live without it)
  +# Install and configure webserver software
   ############################################################
   
  -RUN apt-get -y update
  -RUN apt-get -y install \
  +RUN apt-get update && \
  +    apt-get -y install \
         apache2 \
         libapache2-mod-auth-kerb \
         libapache2-mod-proxy-html \
  -      vim
  +      --no-install-recommends
   
   RUN a2enmod proxy
   RUN a2enmod proxy_http
  
positive.code: # installed app artifacts.
  ############################################################
  
  RUN apt-get -y install \
        git \
        nodejs \
        nodejs-legacy \
        npm \
        gettext-base && \
      cd $SOURCE_DIR && \
      npm install -g yo && \
      npm install && \
  
negative.code: FROM debian:jessie
  MAINTAINER "Konrad Kleine"
  
  USER root
  