anchor.diff:  FROM        scratch
  -MAINTAINER  Rene Meusel <rene.meusel@cern.ch>
  +MAINTAINER  Jakob Blomer <jblomer@cern.ch>
   
   ADD         cc7_x86_64.tar.gz /
   RUN         yum -y update && yum -y install epel-release
  
positive.code: 
  RUN curl -o /usr/local/bin/rebar3 https://s3.amazonaws.com/rebar3/rebar3 && chmod +x /usr/local/bin/rebar3 && /usr/local/bin/rebar3 local install
  
  RUN curl -o /tmp/go.tar.gz http://ecsft.cern.ch/dist/cvmfs/builddeps/go1.8.4.linux-amd64.tar.gz && \
      cd /tmp && tar xfz go.tar.gz
  ENV GOROOT="/tmp/go"
  
  USER        sftnight
  WORKDIR     /home/sftnight
  
negative.code:                        gcc                     \
                         gcc-c++                 \
                         git                     \
                         golang                  \
                         hardlink                \
                         libattr-devel           \
                         libcap-devel            \
  