anchor.diff:  
   # install additional packages required to compile python
   # patch is only required by python 3.3 to patch ssl
  -# tmux requires aclocal command from automake package.  Too bad as it only needs aclocal and automake has many depenencies.  
  +# tmux requires aclocal command from automake package.  Too bad as it only needs aclocal and automake has many depenencies.
   # zip and unzip is required by sdkman for java/groovy
   RUN yum -y install gcc git curl make patch zlib-devel bzip2-devel readline readline-devel sqllite sqlite-devel openssl openssl-devel libevent libevent-devel && \
   	  yum -y install automake && \
  
positive.code: # install user packages
  RUN yum -y install stow vim;\
  	yum clean all
  
negative.code: FROM centos:centos7
  LABEL maintainer="Michael West <Michael.West@cambiahealth.com>"
  
  # note that this can be used as a mustache template
  # intention is to set proxy and set epel repository to use http
  # to support use as a Dockerfile mustache delimiter is hashtags instead of brackets
  # because the delimiter is changed to get output that is not HTML escaped use
  # delim, delim, ampersand, space, var, delim, delim
  # as described in the docs
  # https://mustache.github.io/mustache.5.html
  