anchor.diff:  FROM phusion/baseimage:0.9.16
  +
  +ENV baseDir .
   
   # Install Node.js and Grunt
   RUN curl -sL https://deb.nodesource.com/setup | sudo bash -
  
positive.code: 	mkdir /etc/service/track-changes-sharelatex; \
  	mkdir /etc/service/web-sharelatex; 
  
  ADD runit/chat-sharelatex.sh             /etc/service/chat-sharelatex/run
  ADD runit/clsi-sharelatex.sh             /etc/service/clsi-sharelatex/run
  ADD runit/docstore-sharelatex.sh         /etc/service/docstore-sharelatex/run
  ADD runit/document-updater-sharelatex.sh /etc/service/document-updater-sharelatex/run
  ADD runit/filestore-sharelatex.sh        /etc/service/filestore-sharelatex/run
  ADD runit/real-time-sharelatex.sh        /etc/service/real-time-sharelatex/run
  ADD runit/spelling-sharelatex.sh         /etc/service/spelling-sharelatex/run
  ADD runit/tags-sharelatex.sh             /etc/service/tags-sharelatex/run
  ADD runit/track-changes-sharelatex.sh    /etc/service/track-changes-sharelatex/run
  ADD runit/web-sharelatex.sh              /etc/service/web-sharelatex/run
  
  # Install TexLive
  RUN apt-get install -y wget
  
negative.code: run apt-get update
  RUN apt-get install -y nginx;
  RUN rm /etc/nginx/sites-enabled/default
  ADD ${baseDir}/nginx/nginx.conf /etc/nginx/nginx.conf
  ADD ${baseDir}/nginx/sharelatex.conf /etc/nginx/sites-enabled/sharelatex.conf
  
  RUN mkdir /etc/service/nginx
  ADD ${baseDir}/runit/nginx.sh /etc/service/nginx/run
  
  # Set up ShareLaTeX services to run automatically on boot
  RUN mkdir /etc/service/chat-sharelatex; \
  