Minor fixes and doc upgraded.

Dockerfile

@@ -60,19 +60,19 @@ RUN apt-get -y install advancecomp jhead jpegoptim libjpeg-turbo-progs optipng &
     apt-get clean
 
 ADD install-imagemagick /tmp/install-imagemagick
-RUN /tmp/install-imagemagick
+RUN chmod +x /tmp/install-imagemagick && /tmp/install-imagemagick
 
 # Validate install
 RUN ruby -Eutf-8 -e "v = \`convert -version\`; %w{png tiff jpeg freetype}.each { |f| unless v.include?(f); STDERR.puts('no ' + f +  ' support in imagemagick'); exit(-1); end }"
 
 ADD install-pngcrush /tmp/install-pngcrush
-RUN /tmp/install-pngcrush
+RUN chmod +x /tmp/install-pngcrush && /tmp/install-pngcrush
 
 ADD install-gifsicle /tmp/install-gifsicle
-RUN /tmp/install-gifsicle
+RUN chmod +x /tmp/install-gifsicle && /tmp/install-gifsicle
 
 ADD install-pngquant /tmp/install-pngquant
-RUN /tmp/install-pngquant
+RUN chmod +x /tmp/install-pngquant && /tmp/install-pngquant
 
 ### Discourse specific bits
 #   - So we can overrride it with --build_arg

README.md

@@ -6,6 +6,10 @@ The real project comes from [https://www.discourse.org/](https://www.discourse.o
 
 ## How to create a new instance
 
-In order to create a new instance of discourse, please open a ticket at [PaaS Web App](https://cern.service-now.com/service-portal/report-ticket.do?name=request&se=PaaS-Web-App).
+In order to create a new instance of discourse, please open a ticket at [Discourse Service](https://cern.service-now.com/service-portal/report-ticket.do?name=request&se=discourse).
 
-We will guide you over the next steps to have your instance ready!
\ No newline at end of file
+We will guide you over the next steps to have your instance ready!
+
+## Template Administators documentation
+
+Can be found under [https://discourse-docs.web.cern.ch](https://discourse-docs.web.cern.ch).