Update the Dockerfile following the Awestruct upgrade

Rakefile

@@ -61,7 +61,8 @@ desc 'Build and preview the site locally in development mode. preview[<options>]
 task :preview, [:profile, :options] => :init do |task, args|
   profile = get_profile args
   options = args[:options]
-  run_awestruct "-P #{profile} --server --auto --no-livereload #{options}"
+  # Must bind to 0.0.0.0 instead of the default "localhost" in order to allow port forwarding in Docker container
+  run_awestruct "-P #{profile} --server --bind 0.0.0.0 --auto --no-livereload #{options}"
 end
 
 desc 'Generate the site using the specified profile, default is \'development\'. Additional options can also be specified, eg \'gen[development, \'-w\']'

docker/Dockerfile

@@ -1,7 +1,8 @@
-FROM       fedora:22
+FROM       fedora:27
 
 # install the required dependencies to complile natice extensions
-RUN        dnf -y install gcc-c++ make ruby-devel libxml2-devel libxslt-devel findutils git ruby
+RUN        dnf makecache
+RUN        dnf -y install gcc-c++ make ruby-devel libxml2-devel libxslt-devel findutils git ruby tar redhat-rpm-config
 
 RUN        groupadd -r dev && useradd  -g dev -u 1000 dev
 RUN        mkdir -p /home/dev
@@ -23,13 +24,9 @@ RUN        mkdir $HOME/.gems
 RUN        gem install -N rake bundler
 
 # Clone hibernate.org in order to run the setup task
-RUN        git clone https://github.com/hibernate/in.relation.to.git $HOME/hibernate.org
+RUN        git clone https://github.com/hibernate/hibernate.org.git $HOME/hibernate.org
 RUN        cd $HOME/hibernate.org && git checkout production && rake setup
 
-# We need to patch awestruct to make auto generation work. On mounted volumes file
-# change montoring will only work with polling
-RUN        gem contents awestruct | grep auto.rb | xargs sed -i "s/^\(.*force_polling =\).*/\1 true/"
-
 EXPOSE     4242
 VOLUME     $HOME/hibernate.org
 WORKDIR    $HOME/hibernate.org