adds sitemap updating task to deploy

config/deploy.rb

@@ -47,6 +47,7 @@ namespace :deploy do
 
   after :publishing, 'deploy:restart'
   after :published, 'delayed_job:restart'
+  after :published, 'refresh_sitemap'
 
   after :finishing, 'deploy:cleanup'
 end
@@ -56,3 +57,13 @@ task :install_bundler_gem do
     execute "rvm use #{fetch(:rvm1_ruby_version)}; gem install bundler"
   end
 end
+
+task :refresh_sitemap do
+  on roles(:app) do
+    within release_path do
+      with rails_env: fetch(:rails_env) do
+        execute :rake, 'sitemap:refresh:no_ping'
+      end
+    end
+  end
+end