There are a lot of options for queues in ruby.
Sidekiq -> https://github.com/mperham/sidekiq
Resque, you got the link
DelayedJob -> http://blog.leetsoft.com/delayed_job/
All of them are pretty much the same. So you just need to use the one you are more confortable working with the examples.
In my projects i ended up using Sidekiq
, the reviews about it are pretty awesome.