capistrano-delayed-job

https://github.com/capistrano-plugins/capistrano-delayed-job

Capistrano tasks for automatic and sensible DelayedJob configuration. Enables zero downtime deployments of Rails applications. Configs can be copied to the application using generators and easily customized. Works *only* with Capistrano 3+. Inspired by https://github.com/bruno-/capistrano-unicorn-nginx and http://bl.ocks.org/dv/10370719