The Sidekiq service config. Goes into /etc/init/sidekiq.conf
# /etc/init/sidekiq.conf - Sidekiq config
# This example config should work with Ubuntu 12.04+. It
# allows you to manage multiple Sidekiq instances with
# Upstart, Ubuntu's native service management tool.
#
# See workers.conf for how to manage all Sidekiq instances at once.