Example of Background Process using Sidekiq in Rails

bg_proccess_flow.txt

# gem install sidekiq

# config/sidekiq.yml

---
:environment: production
:verbose: false
:pidfile: ./tmp/pids/sidekiq.pid
:concurrency:  4
:logfile: ./log/sidekiq.log
:queues:
  - default
  - ts_delta
  
#app/workers/notification_worker.rb

class NotificationWorker
  include Sidekiq::Worker
  sidekiq_options :retry => false # not try again if failed, should use max tries if false

  def perform(type, *args)
    send(type, *args)
  end

  private
  
  def send_review_notification(author, reviewer, pr_id)
    # do something here
  end
  ...
end

# app/controller/actions_controller.rb

  ...
  def set_reviewers
    NotificationWorker.perform_async(:send_review_notification, current_user.id, reviewers_id, pr_id)
  end