Another year, another major Rails release. Rails 6.1 looks to be a solid one. Though, despite all the new features and fixes a new Rails version brings, there is always one looming problem for developers - the upgrade.

Sidekiq will happily chug along and process any and all jobs that are in the queue. But, what if you want it to take a break for a bit?

If you're running your Ruby apps on your own server, you obviously need Ruby installed. The problem is the version of Ruby provided by the OS is commonly not what you want.

I decided want to migrate a Rails 4.2 side project from unicorn to puma. The app has relatively high traffic throughout the day, so I want to avoid any visible downtime.