Some tips and recipes on getting jQuery-based applications to convert to, or at least coexist, with Webpacker in Rails 6.0.
A few tricks with
Introducing a universal clone-stamp for ActiveRecord models.
If you rely on UJS’s interfaces when upgrading to Rails 5.1, beware that the furniture has moved.
Rails background jobs don’t know the absolute URL unless you configure it explicitly.
I’m rather fond of the Stethoscope gem for application instance monitoring. Here’s how to configure it correctly in AWS with a TLS-only application load balancer.
Now merged into Rails, but here’s my original write-up of using hstore columns with PostgreSQL.