The Decree pattern helps developers write single-purpose service objects that have a predictable API contract, are composable, are easily tested, and isolate the core logic of your app.

When mixing input/output (such as reading files or network/database requests) and CPU work in different threads, Ruby gives a lot more execution time to the ...

Përshëndetje! Emmanuel here with the usual stuff. filtered_path in ActionController::Instrumentation event payloads over fullpath For security reasons, some data need to be filtered before it reaches bad actors. Rails now filters parameters in paths that…

In the new episode of our modular design series, we answer the question "what is coupling?" as well as compare various types of it. Read & learn!

Hi, this is Greg, bringing you this week’s changes in the Rails codebase. Support preloading associations with composite keys This pull request adds support for Associations::Preloader to be able to preload associations associated by a composite foreign key…

I'm thrilled to announce the new and shiny addition to the Karafka ecosystem: Karafka Web. For those who wonder what Karafka is, Karafka is a Ruby and Rails multi-threaded efficient Kafka processing framework. Karafka has always been a convenient framework…

Monkey patching is considered one of the more powerful features of the Ruby programming language. However, by the end of this post I’m hoping to convince you that they should be used sparingly, if at all, because they are brittle, dangerous, and often unnecessary.…

(Tim Riley) "Years in the making, Hanami 2.0 is out! This release brings new levels of polish and power to a framework you can use for Ruby apps of all shapes and sizes.

Come along to discover what goes into building a new Hanami app, the principles that…

Ruby's `private` keyword means something different compared to basically all other object-oriented languages. Most other languages don't even have a feature matching what Ruby calls `private`, but incredibly, Scala does, which it calls `protected[this]` (meaning

How to detect a possible memory bloat in Rails before it starts being a problem

Hi, it’s Wojtek. Let’s dig into this week’s changes and announcements. Amanda Perino as new executive director for The Rails Foundation Please welcome Amanda to the job of leading the mission to improve the documentation, education, marketing, and events…

The Ruby LSP is a new language server built at Shopify that makes coding in Ruby even better by providing extra Ruby features for any editor that has a client layer for the LSP. In this article, we’ll cover how we built the Ruby LSP, the features included…

Rails 7 now introduces a default health check endpoint for health checks.

It's easy to get going with logging with Rails, but not so easy to master it. Discover how you can get the most from your logs.

(Samuel Williams) The fiber scheduler presents new opportunities for building scalable and concurrent Ruby programs. However, Rails has traditionally been a request-per-process or request-per-thread framework. We will give a brief introduction to the fiber…