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Deploy Your Ruby on Rails App Using Capistrano

In this article, we will configure Capistrano in a Ruby on Rails application. We will then deploy the app to a cloud instance that runs Ubuntu as an operating system, independent of your hosting provider. You can use any cloud service, or even an on-premises server, to test or replicate the steps we'll take. Once we've deployed the app, we'll look briefly at how you can monitor your app's deployments using AppSignal. But first, you might ask: why should I use Capistrano in the first place?

Get Started with Hotwire in Your Ruby on Rails App

Hotwire is a hot topic at the moment for every Rails developer. If you work with Rails, there is a good chance you have already heard a lot about it. Hotwire is a completely new way of adding interactivity to your app with very few lines of code, and it works blazing fast by transmitting HTML over the wire. That means you can keep your hands clean from most Single Page Applications (SPA) frameworks.

LiveView Assigns: Three Common Pitfalls and Their Solutions

In the first part of this two-part series, we examined LiveView assigns in detail — demystifying assigns, looking at some key concepts, and debugging. Now, we'll turn our attention to three common mistakes that you might make with assigns and how to avoid them. Let's get started!

Add Feature Flags in Ruby on Rails with Flipper

Picture this scenario: you are a Rails developer and have spent the last couple of days developing that awesome feature that everyone is waiting for. It's big and complex, but it went through rigorous testing, so you are confident everything works as it should. There are deadlines to meet, so you deploy. Immediately, all hell breaks loose. Your feature straight up breaks the entire app for some of your users. It's hard to say why. No bugs showed up during testing.

An Introduction to Polymorphism in Ruby on Rails

If you have ever spent time building an Object-Oriented Program (OOP), you have likely used polymorphism in your application or, at the very least, heard the term. It’s the kind of word you’d expect to see in a science or computer science textbook. You may have spent time researching polymorphism and even implemented it in your application without clearly understanding the concept. This article will give you a greater understanding of polymorphism, specifically in Ruby on Rails.

Using Scientist to Refactor Critical Ruby on Rails Code

Ask any software engineer to review key portions of production code, and inevitably, they will point out three things that need to be refactored. So why does so much bad, brittle, or misunderstood code remain running in production? The answer is simple: engineers are afraid to touch it. Refactoring tasks get identified and added to the backlog, but rarely make it into the current sprint. There are numerous reasons for this.