Ever wondered how to generate contrasting colors in your Rails app? It's easy using the YIQ calculation and we can test it easily with helper tests.

GoRails Screencasts

Contrasting Colors with YIQ and Helper Tests in Rails

Installing Bootstrap is easier than ever thanks to CSS Bundling in Rails now. It also wires up the Javascript so you don't have to do much of anything.

How to use Bootstrap with CSS bundling in Rails

JSBundling provides a flexible way of using different Javascript bundlers like ESBuild. It strikes a great balance between the asset pipeline and webpacker. Plus, Esbuild can bundle your Javascript lightning fast.

How to use ESBuild in Rails with JSBundling

The first step in building an API wrapper Rubygem is building your HTTP client. We're going to use Faraday as our HTTP client and get it setup with authentication.

API HTTP Requests using Faraday

Need to dynamically update fields when a user changes a select box? We can do that easily in Rails using Hotwire's Turbo Stream actions.

Dynamic Select Fields in Rails with Hotwire

Learn how to deploy your Ruby on Rails app to a Staging Environment

How to deploy Rails to a Staging Environment

Web Components are a great way to encapsulate Javascript logic around an element in your HTML. We'll explore how to create Custom Elements and see how Hotwire uses them for Turbo Stream actions.

How to create Custom Elements with Web Components

Learn how to use Rails' brand new Request.js library for making AJAX requests in your Javascript

How to use Rails Request.js

In part 1, we're going to setup our Rails application, our models, and connect Hotwire so we can dig into building ActionMailbox next.

Setting up Customer Support models with Hotwire

Learn how to accept payments in your Rails app with Stripe Checkout using the Pay gem

How to use Stripe Checkout in Rails

Docker allows you to build a self-contained image with your application code and all it's dependencies. This makes running your code on any machine in development or production much more portable but also pushes off a devops work to the developer.

Docker Basics for Rails

Want to login your user across all subdomains in your Rails app? Here's how.

Sharing Cookies with Subdomains in Rails

Hotwire lets us broadcast changes so we can use the same approach for nested comments, but in realtime!

Realtime Nested Comments: Part 2

Realtime Nested Comments: Part 1

Upgrading from Turbolinks to Hotwire is actually pretty simple now that Turbo handles error responses

How to upgrade from Turbolinks to Hotwire & Turbo

GoRails is a series of screencasts and guides for all aspects of Ruby on Rails. Learn how to setup your machine, build a Rails application, and deploy it to a server.