How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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Expert advice on keeping Rails apps organized and fast.
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A weekly podcast on web development and building products with Ruby, Rails, Javascript, and more.
A few of the Open Source projects we do at GoRails.
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ActiveRecord default_scopes are incredibly useful for some features like soft delete. But sometimes we need to undo a scope, so that's where unscope comes in.
Rails lets you intercept and observe emails sent out by your application. This is incredibly useful for staging / preview environments and audit log trails
Ever wondered how Puma, Unicorn, or other Ruby HTTP servers work? We'll build one from scratch with pure Ruby so you can see exactly how it works.
Last episode, we built a multi-threaded HTTP server from scratch using Ruby. This week, we'll enhance our web server by adding Rack and Rails support.
Want users to be able to define different roles for users on their account? You can easily accomplish this with a Role model and Pundit
In this episode, we'll walk through how I discovered an improvement for Rails' new Request.js library and how we approached and implemented the feature in a pull request.
When you receive a JSON response from an API endpoint, it's really easy to convert this to a Ruby hash. But hashes don't feel very Ruby-ish when you're working with them and you can't add methods and treat them like objects.
The core of an API wrapper Rubygem is defining the Resource endpoints so developers can make requests cleanly. We'll also learn how to handle pagination for endpoints that return a list of results.
The core of any API wrapper is the actions for create, read, update, and delete. We'll implement the CRUD for a resource so you can see how to do it and wire up everything together that we've built so far.
How do we test API requests in a Rubygem to make sure that we're integrating correctly with our backend? We'll learn how to use stubs to fake out the request and test our code without any network requests.
Custom ActiveRecord validations are easy to make and they're implemented exactly the same way as the built-in Rails validations. It's super handy to be able to add nice, clean validations that you can repeat throughout your apps.
Rails 7's built-in encryption is fantastic. This episode, we'll learn how to migrate our older attr_encrypted attributes to the new Rails 7 encryption.
Complex queries can slow your page rendering down. We can now run long queries in parallel with Rails 7's load_async method in ActiveRecord to speed up page rendering.
Ever wanted to build Datatables into your Rails app? You can using Hotwire using Turbo Frames without any custom Javascript.
I found a bug in the Kredis gem the other day and wanted to walk you through my thought process on debugging and using TDD to fix the bug for the future.
C extensions are a powerful tool to connect Ruby code with C libraries that can perform much faster than a pure Ruby counterpart.
Learn how to configure live reloading with Esbuild in Rails using an EventSource and jsbundling-rails
Learn how to use Stimulus Target Callbacks to trigger realtime Chart updates
Learn how to use system tests for file uploads with file input fields and drag & drop with Uppy and Dropzone
Ever gotten an InvalidAuthentictyToken error in Rails and wondered how CSRF works? In this lesson, we'll learn how it works behind the scenes so you can understand exactly what's going on.
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