Ruby articles

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GraphQL APIs in Rails

GraphQL is a flexible, strongly-typed query language. It's useful because it gives front-end developers the ability to query the database without many changes to the back-end. In this article, David Sanchez shows us how to design and build our own GraphQL APIs in Rails.

Migrating From Turbolinks To Turbo

Turbolinks is no longer being developed. It's been superceeded by Turbo, which is part of Hotwire. In this article, Julio Sampaio shows us how to port our existing Turbolinks apps to Turbo.

Security Risks On Rails: Misconfiguration and Unsafe Integrations

In the third and final article of our series on the OWASP Top 10 Web Application Security Risks, we’ll explore the lesser-known risks associated with the development of web applications on Rails when it comes to threats involving security misconfiguration, JSON escaping, etc.

Running Rails on a Kubernetes Cluster: Part 2

Kubernetes is a popular way to deploy web services and applications using containers. In this, the second of a two-part series, Geshan finishes his step-by-step tutorial for getting up and running with Rails and k8s.

Writing AWS Lambda Functions in Ruby

AWS Lambda lets you run your code without worrying about the nuts and bolts of server management or scaling. You might even say it's "serverless." In this article, Jeffrey Morhous shows us how to get started writing Lambda functions in Ruby.

Railway Oriented Programming In Rails Using Dry-Monads

It's not every day that you learn a new approach to error handling for Ruby. In this article, Abiodun walks us through a novel error-handling process called Railway Oriented Programming and shows us how to implement it with dry-rb's monads.

Run Your Rails App On Kubernetes: A Step-by-Step Tutorial

Kubernetes has become very popular in recent years as a way to deploy applications using containers. In this article, Geshan shows us how to get a Rails app up and running inside a local K8s cluster.

Building, Testing, and Deploying Google Cloud Functions With Ruby

Google's Cloud Functions let developers run their code in production in a scalable way without worrying about the minutiae of server administration. In this article, Subomi shows walks us through building a real-world service using GCF.

Using DynamoDB in Your Rails App

DynamoDB is a NoSQL database offered by AWS. It can be a great way to avoid adding load to your primary database when you need tens of thousands of reads/writes per second. In this article, Julie Kent walks us through the basics of using DynamoDB with Rails.

ActiveSupport's #descendants Method: A Deep Dive

The #descendants method is part of Rails. It returns all subclasses that inherit from a given class. In this article, Jonathan Miles shows us how to use this method and how it's implemented. It's a great lesson in the ins and outs of Ruby's object model.

Multi-Factor Authentication for Rails With WebAuthn and Devise

If someone steals your password, they can pretend to be you. That's why many companies provide two-factor or multi-factor authentication via a fingerprint scan, a YubiKey, an authenticator app, or SMS. In this article, Petr Hlavicka will give you a solid foundation of knowledge about multi-factor authentication and will walk you through implementation with Rails, Webauthn, and Devise
  • A photo of Petr Hlavicka By Petr Hlavicka
  • Sep 27, 2021

Building a Real-Time Chat App in Rails Using ActionCable and Turbo

Turbo and ActionCable make it a snap to create Rails applications that respond to user behavior in real-time. In this article, Abiodun shows us how to use them together to create a full-featured chat application in Rails.

Build an Uptime Monitoring System in Ruby with GCE, Cloud Storage, and PubSub

Google Cloud Platform provides developers with many tools to build scalable apps in a way friendlier than AWS. In this article, Olasubomi Oluwalana shows us how we can use the Google Cloud Engine, Storage, and PubSub offerings to build an uptime monitoring system in Ruby.

Using Hotwire with Rails

Hotwire is a way to build modern web applications without much JavaScript by sending HTML over the wire. In this article, Renata Marques introduces us to Hotwire and walks us through a simple example.

Using Tailwind CSS with Rails

Tailwind CSS is a popular CSS framework that helps developers quickly build and style web pages with a unique utility-based approach. Unlike other CSS frameworks, it comes with its own build tooling. In this article, Jeffery Morhous walks us through setting up Tailwind CSS with Rails and Webpacker.

Building A Full-Stack Application With Vue, Vuex and Rails

Vue is a popular front-end that is especially useful for Rails developers since it was designed to be incrementally adoptable. That means you can use Vue for parts of your UI without having to rebuild everything from scratch. In this article, John Emmanual will introduce us to Vue, show us how to set it up in Rails, and walk us through a simple project.
  • A photo of John Emmanuel By John Emmanuel
  • Aug 16, 2021

Building a Programming Language in Ruby: The Interpreter, Part 2

This article is the next in our series about building a toy programming language in Ruby. Alex Braha Stoll shows us how to implement the interpreter for function definitions, variable declarations, and more.

Using ActiveRecord's #update_counters to Prevent Race Conditions

Race conditions are arguably the most insidious kind of bug; they're intermittent, subtle, and most likely to occur in production. ActiveRecord's update_counter provides us with a convenient way to avoid race conditions when incrementing or decrementing values in the database. In this article, Jonathan Miles shows us how to use it, how it's implemented, and other approaches to avoiding race conditions.

Deploying Rails to AWS Lambda

Lambda is an excellent option for deploying lower-traffic web services when you don't want to maintain another server and you want easy access to all of AWS's other services. In this article, Godwin Ekuma shows us step-by-step how to deploy our Rails apps to AWS Lambda.

Building a Documentation Workflow in Rails

Good docs make happy customers. But documentation is HARD. You have to figure out what's important and write it up in a way that's tailored to your audiences and consistent across the site. Now you need to set up a website, publish the docs and maintain them as your product changes. Fortunately, we have seasoned technical writer Kate Bartolo here to walk us through the whole process.
  • A photo of Kate Bartolo By Kate Bartolo
  • Jul 19, 2021
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