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Rails Articles

Brought to you by Honeybadger—we combine error, uptime, and cron monitoring in one simple and easy-to-use app for developers.

Account-based subdomains in Rails

Account-based subdomains are a powerful feature that can give your app extra security by isolating user data while giving your users the ability to customize their experience. In this article, you'll learn what account-based subdomains are, why they matter, and how to implement them in a Rails application.

How to deploy a Rails app to Render

Learn how to deploy your Ruby on Rails application to Render.com so that you can focus on code instead of infrastructure.

Visualizing Ahoy analytics in Rails

Honeybadger co-founder Joshua Wood explains how to graph Ahoy page views in Rails with Chartkick, with a preview of our upcoming observability tool—Insights!

Building reusable UI components in Rails with ViewComponent

Harness the power of modularity in Rails. Learn how to build reusable UI components to reduce code duplication and scale your design system.

Composite primary keys in Rails

There are scenarios where a combination of columns needs to be used as the primary key. This is where composite primary keys come into play. This article explores composite primary keys, how they work in Rails, when they should be used, and what to consider when using them.

Deploy a Rails app to a VPS with Kamal

Building your app is only half the battle. The other half is deploying it. Kamal makes it easy to deploy a Rails app without a PhD in infrastructure and operations.

How to build your own user authentication system in Rails

When building user authentication for Rails apps, gems like Devise, Doorkeeper, and OmniAuth provide a ready-made solution. However, they may not be flexible enough for all situations. In this article, we look at building a customized Rails user authentication system from scratch.

How to organize your code using Rails Concerns

Rails Concerns are helpful but can be confusing for new and experienced developers alike. This article explains what Rails Concerns are and how to use them to improve your workflow.

FactoryBot for Rails testing

Dive into FactoryBot to ensure your testing data is reliable and consistent.

How the Rails params hash works

Uncover the inner workings of Ruby on Rails with our dive into the Params hash—an essential component for handling HTTP requests. From query params to avoiding injection, this article will elevate your understanding of Rails, providing you with the tools to create more secure and efficient web applications.

How to use enum attributes in Ruby on Rails

Dive into the world of enums to discover how they can streamline your code and make it more readable. Learn best practices, how to add and manage enum attributes, and take advantage of Rails' built-in features to efficiently manage finite sets of values in your models.

Intro to Propshaft: A new asset pipeline for Rails

Explore the future of asset pipelines in Rails with Propshaft! Discover how this cutting-edge technology enhances the management and delivery of assets while simplifying your development workflow.

DIY error monitoring for Ruby

This article will teach you how to monitor Ruby errors without using a service like Honeybadger! Learn about Ruby's built-in errors, how to use log levels and tagging to customize the log output, display errors on the front-end, and more.

How to use Flipper for feature flags in Rails

Feature flags are used all across the tech industry to test code at scale; this article explores how to integrate them into your Ruby on Rails application using the Flipper gem.

Cross-cluster Associations in Rails 7

In this article, Julie Kent discusses using associations in Rails when the underlying data model spans multiple databases. We didn't even know Rails could do this!

Business intelligence on Rails with Blazer

Business intelligence transforms raw data into actionable insights that support business decisions through reports, dashboards, and charts. You can use the blazer gem in Ruby on Rails to gather and display business metrics!

Be careful with time durations in Rails

Rails' date and time helpers are great. They save us from duplicating simple add-duration-to-time logic across our applications and make the code more readable. However, complex date manipulations are dangerous places full of edge-cases. This article discusses some of them. 😅

How to Build Your Own Rails Generator

Generators are a powerful feature you can use to automate routine tasks in Rails—but do you know how to make your own? This article explores Rails generators in depth, including how to build a generator from scratch.

A Deep Dive into Active Record Validations

Accepting user input is critical to modern Rails applications, but without validations, it can cause problems. In this article, learn how to use ActiveModel validations to ensure the data you process is safe.

Deploying Rails with Docker and AWS Fargate

Want to deploy a Rails app with Docker and AWS, but not sure where to start? AWS Fargate simplifies the convoluted process of deploying Docker on Amazon's Elastic Container Service (ECS). It's also a good alternative to Heroku.
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