Build Your Own Cloud Empire: Hosting Unlimited Rails Apps with Kamal 2

If you are a solo developer or an indie hacker, you probably suffer from “Shiny Object Syndrome.” You… [more inside]

Glimmer DSL for Web 0.9.1 Hello, Modal!

Glimmer DSL for Web (Matz Approved Fukuoka Award Winning Frontend Framework for Rails) had a new release in version 0.9.1 that includes a new sample called Hello, Modal! to teach how to create modals in Glimmer DSL for Web in the Frontend of Rails web applications.

CMDx 2.0: faster, leaner service objects for Ruby

CMDx 2.0 is a full runtime rewrite focused on speed, ergonomics, and observability for service-object-style business logic. [more inside]

10+ years helping Rails devs reach the App Store. Today, someone shipped without me.

After a decade of helping Rails developers ship to the App Store, the first customer app built with Ruby Native shipped today. The developer never opened Xcode. [more inside]

Ractor::Wrapper and the Ractor improvements in Ruby 4

Ractor::Wrapper makes non-Ractor-shareable service objects (such as db connections) accessible from multiple Ractors. discusses how the improvements in Ruby 4.0 made it usable.

Bundlebun bundles Bun, and a tour of Rails asset pipelines and JavaScript runtimes

Introducing Bundlebun: a gem that packs Bun—the fast all-in-one JavaScript runtime, package manager, and build tool that powers Claude Code—right into your Gemfile, and pins the exact version for everyone. No Docker, curl|sh, or Homebrew. [more inside]

telegem v3.4.0: async gem for creating telegram bot

telegem is a fast async first gem aiming to reduce stress and provide clean dsl for building telegram bits in ruby and today we are pleased to announce v3.4.0 [more inside]

Farewell to Rails-way: Prologue

RubyGems stats are not about popularity they’re about dependency gravity.

248B+ downloads later, it’s clear: infra gems dominate everything. Meanwhile, niche gems (like mine) live where real problems exist. That’s the real ecosystem. [more inside]

Images, Volumes, and Containers: Docker Explained in Plain English

Very often I see developers completely give up on learning Docker because of the vocabulary. You… [more inside]

DB GUI 0.4.0 Remember SQL Command History

DB GUI is a Database querying desktop app built in Ruby. It supports PostgreSQL to start. Version 0.4.0 added support for remembering SQL command history. I needed that feature at my job, so I added it very quickly, thanks to the awesomeness of Ruby!

Deploying Prebuilt Docker Images with Kamal

A small but useful realization from recent client work: Kamal isn’t only for applications you build yourself. [more inside]

Create and deploy a Rails app in under 5 minutes with Ace Template

Ace Template is a Rails 8+ application template that allows you to go from rails new to deployed in under 5 minutes. No ops experience needed — see screencasts for Kamal, Fly.io, and Heroku.

Ruby Native is here (plus discount code)

Ship your Rails app to the App Store without opening Xcode. $100 off through May 18. [more inside]

Relay: an environment for LLM hackers

Relay is a self-hostable LLM environment with support for OpenAI, Google, DeepSeek, Anthropic, xAI and zAI out of the box. It is distributed as a rubygem, and takes only two minutes to setup. It can be extended with tools from MCP servers, or your own ~/.relay/tools directory.

The Execution Boundary in Rails

What changes when Rails work leaves the request-response path and starts running later, elsewhere, or under a different failure model? [more inside]

Ten Years of Frontend

In this episode, we look at where we were years ago and the journey where we have landed today. Over the past 10 years, much has changed with our approach to client interactions and in the episode we explore my favorite and current approach. This episode marks a significant milestone in my journey, as I’ve consistently released one episode every week for the past decade!

How Rails Dispatches a Request to a Controller

A clear explanation of what happens after routing chooses an endpoint: controller resolution, params setup, callback execution, and response handling. [more inside]

Your Rails app can be perfectly secure…

Your Rails app can be perfectly secure… and still get rooted in seconds. [more inside]

Ruby Memes 2026-05-03: The Popularist

Ruby Memes 2026-05-03: The Popularist

Experiment: DSL for backend systems (APIs/models/workflows) → compiled services

I’ve been experimenting with a spec-first approach to backend development and was curious how something like this would fit into a Rails workflow. [more inside]

How to Build a Desktop App with Rails 8 and Electron

From Web to Desktop: Wrapping a Rails Hotwire App in Electron Very often I find myself… [more inside]

High ROI Testing: The 3 Secrets Every Solo Rails Dev Needs

Very often I see solo developers fall into one of two traps. Trap number one: They read a book on… [more inside]

llm_cost_tracker 0.7.2: Rails-native LLM cost tracking, now more production-ready

Released llm_cost_tracker v0.7.2 [more inside]

Rails-based SSG: Perron (1.0.0 released)

Perron is an OSS Rails-based static site generator I released 9 months ago and now hit 1.0.0. Read the announcement post https://railsdesigner.com/perron-1-0/, the docs https://perron.railsdesigner.com/docs/ and check out the repo https://github.com/Rails-Designer/perron ⭐