The Ruby and Rails community linklog
Made a library? Written a blog post? Found a useful tutorial? Share it with the Ruby community here or just enjoy what everyone else has found!
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Today
Making Maps with Ruby
https://rubystacknews.com/2026/01/29/making-maps-with-ruby/ [more inside]
New release of ActionDbSchema: DB storage adapter
In the new release of ActionDbSchema (v0.9.0) a DB adapter to persist all run migrations, keeping a full migration history. This change makes the gem useful across all environments, including those that don’t allow filesystem writes (Docker, Heroku, etc.). [more inside]
The single most important thing that made me believe AI coding could work
This is how I managed to get Claude to follow Rails conventions using pre-edit hooks, which reduced my frustration. This gave me the strength to keep going and continue tweaking my AI agent setup. [more inside]
The Ruby AI Newsletter
The latest edition of Ruby AI News is here! This edition features tons of content, articles, and open source releases. The top stories feature a look at the big year ahead for RubyLLM, with library updates, a maturing ecosystem, and an upcoming workshop on the Introduction to Generative AI Programming with RubyLLM. Check it out and subscribe now: [more inside]
How to build a Copilot agent that fixes Rails errors
Production debugging with AI agents has really improved my workflow lately. Here’s how to automate fixing Rails bugs on GitHub.com. [more inside]
If Rails Was Designed Today: The Operational Monolith
The article explores what changes when you treat concurrency, background execution, and observability as framework responsibilities rather than integration problems. [more inside]
The Ruby Users Forum Is Now Live
We’re excited to announce that the Ruby Users Forum is officially live. [more inside]
How I Actually Use AI to Write Ruby on Rails Code
Context is everything when coding with AI. [more inside]
Top 27 Ruby Developers and ROR Experts
This curated list brings together top experts from both the Ruby and RoR communities, showcasing their significant contributions to the programming world: https://echoglobal.tech/technologies/ruby/
Leaving Heroku: Which Provider Should You Choose?
Running a Rails app on Heroku but are looking to migrate elsewhere due to pricing? I tested some of the top cloud providers on performance and cost to help guide your choice: https://dev-tester.com/leaving-heroku-which-provider-should-you-choose/
How to upgrade a ruby on rails application
Exploring and observing the various elements that require at least a few seconds of attention and no less important in which order they should be upgraded for a Ruby on Rails application: [more inside]
RubyLLM::Instrumentation: The foundation for RubyLLM monitoring
While working on RubyLLM::Monitoring, we needed a way to instrument all RubyLLM operations. But we wanted to do it without changing RubyLLM. Read along to know how we did it. https://sinaptia.dev/posts/ruby-llm-instrumentation-the-foundation-for-rubyllm-monitoring https://github.com/sinaptia/ruby_llm-instrumentation
