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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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
ruby_llm-agents: Production-ready Rails engine for building AI agents
I’ve released ruby_llm-agents, a Rails engine for running LLM-powered AI agents in production. [more inside]
debugger_replay - Hot-reload and replay requests during debugging.
Edit code, type r, see changes instantly. [more inside]
An RSpec-like test DSL in Ruby, from scratch
A walkthrough of building a tiny RSpec-style DSL (describe, it, expect, plus eq/contain matchers). Uses instance_eval to run blocks in the DSL context and lambdas as matchers: https://razorjack.net/implementing-dsl-in-ruby-rspec/