How I Hunted Down 23 N+1 Queries in a Rails App With Claude Code
TL;DR Our Rails app's p95 response time had crept from 280 ms to 1.4 s over a year, and nobody could say why. I paired with Claude Code for four day…
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Sidekiq to Kafka: A Mental-Model Map for Rails Developers
TL;DR: If you've spent years with Sidekiq, Kafka can look like "Sidekiq with extra steps". It isn't. Sidekiq moves jobs (commands to do something).…
Why change-impact analysis is surprisingly hard in Ruby on Rails
Refactoring a mature Rails app often starts with a simple question: If I change this method, what else could break? In a smaller codebase, grep migh…
Your Webhook Endpoint is a Tiny Distributed System
If you want the Rails implementation version of this, Webhooks in Rails goes deeper on verification, durable receipt, idempotency, retries, jobs, te…
Re-Organized configuration in Rails
A while back I wrote about organizing configuration in Rails . The idea was simple: drop YAML files into config/configurations/ and get namespaced c…
ExtensionDash: tracking a browser extension from your agent
After shipping two browser extensions this year — Reverse Image Search Anywhere and Stackpeek — I still could not answer the simplest question about…
Fixing Delicate Cache Mismatches in a Brownfield SPA: A Pragmatic Solution
Building in public often means talking about shiny new features, but in mature production applications, the most critical engineering work is usuall…
I Tested Rails Baseline by Leaving Architecture Out of the Prompt
Note: Rails Baseline is the production-ready Rails foundation I tested here. It gives a new SaaS application and the coding agents working in it cle…
Rails Routing & APIs: What Actually Happens Between the URL and Your Controller
When I started studying APIs more seriously, I realized there was a problem with the way I was learning. I knew how to create a Rails API. I knew ho…
Performance Gains After a Rails Upgrade from 7 to 8
Between deprecation warnings, gem compatibility checks, and the inevitable late-night debugging session, the process can feel like a lot of effort f…
Built a Blog App with Rails & PostgreSQL – Looking for Code Review!
Hey DEV community! 👋 I've been working on a Blog Application built with Ruby on Rails to practice backend architecture, clean code standards, and Ra…
Why I Stopped Waiting on Ruby LSP and Built My Own Fuzzy Symbol Search for VS Code
If you've worked in a mid-to-large Rails codebase in VS Code, you've probably run into this: you want to jump to a method, you hit Ctrl/Cmd+T, you t…
Real-Time Rails Without Turbo: Modern Reactive UIs with Inertia and DexieCable
Hotwire and Turbo Streams have become the default answer for real-time applications in the Rails ecosystem. They are great for HTML-over-the-wire se…
Ruby Reactor vs dry-transaction vs Trailblazer: Choosing a Ruby Workflow Library in 2026
Four ways to orchestrate business logic in Ruby. One map to find yours. You're building something that involves multiple steps. Charge a card, send…
24 Days of Coding: An 86-Hour Roadmap from Truck Driver to Web Engineer
1. Introduction Hello from Japan! 🇯🇵 I am an active truck driver in Japan self-studying Python and Web technologies, leveraging my logistics domain…
Solid Queue has no alerting, so I built QueuePulse
Rails 8 made Solid Queue the default Active Job backend, and it's excellent: database-backed, no Redis, and Mission Control Jobs gives you a dashboa…
Your next model upgrade won't close this gap
There's a comfortable thing people say when they see an AI agent query a code map. "Nice crutch. For now." The logic underneath it is reasonable. Co…
Design Patterns in Ruby #2: Observer Pattern
Applications often need to react when something changes. When a user signs up, you might want to: Send a welcome email Create a user profile Log the…
Choosing the Right Backend Framework: Django vs. Gin vs. Ruby on Rails.
Every application we use today—from banking apps to social media platforms—has something working behind the scenes. That hidden engine is called the…
GitHub Copilot Is Rewriting How You Think About Database Design — And Not in a Good Way
You're staring at a Rails schema with 47 tables. The foreign key relationships are a bowl of spaghetti — timestamps everywhere, no documentation, an…
The Fastest Query Is the One You Never Run: The Four Layers of Rails Caching
Rails Performance: Lessons from Production — #4 The first three posts were about making queries cheaper — fewer N+1s, indexes, not dragging data bac…
Moving to baweaver.com
I've started moving all of my content over to baweaver.com powered by Bridgetown under github.com/baweaver/portfolio. Why? I wanted more control of…
Pro File Uploads in Rails 8: Speed and Scalability with Direct Uploads
Imagine a user trying to upload a 100MB video or a high-resolution photo to your app. If you use the standard Rails file upload, that file travels f…
What it actually costs to run a one-Rails-app SaaS per month
Founders coding with AI tend to land in the same place. The first version is a $200/month no-code stack: a page builder, a chatbot, an auth gate, a…
The webhook inbox pattern: stop writing this controller by hand
Every Rails app that takes Stripe webhooks has some version of this controller: def create payload = request . body . read sig_header = request . en…
The Silent Performance Killer in Rails: Understanding and Fixing N+1 Queries
If you've ever investigated a slow Rails endpoint, chances are you've encountered one of the most common performance problems in the Rails ecosystem…
Giving an AI Agent Write Access to Your App: Guardrails We Built for RobinReach's MCP Tools
A few months ago I wrote about building a production MCP server in Rails , the plumbing of exposing RobinReach's API as a set of MCP tools that Clau…
Rails Performance Optimization: Fixing N+1 Queries with includes, preload, and eager_load
Originally published on Hashnode: https://railswithyashika.hashnode.dev/rails-performance-n-plus-one-queries When working with associations in Rails…
I’m Blown Away by Kamal
My Previous Deployment Choices Since I mostly do web development using Ruby on Rails, these were my go-to options for deployment: PaaS like Heroku,…
🇺🇸 3 Essential Gems to Eliminate Friction in Your Rails Workflow
Anyone who works with Ruby on Rails knows that, despite the framework being incredible for productivity, there are some classic workflow deficiencie…