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. Codi…
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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 a…
Kiro for Ruby: Generating Rails Controllers and Models
You want to add a new resource to your Rails app. You know the drill — rails generate , tweak the migration, add validations, write the controller act…
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 b…
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, and …
HTTP/3 on Kamal, and a PR to Basecamp
A few days ago I read a good writeup on how much HTTP/3 can shave off page loads — QUIC drops a round trip on connection setup and survives network ch…
Your SQL Is Fast but the API Is Slow: It's the Ruby Layer
Rails Performance: Lessons from Production — #6 By now the DB queries, caching, and background work are handled. But sometimes the SQL is genuinely fa…
How to add a NOT NULL column to a large table safely in Rails
A migration that runs in two milliseconds on your laptop can lock a production table for thirty seconds and pile up every request behind it. The gap i…
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 back …
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 my…
You Wanted a Number, but Loaded 500,000 Rows Into Memory
Rails Performance: Lessons from Production — #3 The first two posts were about making queries cheaper — fewer N+1s, indexes, not dragging data back in…
includes vs joins vs preload vs eager_load in Rails
These four all deal with associations, and they're easy to mix up. The way I keep them straight is to ask two questions about each: what SQL does it r…
Pagination: Always a "sort" (of) mistake [bugfix]
Pagination is a key component on web-applications that let users navigate through pages making easy to read/find records. Also, pagination is a great …
Diagnosing a slow Rails page, layer by layer
"This page feels slow" is a vague bug report. Before changing any code, it helps to have a fixed way to locate where the time goes. A Rails request pa…
Blocks, Procs, and the "&" Bridge
&blk in a parameter list turns a block into a Proc; &proc at a call turns a Proc back into a block. 1. A block is syntax, not an object A bloc…
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 fro…
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 wo…
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 . env …
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 Claude…
How to give Claude (or Cursor) access to your Rails app's activity logs
Ask Claude this, today, with no setup: "What did user 4421 do in our app yesterday?" You will get an answer. It will be confident, specific, and compl…
Build a Secure API with Rails 8 - Part-4: SSL, CSRF & Serialization
Hey folks 👋 Welcome back. In Part 3 we built all five auth endpoints, added Rack-Attack rate limiting, hardened the HTTP headers with secure_headers ,…
Dynamic OG Images in Rails
Every blog post, product page, and profile in a Rails app deserves its own Open Graph image, the picture that shows up when someone shares the link on…
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, …
Rails GuardDog: Advanced Security Scanner for Rails Applications
Rails GuardDog: Advanced Security Scanner for Rails Introduction Today I'm excited to announce Rails GuardDog v0.1.0 — an open-source security scanner…
RubyConf has joined RailsConf & RailsWorld as another exclusive discriminatory unexcellent conference
(Originally published as this blog post: https://andymaleh.blogspot.com/2026/06/rubyconf-has-joined-railsconfrailsworld.html ) RubyConf has joined Rai…
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, Re…
🇺🇸 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 deficiencies …
Rate limiting Rails Apps without a reverse proxy 🛡️
When you cannot put Varnish in front of your application, the edge is no longer yours. You have to handle rate limiting from inside the app itself to …
How to Pause and Resume Ruby Workflows Mid-Flight
Ruby Reactor 0.4.0 introduces interrupts — the first native saga pause/resume mechanism in the Ruby ecosystem. You've built a checkout flow. The user …