6+ hour, 56+ min ago  (344+ words) This is a terrible way to do it. While that 100 MB file is transferring, your Rails worker (Puma) is frozen. It can't handle other users. If three people upload large files at once, your whole app will stop responding. In…...

1+ day, 13+ hour ago  (362+ words) When investigating a slow Rails endpoint, it's common to start by looking for N+1 queries, missing indexes, or expensive joins. Sometimes, though, the real culprit is much smaller. It might be hiding in a method call you've written hundreds of…...

3+ day, 44+ min ago  (376+ words) You've built a checkout reactor that reserves inventory, charges a card, generates a shipping label, and sends a confirmation email. It runs through Sidekiq. When something fails, compensation logic rolls it back. It works. Then your team asks: "How many…...

3+ day, 12+ hour ago  (1681+ words) Every Rails project has at least one of these. A model with an old column that's probably not used anymore. "Probably" is the scary part. If something in production is still referencing it, deleting the column breaks the app. No…...

4+ day, 19+ hour ago  (1766+ words) Ruby on Rails is a strong way to build web apps, APIs, Saa S products, and internal tools. It's a convention-based framework built on the Model-View-Controller (MVC) pattern, which separates your data, your pages, and the logic connecting them, and makes…...

4+ day, 18+ hour ago  (1766+ words) Ruby on Rails is a strong way to build web apps, APIs, Saa S products, and internal tools. It's a convention-based framework built on the Model-View-Controller (MVC) pattern, which separates your data, your pages, and the logic connecting them, and makes…...

5+ day, 16+ hour ago  (891+ words) 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 completely made up. Claude has no access to your production database. So it does…...

1+ week, 1+ day ago  (393+ words) Most applications start with a simple question: Is the process alive? Rails answers that with the built-in /up endpoint. But production systems need to answer a much more important question: Is the application actually healthy? Databases, Redis, queue systems, SMTP…...

1+ week, 2+ day ago  (531+ words) This post walks through the three realistic ways to do it in Rails, then builds out the one that keeps your view layer and your servers clean: rendering an ERB template to a PNG over HTTP, with caching and a…...

1+ week, 3+ day ago  (258+ words) Ruby Conf holds a special place in my heart. It was the very first tech conference I attended after receiving a scholarship fresh out of Flatiron School back in 2017 (you can read about my experience here), and then in 2021, it…...