When your Rails app is secure… but your kernel isn’t

When your Rails app is secure… but your kernel isn’t May 3, 2026 A new Linux kernel vulnerability CVE-2026-31431, better known as Copy Fail is a reminder of something backend engineers tend to underweight: your application security model is only as strong as the system it runs on. This isn’t a remote exploit. It’s a … Continue reading When your Rails app is secure… but your kernel isn’t

Opal: Running Ruby in the JavaScript Runtime (Without Losing Your Mind)

Opal: Running Ruby in the JavaScript Runtime (Without Losing Your Mind) April 29, 2026 Ruby has always been a server-first language. But what if you could take Ruby beyond MRI and run it directly in the browser, or even on the edge? That’s exactly what Opal enables. Opal is not just a transpiler. It’s a … Continue reading Opal: Running Ruby in the JavaScript Runtime (Without Losing Your Mind)

[Ruby] My personal opinion: It’s best not to overuse the block parameter it.

My personal opinion: It's best not to overuse the block parameter it. April 28, 2026 In this article, Junichi Ito (https://qiita.com/jnchito/items/3fb1d28f7d75f2edc1b8) clearly articulates an idea I’ve held for quite some time. I’m sharing a translation of his work, as faithful as possible, so you can read it and share your thoughts. Built for Ruby on … Continue reading [Ruby] My personal opinion: It’s best not to overuse the block parameter it.

Spinel: A Different Direction for Ruby Performance

Spinel: A Different Direction for Ruby Performance April 27, 2026 Built for Ruby on Rails Build Maps WithoutGoogle APIs Generate beautiful production-ready maps directly from your Rails backend. Fast rendering, zero external dependencies, full control. View Live Demo β†’ Read Docs βœ“ No API fees βœ“ Self-hosted βœ“ Rails Native βœ“ Fast Rendering Why developers … Continue reading Spinel: A Different Direction for Ruby Performance

RubyKaigi 2026: A Reminder of What Innovation Actually Looks Like

RubyKaigi 2026: A Reminder of What Innovation Actually Looks Like April 15, 2026 Scan to try 🎯 Live Demo Available Introducing MapView Render beautiful, production-ready maps directly from your Ruby backend. No external APIs. No dependencies. Just pure speed and control. βœ“ Zero external dependencies βœ“ Lightning-fast rendering βœ“ Production-ready & battle-tested Try the Live … Continue reading RubyKaigi 2026: A Reminder of What Innovation Actually Looks Like

Building MapView: Architecture, CI/CD, and Production Deployment on Railway

Building MapView: Architecture, CI/CD, and Production Deployment on Railway April 13, 2026 πŸš€ See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo β†’ Introduction MapView is a server-side map rendering engine for Rails that generates high-quality geographic visualizations without external … Continue reading Building MapView: Architecture, CI/CD, and Production Deployment on Railway

MapView: Server-Side Map Rendering for Rails

MapView: Server-Side Map Rendering for Rails April 12, 2026 After an extensive development journey, MapView has arrived: a powerful API for generating map images directly from your Ruby server. What is MapView? MapView is a Ruby gem that enables you to render maps, routes, points, and polygons with zoom levels ranging from a global world … Continue reading MapView: Server-Side Map Rendering for Rails

Building a Complete GIS Stack in Rails: ruby-libgd + libgd-gis + map_view

Building a Complete GIS Stack in Rails: ruby-libgd + libgd-gis + map_view April 10, 2026 πŸš€ See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo β†’ Over the past few months I’ve been working on a small GIS-oriented stack in … Continue reading Building a Complete GIS Stack in Rails: ruby-libgd + libgd-gis + map_view

Pure Ruby Maps: libgd-gis + Rails

April 8, 2026 πŸš€ See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo β†’ Static GIS maps, pure Ruby, GeoJSON support, and zero JavaScript bloat. Over 15 years ago, I discovered the GD library at a Linux conference. I was … Continue reading Pure Ruby Maps: libgd-gis + Rails

This Week in Rails: Faster Logs, Reliable Parallel Tests, and Key Deprecations

This Week in Rails: Faster Logs, Reliable Parallel Tests, and Key Deprecations April 5, 2026 πŸš€ See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo β†’ A new batch of improvements has landed in the Rails codebase this week, focusing … Continue reading This Week in Rails: Faster Logs, Reliable Parallel Tests, and Key Deprecations