Fernando Ruiz_
RSS FeedSoftware engineer. I write about Ruby, Rails, Elixir, deployment, and building things with AI.
Recent Posts
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Rails in 2026: The Framework They Keep Burying
Every year a fresh batch of 'languages that will be obsolete' articles puts Ruby on the list. Here's what the numbers actually say.
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Encode Your Rules as Tools: A Compile-to-Test Quality Stack for Elixir
How to replace a 450-line AI style guide with automated Elixir build checks using Credo, Dialyzer, Boundary, and custom compile-time rules.
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Securing Kamal Deployments with Bitwarden: No More Secrets in Git
How to use Bitwarden CLI and Kamal 2's built-in adapter to manage deployment secrets securely, replacing fragile .env files and manual secret sharing.
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From Heroku to Kamal: A Practical Migration Guide
A practical guide to migrating Rails applications from Heroku to Kamal 2, with step-by-step instructions for Docker, Hetzner Cloud, and production hardening.