Javier Salazar · Engineering notes from production systems

Production Stories

Real engineering stories written from experience building software used every day by real businesses. I document production incidents, architecture decisions, observability, complex integrations and the lessons learned while building Metrify ERP and other real projects.

Topics

Architecture Astro Backend Distributed Systems Frontend Observability Payments PHP Python TypeScript

Astro for Backend Developers: When Frontend Feels Simple Again

My experience using Astro with a backend mindset: HTML first, JavaScript when it is needed, and an architecture that keeps important decisions explicit.

Astro Backend Frontend Architecture TypeScript

00112 min

When Uncertainty Became the Biggest Production Bug

How a payment integration ended up forcing us to build real observability.

Observability Payments Distributed Systems PHP Python