May 5 · 28 min read · Some incidents look minor on paper. A small single-digit percentage of instances affected, in a single AZ. And yet the user-visible outcome is that more than half of the service's transactions stop wo
Join discussionApr 29 · 8 min read · In Part 11, I built a metrics system to see the big picture — request counts, latencies, error rates per endpoint. Then I looked at my main.go and realized something embarrassing. The JWT secret was hardcoded. The Redis address was a string literal. ...
Join discussionApr 24 · 6 min read · Diagnosing and preventing random downtime in high availability systems Have you ever experienced that sinking feeling when your production system goes down, but all your monitoring shows everything was fine? CPU normal, memory stable, database respon...
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Apr 23 · 2 min read · Preventing cascade failures Day 119 of 149 👉 Full deep-dive with code examples The Electrical Circuit Breaker Analogy When too much electricity flows: The circuit breaker trips Stops electricity to prevent fire You fix the problem Then reset the b...
Join discussionApr 20 · 1 min read · Introduction Cybersecurity is no longer optional; it is a foundational business requirement. Organizations of every size face evolving threats—from phishing and ransomware to supply-chain attacks—that can disrupt operations, compromise data, and erod...
Join discussionApr 19 · 19 min read · A BFF that aggregates four upstream services inherits four independent failure modes. Any one of them can be unavailable, slow, or intermittently returning errors at any time. The question is not whet
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Apr 17 · 3 min read · I have been watching the "Agentic AI" trend blow up on Hashnode lately. It seems like every other post is about how AI is moving from just answering questions to actually doing things—writing code, ma
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Apr 12 · 16 min read · A note on the code in this article. The implementation shown here is derived from a production BFF built for a Norwegian enterprise education platform. Service names, domain models, and certain struct
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Mar 29 · 3 min read · The development of sovereign AI systems demands a governed environment to ensure secure and ethical operation. This thesis is grounded in the architecture of MirrorGate, where policy bindings and sandbox provisioning enable the integration of variou...
Join discussionMar 28 · 10 min read · Node.js Circuit Breaker Pattern in Production: Prevent Cascading Failures with Opossum Your payment service starts timing out at 3am. Every inbound request to your checkout API fires an HTTP call to the payment provider — and each one hangs for 30 se...
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