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When CoreDNS Falls Silent : A Kubernetes DNS Disaster Story & The Playbook That Saved Us
5h ago · 17 min read · A real-world incident narrative + definitive best practices for CoreDNS at scale Prologue: The Calm Before the Storm The cluster was healthy. 312 pods spread across 24 nodes. CoreDNS two replicas, d
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Shopify Quietly Rolled Out Agentic Commerce and llms.txt on Every Store
1h ago · 6 min read · Tuesday morning a client pinged me about a new tab in their Shopify admin. Agentic Storefront. Sessions, orders, the usual columns — except attributed to ChatGPT and Microsoft Copilot instead of Meta
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The Most Useful AI Workflow I’ve Built Isn’t About Writing Code
6h ago · 5 min read · The Problem Wasn’t Triage Most AI workflows in software engineering still keep the human directly in the middle of triage. The AI might help write code. It might explain a stack trace. It might summar
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Anatomy of a URL Request: How a webpage loads in under a second
16h ago · 14 min read · You type https://www.google.com and hit Enter. The page loads in under a second. Simple, right? Behind that single keystroke, at least 12 distinct systems spring into action — involving your browser,
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CSS-in-JS Is Dead (And That's Okay): A Retrospective & Migration Guide
1h ago · 17 min read · TL;DR: Runtime CSS-in-JS (styled-components, Emotion) is functionally incompatible with React Server Components, adds 12–35ms of render overhead per page, and bloats your JS bundle by 12–30KB gzipped.
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