Long-form notes on systems, software engineering, architecture, and lessons from real projects.
I accepted an AI-suggested Dockerfile without a deep review. Four hours later, Temporal workers failed in production — musl, glibc, and what I missed.
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Wrong Node.js architecture has a name: Controller Severino, God Service, Hexagonal Theater, and NASA. Real code and when each pattern breaks in production.
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JavaScript Promises and async/await from the ground up: states, chaining, error handling, and the gotchas official docs tend to skip.
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Spread operator and rest in JavaScript: how they work in arrays, objects, and functions, and the shallow copy gotchas that catch every developer.
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Binary search in JavaScript: iterative and recursive forms, sorted arrays, and O(log n) complexity. Series finale with real code.
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