Writing
Notes from the build log
Practical notes on React, Node.js, deployment, tooling, and the small bugs that teach the most.
A practical deep dive into testing SaaS backends with pytest and k6 against duplicate submissions, weak validation, rate-limit gaps, oversized payloads, and database abuse.
Backend TestingSaaSPytest
A practical guide to event loop ordering, Promise callbacks, and process.nextTick.
Node.jsEvent LoopJavaScript
When Promise.all is ideal, and when Promise.allSettled is a safer fit.
ReactJavaScriptAsync
A compact workflow to build, push, and run your frontend image with Docker Hub.
DockerReactDeployment
A practical reference for 2xx, 3xx, 4xx, and 5xx responses with real-world meaning.
HTTPBackendAPI
Install Chocolatey fast and use it to manage packages from PowerShell.
WindowsCLIChocolatey