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Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: Express
Server-Side Rendering a React 18 App with Express and Babel
Convert a Create React App project to server side rendering with Express and Babel: renderToString, hydrateRoot, MemoryRouter, then how Remix and Gatsby do SSR.
7 min readHow Many Requests Can a Node.js Server Really Handle?
How many requests can a Node.js server really handle? Express load tests on Heroku and AWS against Django, a 40K rps capacity estimate, and what slows APIs.
6 min readValidate Node.js Environment Variables with Zod and TypeScript
Stop reading process.env all over Node.js code. One env.ts file validated with Zod catches missing secrets at boot and gives the app typed TypeScript config.
3 min readType-Safe Express APIs with Zod and OpenAPI in One Contract
One contract for type-safe Express APIs: Zod validates requests at the edge and the same schemas emit OpenAPI, so TypeScript types and docs never drift.
3 min readCannot Find Module: Debugging Express Imports and Route Params
A TypeScript Express weather API fails on a missing controller import. Trace paths, casing, and exports, then validate :city before calling live weather APIs.
4 min readDeploying a Node.js App on cPanel Shared Hosting With Passenger
A step-by-step guide to running an Express app on cPanel shared hosting with Application Manager and Passenger, including restarts, env variables and 503 fixes.
6 min readNode.js and Express Interview Prep: 70 Questions With Precise Answers
A structured review of 70 Node.js and Express interview questions, from the event loop and streams to middleware, security and scaling, with corrections to common answers.
21 min readServer-Side Input Validation in Express with express-validator Chains
Learn why Express APIs must validate input on the server, how express-validator chains record errors for validationResult, and how to structure a production route.
10 min readSending and Receiving SMS in Node.js with Twilio Webhooks and Express
Build a small Express server that sends texts through Twilio, receives replies via a webhook exposed with ngrok, and answers them automatically with TwiML.
6 min read
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