#node.js

Chart comparing requests per second for NestJS routes without a cache and with memory, Redis and two-tier caches

NestJS Redis caching: cache-manager traps, measured

NestJS Redis caching with cache-manager, tested on Nest 12. Six traps we measured, from leaked user data to a silent wrap failure, plus the fixes.

Tue Oct 13 2026 · 10 min read · 0 views

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Chart comparing NestJS JWT guard throughput for Passport, jose and fast-jwt on a protected route

NestJS JWT auth: Passport, guards and the new package

NestJS authentication with Passport, JWT and guards, tested on Nest 12. Four traps we measured, plus the new @nestjs/authentication package.

Tue Oct 13 2026 · 13 min read · 0 views

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Bars comparing NestJS, Express and plain Node.js microseconds per request on the same endpoint

NestJS vs Express vs plain Node.js: what each layer costs

NestJS vs Express vs plain Node.js, measured. We priced every layer in microseconds per request and show when a framework's overhead stops mattering.

Tue Oct 13 2026 · 11 min read · 0 views

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Bar comparison of NestJS and Next.js requests per second on the same API endpoint

NestJS vs Next.js: we benchmarked both as an API

NestJS vs Next.js is not a rivalry: one is a backend framework, one is a React framework. We benchmarked both as an API and show when to add the second.

Tue Oct 13 2026 · 12 min read · 0 views

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Matrix showing a CommonJS NestJS 12 app failing on five Node versions under the Lambda require(esm) flag

NestJS 12 on AWS Lambda: the ESM crash and how to fix it

NestJS 12 ships ESM-only, and AWS Lambda turns off require(esm). We reproduced the ERR_REQUIRE_ESM crash on five Node versions and tested three fixes.

Sun Oct 11 2026 · 10 min read · 2 views

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Matrix of one NestJS 12 spec passing or failing under Jest and Vitest on four Node versions

NestJS 12 and Jest: why your tests fail and how to fix them

Jest cannot load NestJS 12's ESM-only packages on most Node versions. We ran one spec on four Node versions and tested every fix, including Vitest.

Sun Oct 11 2026 · 10 min read · 12 views

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Matrix of HTTP status codes for health indicators on Terminus 11 and Terminus 12

NestJS Terminus 12 removed HealthCheckError. Fix your probes

Terminus 12 deletes HealthIndicator and HealthCheckError. We ran the same failing check on v11 and v12 and measured which HTTP status your probes now see.

Sun Oct 11 2026 · 10 min read · 9 views

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Table of four ways to run nest upgrade on a NestJS 11 project and what each returned

NestJS 12 upgrade: the traps nest upgrade does not fix

nest upgrade fails with Invalid command or Schematic not found on a v11 project. We tested the fix, read its report, and listed what you must still do by hand.

Sun Oct 11 2026 · 10 min read · 6 views

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Terminal showing a Vercel deployment failing on Node.js 20 next to a package.json engines field set to Node.js 24

Vercel Node Version Update: Node.js 20 Is Now Disabled

Vercel disabled Node.js 20 for new Builds and Functions on October 1, 2026. Here is what breaks, what still works, and the one-line fix.

Tue Sep 29 2026 · 6 min read · 10 views

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Clock icon beside the headline Node.js 26: upgrade or wait?

Node.js 26 turns Temporal on. Upgrade now or wait?

Stay on Node.js 24 for production for another three weeks, test Node.js 26 in CI today, and move once 26 becomes LTS. Node.js 26 has been the Current release since May 5, 2026, and the official

Wed Aug 19 2026 · 8 min read · 21 views

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