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Languages & runtimes · #nodejs
Learn how Pug mixins let you build reusable template components, reduce duplication, and keep server‑side rendering tidy. This post walks through a real example, shows how to test it, and discusses when to avoid over‑engineering.
Learn how to diagnose and fix hanging requests in Fastify, from identifying event loop blockage and missing next() calls to resolving database connection pool exhaustion.
Learn how VS Code Remote - Containers lets you lock down a development environment with devcontainer.json, eliminating 'works on my machine' issues.
Learn how to enable Sentry release health, configure a Node.js app with a release tag, and verify that regressions are surfaced after deployment.
Learn how to decide between V8's built‑in code cache and a custom snapshot to cut Node.js cold‑start time while staying under a 150 MiB RSS budget.
Learn how to run multiple instances of a Node.js app with PM2 in cluster mode, verify the setup, and perform seamless reloads without dropping connections.
Learn how to offload heavy calculations to worker_threads, keeping the main event loop responsive. Step‑by‑step guide, checks, and recovery strategies included.
Learn how to implement a decoupled authentication architecture using Passport.js Local Strategy, focusing on the separation of credential verification and session persistence.
A step‑by‑step diagnostic guide for when nodemon does not restart a Node.js app after file edits, with checks, fixes, and escalation paths.
fastify
pm2
passport
nodemon