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Languages & runtimes · #nodejs
Route-level JSON Schema in Fastify compiles validation and serialization at startup, cutting handler boilerplate and often speeding responses—but it adds schema maintenance and boot cost.
PM2 cluster mode uses every CPU core and supports zero-downtime reloads, but only if your app is stateless and handles SIGINT. Here is how to configure it with an ecosystem file and verify it works.
In a Glitch Node.js project, keep secrets in .env and durable files under .data. This guide covers the mechanism, restart and remix boundaries, and when to switch to external storage.
A concise architecture note showing how a single FeathersJS service with JWT before‑hooks and whitelist‑based after‑hooks satisfies CRUD, role‑based access, and emits only whitelisted fields over Socket.io, with failure handling and scaling tips.
Learn how to configure Gulp’s file‑watching feature to automatically recompile Sass on file changes, with error handling, verification steps, and optional live reload.
Mocha’s parallel test execution (v8+) speeds up suites by distributing test files across isolated worker processes. This architecture note outlines the requirements, minimal design, trust boundaries, operational checks, failure modes, and when a redesign would be needed.
Railway’s built‑in vault stores and injects environment variables at runtime, eliminating hard‑coded secrets. This blog walks through setting up secrets, verifies injection, and discusses limits and best practices for Node.js deployments.
Learn how to prevent database connection exhaustion in Node.js using Knex.js pooling, safe transaction management, and parameterized queries to avoid SQL injection.
Learn how to parse multi-gigabyte JSON files in Node.js using streams so memory stays low and your service stays alive.
fastify
pm2
glitch
gulp
sass
mocha
railway
knexjs
json