Managing Database Connection Pools and Transactions in Knex.js
Learn how to implement Knex.js connection pooling and transactions to prevent database exhaustion and ensure data atomicity in Node.js applications.
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Reusing UI with Pug Mixins: A Practical Guide
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.
Diagnosing Hanging Requests and Timeouts in Fastify
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.
fastifyUsing VS Code Remote - Containers to Eliminate 'Works on My Machine'
Learn how VS Code Remote - Containers lets you lock down a development environment with devcontainer.json, eliminating 'works on my machine' issues.
Using Sentry Release Health to Spot Regressions After Deployment
Learn how to enable Sentry release health, configure a Node.js app with a release tag, and verify that regressions are surfaced after deployment.
Choosing Between V8 Built‑in Code Cache and Custom Snapshots for Node.js Startup Speed
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.
Enable PM2 Cluster Mode for Zero‑Downtime Scaling of a Node.js Application
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.
pm2Using Node.js worker_threads to Keep Your Event Loop Free of CPU‑Intensive Work
Learn how to offload heavy calculations to worker_threads, keeping the main event loop responsive. Step‑by‑step guide, checks, and recovery strategies included.
Architecting Credential-Based Auth with Passport.js Local Strategy
Learn how to implement a decoupled authentication architecture using Passport.js Local Strategy, focusing on the separation of credential verification and session persistence.
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