{ " @context ": " https://schema.org ", "@type": "TechArticle", "headline": "PostgreSQL Optimization for Node.js: Complete 2026 Guide", "description": "Optimize PostgreSQL performance in Node.js apps. Covers connection pooling, query optimization, Prisma patterns, and monitoring. Includes case study.", "author": { "@type": "Person", "name": "Asif Chowdhury", "url": " https://asifthewebguy.me " }, "datePublished": "2026-05-08", "dateModified": "2026-05-08", "image": " https://asifthewebguy.me/images/og-default.png ", "publisher": { "@type": "Person", "name": "Asif Chowdhury" }, "mainEntityOfPage": { "@type": "WebPage", " @id ": " https://asifthewebguy.me/posts/postgresql-optimization-nodejs-complete-guide.html " } } I run a lot of Node.js applications backed by PostgreSQL. Most of them started fast. Then traffic grew, dashboards slowed down, and suddenly a query that used to take 200ms was hanging at 5 seconds. I've been there. PostgreSQL is powerful, but it doesn't optimize itself.…