@pratikpatel1015

Prisma N+1 in Production:Real Query Plans and Fixes

Mar 31 · 6 min read · The silent killer hiding in your ORM It was a Tuesday morning when our on-call alert fired. P95 latency on /api/dashboard had crossed 4 seconds. Nothing had been deployed. No traffic spike. The databa

SQS vs BullMQ vs Cron: Which One Should You Use for Background Jobs?

Mar 30 · 4 min read · When building backend systems, especially SaaS applications, handling background jobs correctly is critical. Whether it's sending emails, processing payments, or scheduling reminders, choosing the rig

Implementing Zero-Downtime CI/CD for Node.js Apps on AWS EC2

Nov 20, 2025 · 4 min read · Deploying code sounds easy — until you’re doing it multiple times a day while keeping your production server stable. Our Node.js backend powers critical features, so even a broken build or 2–3 minutes of downtime wasn’t acceptable. As our team grew, ...

JavaScript: Pass by Value vs Pass by Reference

Sep 6, 2025 · 2 min read · Introduction When working with functions in JavaScript, you’ll often hear developers debating whether JavaScript is “pass by value” or “pass by reference.” The truth is slightly nuanced. Let’s break it down with examples so you’ll never get confused ...

Mastering Deep Copy vs Shallow Copy in JavaScript: A Must-Know for Developers

Sep 5, 2025 · 3 min read · When we work with objects and arrays in JavaScript, we often need to copy data. But copying in JavaScript is not always as simple as it looks. Depending on the method you use, you may end up with shared references which can cause unexpected changes i...