Why I migrated from NestJS-Fastify back to NestJS-Express
A while ago, I led a project using NestJS with Express as the default HTTP adapter. Wanting to optimize performance, we migrated to NestJS with Fastify, which promised better throughput and lower overhead. Here’s what happened: 🔍 The context:We were building internal tools and APIs where performance mattered, but not at hyperscale. As a tech…