[chrisweekly]

If you're sure you want a traditional strictly-serverside backend, Fastify is like an improved Express. But your project's success might depend on going beyond a hasty sanity-check that presupposes app architecture. What's your front-end look like? For React, using a framework like Remix (or Next.js) that spans client and server runtimes, could make Fastify/Express potentially moot.