What Tech Stack Do You Use for Micro-SaaS and Why?

If it's me, I would use the following tech stacks. Infrastructure - Vercel, Render, and Google Cloud Run Backend: - Apollo Server - Prisma(or Supabase) - and third-party APIs (for example, SuperTokens for auth) Frontend - Next.js - Apollo Client To be honest, I don't like Node.js so much but most third-party APIs offer official Node.js SDK, and most of them offer free to low-cost tiers, so using those APIs helps you quickly launch a reliable app.