Your Postgres will die at 50 concurrent users, not 50,000. Here is the connection pooling guide nobody handed you. (opens in new tab)

Disclosure: I am a senior backend tech lead in Paris and I run HostingGuru, a small European PaaS for solo founders and small teams. This article mentions HostingGuru once near the end. The fix works on any platform: Render, Fly, Railway, Supabase, your own VPS, whatever you ship on. You launch on Product Hunt. By 11h Pacific you have 87 people poking around your dashboard. Your error rate starts climbing. Sentry begins shouting PrismaClientInitializationError: Can't reach database server. Yo...