There are 2 node js apps floating around the city...built by me for intranet apps used in a logistics company.

I legit asked a friend if it has been replaced and he said no, that they keep on running like a fucking beast causing no issues whatsoever.

Fascinating. I was legit expecting it to crash a while ago.

Guess mern stacks do scale if you know what you is doing.

Write your unit tests people.