I find this a really confusing concept. It something is sitting on a Digital Ocean / AWS server then it's a server, no matter how you package it, I don't care h

I find this a really confusing concept. It something is sitting on a Digital Ocean / AWS server then it's a server, no matter how you package it, I don't care how that JSON is returned to my client. I know what it means btw: decoupled microservices instead of a complex webapps.