[aosaigh]

I think it depends on your needs. Any time I've tried to use an "all-in-one" full-stack solution I've quickly run into limitations, whether it's task running, authentication, web sockets, load balancing, redirects. Many of the platforms have limitations that you only run into once you're deeply committed and you've then got to find all sorts of hacks to fill in the blanks. Not saying Next and Vercel is like that per-se, but there is a lot more control when running your own backend services.