Hey everyone! A couple of pretty decent Heroku alternatives have already been mentioned, but in case anyone is looking for another platform that offers super easy backend service deployment and scaling, Fl0 (https://fl0.com/) is going to release to the public in a couple of months.

You can sign up to be on the waitlist for access here: https://fl0.com/contact?utm_campaign=hn

(Disclaimer: I work at Fl0.)