Just thought I'd provide some counter data here. I've built small services in Sinatra, which did not warrant the usage of Rails and never had to change anything, having them in fully functional operation for years.
I could have built these little apps in Rails, but I did not need it, never did, and my code/deployment/etc. is cleaner and smaller because of it.
Also these services have always been quite small (a few endpoints or functions), which is what I think Sinatra is best for.
Just thought I'd provide some counter data here. I've built small services in Sinatra, which did not warrant the usage of Rails and never had to change anything, having them in fully functional operation for years.
I could have built these little apps in Rails, but I did not need it, never did, and my code/deployment/etc. is cleaner and smaller because of it.
Also these services have always been quite small (a few endpoints or functions), which is what I think Sinatra is best for.