While I've never used Symfony, when I've tinkered in Laravel it felt like the frameworks were pretty similar (if you've ever used Laravel).
If you want to do something more 'cloud native' in Ruby, you could use something like Ruby on Jets (at its core it uses AWS's API Gateway and Lambda, but can be extended for other AWS services with events)
https://en.wikipedia.org/wiki/HiQ_Labs_v._LinkedIn