We have a number of Dockerized Rails apps hosted on AWS Elastic Beanstalk. It isn't quite as smooth as Heroku but once setup it has been quite solid. The parity

We have a number of Dockerized Rails apps hosted on AWS Elastic Beanstalk. It isn't quite as smooth as Heroku but once setup it has been quite solid. The parity between develop and prod is decent, we use docker-compose and localstack to simulate backing services.