This post shows how I tackled the issue with running multiple apps that have conflicting services (notably, Sidekiq and Redis). Sometimes while you’re developing Rails apps, especially microservice architectures, you need to be able to run multiple apps on your development machine. Read on to see how I quickly and easily solved that problem using Foreman and a few configuration changes.

http://blog.nrowegt.com/run-simultaneous-rails-apps-with-ease/