As awb points out: you now have a splintered codebase. I'd add that you also have hard to spec couplings and difficult to manage microservices setup. Tools li

As awb points out: you now have a splintered codebase. I'd add that you also have hard to spec couplings and difficult to manage microservices setup. Tools like MQTT or paradigms like eventsourcing might help. But those all presume your database is a datastore. And not the heart of your businesslogic.