A real issue with microservices is that you can no longer use the database system for transactional integrity. Microservices are fine for things you never have to back out. But if something can go wrong that requires a clean cancel of an entire transaction, now you need all the logic for that in the microservice calls. Which is very hard to get right for the cases where either side fails.
(Today's interaction with phone support: Convincing Smart and Final that when their third-party delivery company had their systems go down, they didn't actually deliver the order, even though they generated a receipt for it.)
(Today's interaction with phone support: Convincing Smart and Final that when their third-party delivery company had their systems go down, they didn't actually deliver the order, even though they generated a receipt for it.)