https://techcrunch.com/2023/01/16/nucleus-aims-to-simplify-the-process-of-managing-microservices/

An increasing number of organizations are adopting microservices, the loosely-coupled, independently-deployable services that together make up an app. According to a 2020 O’Reilly survey, 77% of organizations had adopted microservices as of then, with 29% reporting that they were migrating or implementing a majority of their systems using microservices.

The widespread microservices adoption has spawned new problems in app development, however. According to the same O’Reilly survey, company culture and integrating with holdover systems have become major challenges in the microservices arena.