not OP, but microservices can cause you to have to spend a disproportionate amount of time writing glue code between services. Starting with microservices is of

not OP, but microservices can cause you to have to spend a disproportionate amount of time writing glue code between services. Starting with microservices is often a case of implementing separation of concern at the network rather than the functional layer, which is IMO too high in the stack. Microservices should be extracted for performance reasons, not build from the start because they are trendy.