A relatively small service that should be deployable independent of the rest of your system. They're usually event driven. But 99% if the time people think "it

A relatively small service that should be deployable independent of the rest of your system. They're usually event driven. But 99% if the time people think "it's in a container" means it's a microservice. So instead of getting reasonably sized, fairly well isolated, independently deployable services, you get 150 glorified function calls spread out across a Kubernetes cluster.