A monolith is a big, often stateful app. An insurance quotation web site, for example. A micro service is a discrete and often stateless service than can be re-

A monolith is a big, often stateful app. An insurance quotation web site, for example. A micro service is a discrete and often stateless service than can be re-used by both the quotation web site as well as an underwiting web site. A service that looks up financial advisor commission rates, for example. Another good use for a micro service is for logging.