@sam_ferree@tmarkovski@sfeldman At some point you have to have code that does the dirty work of calling those pure functions, or updating data stores; and test that code.
@jeremydmiller I'm transition a system from a monolith multi-tenant system to a microservice multi-tenant system...there are no good answers. Move from one-tenant per DB to a Tenant in a bunch of DBs is a new suck as well.