Create a Multi-tenancy Application In Nest.js

Multitenancy is an operational mode in SaaS applications where various independent instances are allocated to the same environment. This article will not discuss designing a multitenancy application, however, you can read about it in detail here: What is Multi-Tenant Architecture? From here on, we are going to work on an example about the multi-tenants using multiple databases and microservices architecture. We will use sample web services to test the flow, for example creating users, sending and receiving notifications, etc.