It is an example of nestjs microservice that you can find many useful concept to create your own microservice
This service has to authenticate users and do user tasks.
This one is created to upload and get uploaded files.
This service is gayteway and frontend have to send all request to this one. but it also possible to frontend service call any other service if we need.
This service used as ticket system
This service work with articles
There is many ways to create microservice and it's not solution for everywere but is's just an example to see manything in one place