There are some things we don't know when we write software. For example, whether the software will be a success or not. However, some things will not be right when we write an application and put it into production; there will be failures.
Someone, at some point, said that there can be no software without bugs; at best, the software may have an unknown bug. Unfortunately, this statement is true; we could say that it's a phrase that is almost 100% accurate.
Often, the applications that we write have high test coverage; the domain business also features automated tests and all the integrations as well. Apparently, everything is fine. However, when we talk about microservices, we should add a few potential risk points, for example, network connection, errors in the load balance, and faults in the external service consumption.
Okay, our microservices...