We are now going to talk a bit about why deployments fail. Of course, the reasons could be countless, it seems like there's always something popping up somewhere, and the first thing an end user tests is probably the one thing we did not expect. But let's assume for a moment that we did everything right. What kind of problems do we face when it comes to deployments?
The first category of deployment issues is essentially about correctness from a software perspective. Our microservice might make all sorts of demands about the environment in which it executes; that certain other components are present in the system, that certain configuration files exist, that certain modifications were made to the Windows registry, and so on. If any of those environmental characteristics does not hold, then there is a possibility that the software does not work the same...