In presentation we will talk about one of the most trend and popular environment build pattern - Service Discovery. IN article we will investigate what is it, why we need such pattern and when we should use it. Also we will take a look to a bunch of most popular tools to implement such pattern. Also we will talk about how this pattert can be applied to QA process. For QA engineers this presentation can be interresting from such point of view as "how to apply pattern to effective creation of test environments", "how use this patterns with automation testing" and "how use this pattern to generate test data or test configuration"