Cloud adoption has come to be a mainstream solution with more and more enterprises leveraging cloud as a critical part of their IT method. This is evident from the calendar year-on-calendar year growth of the primary cloud providers like AWS, Azure and, GCP more than the past 3 yrs. As a first section, these enterprises have efficiently adopted cloud by creating new apps on cloud working with cloud-native structure basic principle. Owning realized achievements with that, they are now looking for ways to migrate rest of their vital apps to cloud to know wide positive aspects of cloud. Nonetheless, the obstacle is migrating existing apps to cloud poses a different established of concerns.