Large companies use software, half of the companies and enterprises work on a remote format transfer their data to the cloud . And for the cloud they use orchestration . Without orchestration of containers, as orchestration has many advantages automation of development and administration of applications based on microservices, there is also a complex set of supporting elements to save time. There are several types of orchestration pipelines kubernetes, Rancher, Docker. Tell me which one is better and which one can be used in retail .