Today, very often you can hear a lot of buzz words, but even among them, DevOps and Microservices excite the minds of people as something special. For a typical engineer, DevOps and Microservices are just a marketing profanity. It's more important to "keep DevOps in your hands" and be able to use it. I want to understand where our and other people's fantasies come to an end, where really useful practices begin, what tools will help us and what fundamental principles will help increase the profit from the used practices and tools. The talk is primarily about the implementation of various technologies, tools and methodologies in a large organization. I will share the problems that we encountered in the implementation of various principles and technologies, I will talk about solutions and developed principles of scaling processes / tools. Today our slogan will be "DevOps in the hands and not in the heads." But what is in the minds is still important, although this is a completely different story.