Summary

This chapter covered a lot of ground. It's not easy to start with DevOps in large, traditional enterprises, but it is possible. In this chapter, we learned that we can start small and then slowly expand. Starting small doesn't mean that an enterprise doesn't need to have an end goal in mind: the enterprise architect has a key role in defining the target operating model and the way the enterprise will develop and operate products in the future. A CoE with SMEs can guide in this transformation.

There's a good chance that the company has legacy environments that will need to be transformed. We've discussed modern DevOps and using cloud and cloud-native technology. We also learned about different transformation strategies for applications and how we can develop new applications in DevOps mode using RAD.

In the last section, we also learned that even mission-critical systems can be developed and managed in a DevOps way, if we focus on resilience and...