Summary

We have covered the configuration management process and its relation to Docker. The key takeaway from the chapter is as follows:

• Configuration management is a process of creating and applying the configurations of the infrastructure and the application
• Ansible is one of the best trending configuration management tools. It is agentless and therefore requires no special server configuration
• Ansible can be used with ad hoc commands, but the real power lies in Ansible playbooks
• The Ansible playbook is a definition of how the environment should be configured
• The purpose of Ansible roles is to reuse parts of playbooks.
• Ansible Galaxy is an online service to share Ansible roles
• Ansible integrates well with Docker and brings additional benefits compared to using Docker and Docker Compose alone

In the next chapter, we will wrap up the Continuous Delivery process and complete...