Ansible 2.1 provides enhanced Docker container capabilities, enabling organizations to build, deploy and manage container applications. The new Docker-service module allows an administrator to either copy and paste or reference Docker Compose files in an Ansible playbook, Barr said.
Docker Compose is an open-source tool that enables developers to define and group multiple containers that work together as a single application. The Ansible playbook is a configuration management definition for deployment of an application or service.