Ansible & Docker

Docker is the most popular file format for Linux-based container development and deployments. If you’re using containers, you’re most likely familiar with the container-specific toolset of Docker tools that enable you to create and deploy container images to a cloud-based container hosting environment.

This can work great for brand-new environments, but it can be a challenge to mix container tooling with the systems and tools you need to manage your traditional IT environments. And, if you’re deploying your containers locally, you still need to manage the underlying infrastructure and environment.

Automate Docker with Ansible

Ansible is the way to automate Docker in your environment. Ansible enables you to operationalize your Docker container build and deployment process in ways that you’re likely doing manually today, or not doing at all.

When you automate your Docker tooling with Ansible, you gain three key things:


Ansible Playbooks are portable. If you build a container with a pure Dockerfile, it means that the only way you can reproduce that application is in a Docker container. If you build a container with an Ansible Playbook, you can then reproduce your environment in Docker, in Vagrant, on a cloud instance of your choice, or on bare metal. Plus, you can build your containers up using Ansible Roles, so that even complex container descriptions are easily read, and different container roles can be reused across many environments.


Ansible Playbooks are repeatable and auditable. Just because containers provide some isolation doesn't alleviate the IT department of the burden of knowing what their containers are based on, tracking any potential vulnerabilities within, and knowing with certainty that you can rebuild a container if needed.

By using Ansible Playbooks to build containers, you gain the advantages of a simple, repeatable, defined state of your containers that you can easily track. Combine this with Ansible Tower and you can easily track who deployed what container, with what code, where and when.


Ansible can manage full environments. With Ansible, you can manage not only the containers, but the environments around the containers. Docker instances still need to run on hosts, and those hosts need to be launched, configured, networked, and coordinated, whether they be local machines or full cloud infrastructures.

Ansible can model containers and non-containers at the same time. This is especially important, as containerized applications are nearly always talking to components — storage, database, networking — that are not containerized, and frequently not even containerizable. And with Ansible Tower, you can deploy your host environments, your containers, and your services with the push of a button.

Get Started

Explore the Docker guide in Ansible Docs.

Contact us for a container management demo.




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by Greg DeKoenigsberg, Community

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Testing Ansible Roles with Docker
by Chris Meyers, Software Engineer

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Uncontaina-bull: The Love for Ansible + Docker
by Robyn Bergeron, Community

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