Ansible vs Docker Swarm: What are the differences?
Developers describe Ansible as "Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine". Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use. On the other hand, Docker Swarm is detailed as "Native clustering for Docker. Turn a pool of Docker hosts into a single, virtual host". Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.
Ansible and Docker Swarm are primarily classified as "Server Configuration and Automation" and "Container" tools respectively.
"Agentless" is the top reason why over 251 developers like Ansible, while over 43 developers mention "Docker friendly" as the leading cause for choosing Docker Swarm.
Ansible and Docker Swarm are both open source tools. It seems that Ansible with 37.8K GitHub stars and 15.8K forks on GitHub has more adoption than Docker Swarm with 5.61K GitHub stars and 1.11K GitHub forks.
According to the StackShare community, Ansible has a broader approval, being mentioned in 955 company stacks & 578 developers stacks; compared to Docker Swarm, which is listed in 80 company stacks and 38 developer stacks.
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