Alternative cluster management systems

Docker Swarm is not the only system for clustering Docker containers. Even though it's the one available out of the box, there may be some valid reasons to install a third-party cluster manager. Let's walk through the most popular alternatives.

Kubernetes

Kubernetes is an open source cluster management system originally designed by Google. Even though it's not Docker-native, the integration is smooth, and there are many additional tools that help with this process; for example, kompose can translate the docker-compose.yml files into Kubernetes configuration files.

Let's take a look at the simplified architecture of Kubernetes:

Kubernetes is similar to Docker Swarm...