Google Cloud Platform for Architects

Docker containers and Kubernetes – complements, not substitutes

A common question that people have is - what exactly is the relationship between Docker and Kubernetes? Well, technically Docker is a container hosting and container runtime platform while kubernetes is a container orchestration platform. In other terms, containers run on Docker while they can be managed by kubernetes. There are other orchestrators as well, but they would go way out of the scope and relevance of this book. Kubernetes was earlier developed by Google to manage their own containers; that is, for internal use at Google. Many of the kubernetes orchestration techniques are derived from the results of Google's own struggle with handling containers on large scale. Some ...