Running Docker on a single host may be good for the development environment, but the real value comes when we span multiple hosts. However, this is not a trivial task. You have to orchestrate these containers. So, in this chapter, we'll cover some orchestration tools and hosting platforms.
Docker Inc. announced two such tools:
- Docker Compose (https://docs.docker.com/compose), to create apps consisting of multiple containers.
- Docker Swarm (https://docs.docker.com/engine/swarm/), to cluster multiple Docker hosts. Docker Compose was previously called Fig (http://www.fig.sh).
Google started Kubernetes (http://kubernetes.io/) Docker orchestration. Kubernetes provides mechanisms for application deployment, scheduling, updating, maintenance, and scaling.
Even Microsoft announced (http://azure.microsoft.com/blog/2015/04/08/microsoft-unveils-new-container-technologies...
