In the previous chapter, we learned how SwarmKit uses rolling updates to achieve zero downtime deployments. We were also introduced to Docker secrets, which are used to share confidential data with an application service running in a Docker Swarm.
In this chapter, we're going to introduce Kubernetes. Kubernetes is currently the clear leader in the container orchestration space. We are starting with a high-level overview of the architecture of a Kubernetes cluster and then we will discuss the main objects used in Kubernetes to define and run containerized applications.
The topics discussed in this chapter are:
- Architecture
- Kubernetes masters
- Cluster nodes
- Introduction to MiniKube
- Kubernetes support in Docker for Mac and Docker for Windows
- Pods
- Kubernetes ReplicaSet
- Kubernetes deployment
- Kubernetes service
- Context-based routing
- Comparing...