Kubernetes 101—Key terms
To begin with, here are a few key terms related to Kubernetes. There is a more exhaustive list available on the Kubernetes Standardized Glossary page. You can also leverage the Kubernetes Cheat Sheet, which contains a list of commonly used kubectl commands and flags.
Is a set of machines individually referred to as nodes used to run containerized applications managed by Kubernetes.
Is either a virtual or physical machine. A cluster consists of a master node and a number of worker nodes.
Is an image that contains software and its dependencies.
Is a single container or a set of containers running on your Kubernetes cluster.
Is an object that manages replicated applications represented by pods. Pods are deployed onto the nodes of a cluster.
Ensures that a specified number of pod replicas are running at one time.
Describes how to access applications represented by a set of pods. Services typically describe ports and load balancers, and can be used to control internal and external access to a cluster.