HPR2961: Kubernetics / Cloud - Terminology

We talk about terms often used when using Kubernetes.

Terms we talk about

• Node - Machine to run jobs on.
• Cluster - Grouping of nodes to deploy work to.
• Container - Compute unit that we can run in the cloud
• Pod - One or more containers that are one unit in the cloud that could be started, stopped, or restarted.
• Service - Different network services that serve the pods
  • Load balancers - Balance network calls to different pods
  • Certmanager - Handles certificates, for instance, let’s encrypt.
  • Ingress - Handles traffic from the external network
• Volumes - External resources used by pods to keep state
• ConfigMap - Configuration parameters that could be changed without restarting the pods or deployment.
• Deployment - A configuration of all the terms mentioned that you use to deploy as a unit to the cluster.

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