learn/kubernetes/deployement.md

to avoid downtime, create a......

Deployement

• a blueprint for for a process-specific pod
• you specify how many replicas of the pod to make
• this is an abstraction on top of pods
• can scale up or down ★ if one of the replicated pods dies, the service will simply foreward the request to whatever pod has the lightest load

what if multiple pods want to write to a storage medium? Then we have to use a......

StatefulSet

• replaces deployements for stateful apps (apps that need static information)
  ★ examples of stateful apps include databases, email, etc
• ensures database reads/writes are synchronized
• very complicated, consider hosting outside of the kubernetes cluster