🔧 Kubernetes Core • Pod Lifecycle & Health • Networking From DevOps Production & Interview Perspective (6+ years)

PART 1 — KUBERNETES CORE (WHAT REALLY HAPPENS)





1. What Kubernetes Actually Does (Behavioral View)


Kubernetes is not running containers.
Kubernetes is constantly comparing:


Desired State (YAML)
vs
Current State (Reality)


If they differ → Kubernetes acts.



Example


You say:



replicas: 3






Reality:


2 Pods...