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Kubernetes Pods: Deep Dive

Pods are the smallest deployable unit in Kubernetes: one or more containers sharing a network namespace, IP address, and volumes.

🎯Key Takeaways
Pod = smallest K8s unit (1+ containers, shared IP + storage)
Pod IP changes on restart — use Services for stable networking
Use Deployments for stateless, StatefulSets for stateful Pods

Kubernetes Pods: Deep Dive

Pods are the smallest deployable unit in Kubernetes: one or more containers sharing a network namespace, IP address, and volumes.

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What you'll learn
  • Pod = smallest K8s unit (1+ containers, shared IP + storage)
  • Pod IP changes on restart — use Services for stable networking
  • Use Deployments for stateless, StatefulSets for stateful Pods

Pod Lifecycle

A Pod represents a single instance of a running process. Containers in a Pod share the same IP, port space, and volumes. The kubelet manages Pod lifecycle: Pending → Running → Succeeded/Failed. Pods are ephemeral — for resilience, use Deployments or StatefulSets.

Key takeaways

  • Pod = smallest K8s unit (1+ containers, shared IP + storage)
  • Pod IP changes on restart — use Services for stable networking
  • Use Deployments for stateless, StatefulSets for stateful Pods

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Deployments & ReplicaSets: Stateless Workload Management

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