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Learn Kubernetes | K8s Tutorial for Beginners

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Kubernetes Objects


Container Image

  • A container image is a ready-to-run software package, containing everything needed to run an application: the code and any runtime it requires, application and system libraries, and default values for any essential settings.

Containers

  • Container is the smallest unit of software that can run applications and its dependencies so that application runs quickly and reliably on that container.

POD

  • A Pod is the basic execution unit of a Microservice application. Kubernetes manage running the containers in the Pod abstract layer. Usually a single Pod contains only on Container, but Pod can have multiple Container when those are having dependency each other to run.

POD Characteristics 

  • Containers within a Pod share an IP address and port space and can find each other via localhost. 


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