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Kubernetes Cookbook by Ke-Jou Carol Hsu, Hui-Chuan Chloe Lee, Hideto Saito

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Working with services

The network service is an application that receives requests and provides a solution. Clients access the service by a network connection. They don't have to know the architecture of the service or how it runs. The only thing that clients have to verify is whether the end point of the service is contactable, and then follow its usage policy to solve problems. The Kubernetes service has similar ideas. It is not necessary to understand every pod before reaching their functionalities. For components outside the Kubernetes system, they just access the Kubernetes service with an exposed network port to communicate with running pods. It is not necessary to be aware of the containers' IPs and ports. Therefore, we can fulfill a zero ...

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