Add sample output to Kubernetes introductory tutorial (scaling)

[ayushpatil2122]

Description

The text states: "We hit a different Pod with every request. This demonstrates that the load-balancing is working."

Everything worked fine as followed by the tutorial but how do we know or actually see that a different Pod was invoked for the multiple curl requests? Nothing is demonstrated or confirms that multiple Pods were involved. Is there a log trace somewhere or a command execution history logged where we can actually see the "demonstration" that multiple Pods were involved in the scaling or is it just blind trust?

output added : - Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-644c5687f4-wp67j | v=1 Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-644c5687f4-hs9dj | v=1 Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-644c5687f4-4hjvf | v=1 Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-644c5687f4-wp67j | v=1 Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-644c5687f4-4hjvf | v=1

Issue

#47345

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[sftim]

/retitle Add sample output to Kubernetes introductory tutorial (scaling)

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[k8s-ci-robot]

LGTM label has been added.

Git tree hash: aa73f32fb2d8a3e0818dc58d681097a949cb2042