#9 KUBERNETES tutorial | LECTURE 5 | DevOps - (Hindi/Urdu)

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In this video, I explained what is annotation , labels and selector and I explain how important they are and how to use them into your projects.
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Kubernetes is one of the most popular tools in DevOps 🔥
In this video you will learn:
1) What is kubernetes Annotation, Labels and selector
2) Why do we use Annotation, Labels and selector
3) How to use Annotation, Labels and selector
4) How to expose nginx page with nodeport service
5) How to access pods with the help of labels and selectors


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#solution

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YAML Please copy command and compare with video because some Characters are not allowed in description section
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apiVersion: v1
kind: Pod
metadata:
name: label-demo
annotations:
maintainer: "[email protected] - 12345"
labels:
app: nginx
spec:
containers:
name: nginx
image: nginx
ports:
containerPort: 80

---

Service Configuration
--------------------
apiVersion: v1
kind: Service
metadata:
name: label-service-demo
spec:
ports:
port: 80
protocol: TCP
selector:
app: nginx
type: NodePort

-----------------------------------------------------------------------------------

CREATE PODS YAML FILE:
vim labels.yaml

HOW TO CHECK ANNOTATION, LABELS and SELECTOR
kubectl describe pod POD_NAME

HOW TO DELETE PODS:
kubectl delete -f labels.yaml

HOW TO ACCESS CONTAINERS FROM PODS:
kubectl exec -it pod_name -c container_name -- /bin/bash