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update k8s services guide
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35
kubernetes/services/README.md
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@ -1,3 +1,36 @@
# Introduction to Kubernetes: Services
<a href="https://youtu.be/xhva6DeKqVU" title="k8s-services"><img src="https://i.ytimg.com/vi/xhva6DeKqVU/hqdefault.jpg" width="20%" alt="k8s-services" /></a>
<a href="https://youtu.be/hiiiGLnPdq4" title="k8s-services"><img src="https://i.ytimg.com/vi/hiiiGLnPdq4/hqdefault.jpg" width="20%" alt="k8s-services" /></a>
## Create a Kubernetes cluster
Firstly, we will need a Kubernetes cluster and will create one using [kind](https://kind.sigs.k8s.io/)
```
kind create cluster --name services --image kindest/node:v1.31.1
```
Test the cluster
```
kubectl get nodes
NAME STATUS ROLES AGE VERSION
services-control-plane Ready control-plane 5m48s v1.31.1
```
## Deploy a few pods
Let's deploy a few pods using a Kubernetes Deployment. To understand services, we need to deploy some pods that become our "upstream" or "endpoint" that we want to access. </br>
```
kubectl apply -f kubernetes/deployments/deployment.yaml
```
## Deploy a service
We can now deploy a Kubernetes service that targets our deployment:
```
kubectl apply -f kubernetes/services/service.yaml
```

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kubernetes/services/service.yaml
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@ -5,7 +5,7 @@ metadata:
labels:
app: example-app
spec:
type: LoadBalancer
type: ClusterIP
selector:
app: example-app
ports: