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Single Pod on Single Node

Multi Pod on Single Node

Multi Pod on Multi Node

Code Block
linenumberstrue
apiVersion: v1
kind: Service
metadata:
  labels:
    app: myapp-svc
    type: front-end
  name: nginx-svc-nodeport
spec:
  type: NodePort
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
    nodePort: 30008
  selector:
    type: front-end
Code Block
linenumberstrue
sansae@sansaeAir15m2 k8s-lab-workspace % k apply -f nginx-svc-nodeport.yaml 
service/nginx-svc-nodeport created
sansae@sansaeAir15m2 k8s-lab-workspace % k get svc
NAME                 TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)        AGE
kubernetes           ClusterIP   10.0.0.1       <none>        443/TCP        29h
nginx-svc            ClusterIP   10.0.133.111   <none>        80/TCP         5h38m
nginx-svc-nodeport   NodePort    10.0.159.138   <none>        80:30008/TCP   3s
sansae@sansaeAir15m2 k8s-lab-workspace % k get node -o wide
NAME                                STATUS   ROLES   AGE   VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE             KERNEL-VERSION      CONTAINER-RUNTIME
aks-agentpool-33019784-vmss000000   Ready    agent   29h   v1.27.9   10.224.0.4    <none>        Ubuntu 22.04.4 LTS   5.15.0-1056-azure   containerd://1.7.7-1
sansae@sansaeAir15m2 k8s-lab-workspace % 
sansae@sansaeAir15m2 k8s-lab-workspace % 
sansae@sansaeAir15m2 k8s-lab-workspace % k exec -it util -- bash
root@util:/# curl 10.224.0.4:30008
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
~~~~~~~~~ 생략 ~~~~~~~~
root@util:/# 

root@util:/# curl 10.0.159.138
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
~~~~~~~~~ 생략 ~~~~~~~~
root@util:/#


LoadBalancer

Info