let's try to deploy Application on the cluster using deployment and service yaml file
The command to create deployment and service
kubectl create -f filename
vi DemoApp01.yml and copy and paste the below
apiVersion: apps/v1
kind: Deployment
metadata:
name: deploy1
labels:
app: app-v1
spec:
replicas: 3
selector:
matchLabels:
app: app-v1
template:
metadata:
labels:
app: app-v1
spec:
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: beta.kubernetes.io/arch
operator: In
values:
- amd64
- arm64
containers:
- name: deploy-images
image: kellyamadin/d-imags:v1
ports:
- containerPort: 8080
Create service file by below command
vi ServiceApp01.yml
apiVersion: v1
kind: Service
metadata:
name: svc1
labels:
app: app-v1
spec:
ports:
- port: 8080
nodePort: 32000
protocol: TCP
selector:
app: app-v1
type: NodePort
copy the public cluster ip and with the port being expose in the SG(32000) and paste in the browse
You can change type from NodePort to LoadBalancer by below service file
apiVersion: v1
kind: Service
metadata:
name: svc1
labels:
app: app-v1
spec:
ports:
- port: 8080
nodePort: 32000
protocol: TCP
selector:
app: app-v1
type: LoadBalancer
Go to the LoadBalancerDNS:8080
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