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Deployment

Deployment​

info

kubectl explain deployment

  • kubectl scale deployment nginx --replicas=4

deployment-definition.yaml​

deployment-definition.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: myapp-deployment
  labels:
    app: myapp
    type: front-end
spec:
  template:
    metadata:
      name: myapp-pod
      labels:
        app: myapp
        type: front-end
    spec:
      containers:
        - name: nginx
          image: nginx
  replicas: 3
  selector:
    matchLabels:
      type: front-end

Create Deployment​

Create Deployment
kubectl create -f deployment-definition.yaml

Output​

Output
# kubectl get rc
NAME               DESIRED   CURRENT   READY   AGE
myapp-deployment   3         3         3       7s

# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
myapp-deployment-asdxw                         1/1     Running   0          84s
myapp-deployment-sztmf                         1/1     Running   0          61s
myapp-deployment-xr8f9                         1/1     Running   0          61s