vi moon.yml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
labels:
app: nginx
spec:
replicas: 4
minReadySeconds: 30
strategy:
rollingUpdate:
maxSurge: 3
maxUnavailable: 0
type: RollingUpdate
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80
kubectl apply -f moon.yml
__________________________((((((((((((((((((((((((((((())))))))))))))))))____________________
change version of nginx
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
labels:
app: nginx
spec:
replicas: 4
minReadySeconds: 30
strategy:
rollingUpdate:
maxSurge: 3
maxUnavailable: 0
type: RollingUpdate
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.3
ports:
- containerPort: 80
kubectl apply -f moon.yml --record=true
kubectl explain deployment nginx-deployment
kubectl rollout history deploy nginx-deployment
output :
deployment.apps/nginx-deployment
REVISION CHANGE-CAUSE
2 kubectl apply --filename=dep.yml --record=true
3 kubectl apply --filename=dep.yml --record=true
how to do the rollback
kubectl rollout history <name of deployment> --revision =2
kubectl rollout undo <name of deployment> --revision =2
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