kubectl id deploy code example
Example 1: kubectl restart deployment
kubectl rollout restart deployment yourDeploymentName
Example 2: scale deployment
# scale deployment in the default namespace, named myDeploymentName to have 3 pods
kubectl scale deployment/myDeploymentName --replicas=3
# scale deployment in the myNamespace namespace, named myDeploymentName to have 3 pods
kubectl scale deployment/myDeploymentName --replicas=3 -n myNamespace