Kubernets

automated_rollback.md

Commands

kubectl apply -f deployment.yaml

kubectl rollout status deployment myapp

Readiness probes -> examine how the application is doing

readinessProbe:
  httpGet:
    path: /
    port: 3000

Scripting automated rollback

kubectl apply -f myapp.yaml
if ! kubectl rollout status deployment myapp; then
    kubectl rollout undo deployment myapp
    kubectl rollout status deployment myapp
    exit 1
fi

kubernetes_diff.txt

echo $(kubectl get pod dns-demo-2 --template={{.status.podIP}})