Gyakorlati workflow példák

kubectl create namespace myapp-prod

kubectl create secret generic myapp-secret \
  --from-literal=DB_PASSWORD=supersecret \
  -n myapp-prod

kubectl apply -f configmap.yaml -n myapp-prod
kubectl apply -f deployment.yaml -n myapp-prod
kubectl apply -f service.yaml -n myapp-prod

kubectl get pods -n myapp-prod
kubectl get services -n myapp-prod
kubectl rollout status deployment/myapp-deployment -n myapp-prod

kubectl get pods -n myapp-prod
kubectl describe pod <pod-neve> -n myapp-prod

kubectl logs <pod-neve> -n myapp-prod
kubectl logs <pod-neve> --previous -n myapp-prod

kubectl exec -it <pod-neve> -n myapp-prod -- /bin/sh

kubectl port-forward pod/<pod-neve> 8080:8080 -n myapp-prod

kubectl set image deployment/myapp-deployment \
  myapp=myapp:2.0.0 \
  -n myapp-prod

kubectl rollout status deployment/myapp-deployment -n myapp-prod
kubectl rollout undo deployment/myapp-deployment -n myapp-prod
kubectl rollout history deployment/myapp-deployment -n myapp-prod

kubectl get deployment myapp-deployment -n myapp-prod
kubectl scale deployment myapp-deployment --replicas=10 -n myapp-prod
kubectl get pods -n myapp-prod --watch
kubectl scale deployment myapp-deployment --replicas=3 -n myapp-prod

kubectl rollout restart deployment/myapp-deployment -n myapp-prod