docker tag k8s.gcr.io/ingress-nginx/controller:v0.35.0 registry.yourcompany.com:5000/ingress-nginx/controller:v0.35.0 docker tag docker.io/jettech/kube-webhook-certgen:v1.3.0 registry.yourcompany.com:5000/jettech/kube-webhook-certgen:v1.3.0
docker save -o controller:v0.35.0.tar registry.yourcompany.com:5000/ingress-nginx/controller:v0.35.0 docker save -o kube-webhook-certgen:v1.3.0.tar registry.yourcompany.com:5000/jettech/kube-webhook-certgen:v1.3.0