Sample webhook project using controller runtime
kubebuilder init --domain deven01.webhooks.io --skip-go-version-check
kubebuilder create api --group core --version v1 --kind Pod --resource=false --controller=false
kubebuilder create webhook --group core --version v1 --kind Pod --programmatic-validation --defaulting
https://kubebuilder.io/reference/webhook-for-core-types.html
go run main.go -metrics-bind-address :8084 -health-probe-bind-address :8087 -kubeconfig