kubectl port-forward
kubectl port-forward <pod|svc/name> <local>:<remote>
Risk: Safe
What it does
Opens a private tunnel from your laptop to one pod.
When to use it
To try an app from your browser without opening it to the world.
Example
$ kubectl port-forward svc/shop 8080:80localhost:8080 now reaches a shop pod.
Learn it in: Debug with port-forward · Official docs