There is an alpha feature: https://kubernetes.io/docs/concepts/workloads/pods/ephemeral-containers/ https://kubernetes.io/docs/concepts/workloads/pods/ephemeral

There is an alpha feature: https://kubernetes.io/docs/concepts/workloads/pods/ephemeral-containers/ https://kubernetes.io/docs/concepts/workloads/pods/ephemeral... Otherwise you have to prepare in advance and add a small sidecar to all pods that need it