You are investigating issues in your production application that runs on Google Kubernetes Engine (GKE).

Create a new tag called stable that points to the previously working container, and change the deployment to point to the new tag.

Apply the latest tag to the previous container image, and do a rolling update on the deployment.

Build a new container from a previous Git tag, and do a rolling update on the deployment to the new container.

Alter the deployment to point to the sha2 56 digest of the previously working container.