text: Once you save the changes - nothing will happen. Five pods will still keep running as if nothing has happened. Let's check the image used by one of the pods:
  Notice it's referencing the busybox image, but there's no sign of the busybox:1.31.1 anywhere. Let's see what happens if we delete this same pod:
  From the previous test we did, we already know that ReplicaSet will bring up a new pod (hello-q8fnl in our case) to match the desired replica count. If we run describe against the new pod that came up, you will notice how the image is changed this time: