The software described in this documentation is either no longer supported or is in extended support.
Oracle recommends that you upgrade to a current supported release.
To change the number of instances of the same pod that you are running, you can use the kubectl scale deployment command:
$ kubectl scale deployment --replicas=3
hello-world
deployment.apps/hello-world scaled
You can check that the number of pod instances has been scaled appropriately:
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
hello-world-5f55779987-tswmg 1/1 Running 0 18s
hello-world-5f55779987-v8w5h 1/1 Running 0 26m
hello-world-5f55779987-wd857 1/1 Running 0 18s