$ oc new-project buildconfig-demo
oc import-image node:16 --from=image-registry.openshift-image-registry.svc:5000/openshift/nodejs:16-ubi8 --confirm -n buildconfig-demo
$ oc create imagestream demo-app
$ oc apply -f 02-demo-app-imagestream.yaml
$ oc apply -f 03-BuildConfig.yaml
$ oc start-build demo-buildconfig
$ oc logs -f build/demo-buildconfig-1
$ oc new-app demo-app --name=demo-app1
$ oc expose service/demo-app1