BZ:1886814 Updated image repository from MyBox to RedHat

Author: mjpytlak

modules/nodes-containers-init-creating.adoc

@@ -3,7 +3,7 @@
 // * nodes/nodes-containers-init.adoc
 
 [id="nodes-containers-init-creating_{context}"]
-= Creating Init Containers 
+= Creating Init Containers
 
 The following example outlines a simple Pod which has two Init Containers. The first waits for `myservice` and the second waits for `mydb`. After both containers complete, the pod begins.
 
@@ -22,15 +22,15 @@ metadata:
 spec:
   containers:
   - name: myapp-container
-    image: busybox
+    image: registry.access.redhat.com/ubi8/ubi:latest
     command: ['sh', '-c', 'echo The app is running! && sleep 3600']
   initContainers:
   - name: init-myservice
-    image: busybox
-    command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;']
+    image: registry.access.redhat.com/ubi8/ubi:latest
+    command: ['sh', '-c', 'until getent hosts myservice; do echo waiting for myservice; sleep 2; done;']
   - name: init-mydb
-    image: busybox
-    command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;']
+    image: registry.access.redhat.com/ubi8/ubi:latest
+    command: ['sh', '-c', 'until getent hosts mydb; do echo waiting for mydb; sleep 2; done;']
 ----
 
 . Create a YAML file for the `myservice` service.
@@ -66,7 +66,7 @@ spec:
 . Run the following command to create the `myapp-pod`:
 +
 [source,terminal]
----- 
+----
 $ oc create -f myapp.yaml
 ----
 +
@@ -90,7 +90,7 @@ NAME                          READY     STATUS              RESTARTS   AGE
 myapp-pod                     0/1       Init:0/2            0          5s
 ----
 +
-Note that the pod status indicates it is waiting 
+Note that the pod status indicates it is waiting
 
 . Run the following commands to create the services:
 +
@@ -117,4 +117,3 @@ $ oc get pods
 NAME                          READY     STATUS              RESTARTS   AGE
 myapp-pod                     1/1       Running             0          2m
 ----
-