Migrate k8s.gcr.io to registry.k8s.io

cassandra/image/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM k8s.gcr.io/debian-base-amd64:0.3
+FROM registry.k8s.io/debian-base-amd64:0.3
 
 ARG BUILD_DATE
 ARG VCS_REF

guestbook-go/guestbook-controller.yaml

@@ -15,7 +15,7 @@ spec:
     spec:
       containers:
       - name: guestbook
-        image: k8s.gcr.io/guestbook:v3
+        image: registry.k8s.io/guestbook:v3
         ports:
         - name: http-server
           containerPort: 3000

guestbook-go/redis-master-controller.yaml

@@ -18,7 +18,7 @@ spec:
     spec:
       containers:
       - name: redis-master
-        image: k8s.gcr.io/redis:e2e
+        image: registry.k8s.io/redis:e2e
         ports:
         - name: redis-server
           containerPort: 6379

guestbook-go/redis-replica-controller.yaml

@@ -18,7 +18,7 @@ spec:
     spec:
       containers:
       - name: redis-replica
-        image: k8s.gcr.io/redis-slave:v2
+        image: registry.k8s.io/redis-slave:v2
         ports:
         - name: redis-server
           containerPort: 6379