Try to fix deployment

jupyter/overlays/test/deployment.yml

@@ -1,15 +1,17 @@
 apiVersion: v1
 kind: Pod
 spec:
-  containers:
+  template:
-      ports:
+    spec:
-        - containerPort: 8081
+      containers:
-          name: http
+        ports:
-          protocol: TCP
+          - containerPort: 8081
-        - containerPort: 8082
+            name: http
-          name: refresh-token
+            protocol: TCP
-          protocol: TCP
+          - containerPort: 8082
-  hostAliases:
+            name: refresh-token
-    - hostnames:
+            protocol: TCP
-        - hub
+      hostAliases:
-      ip: 127.0.0.1
+        - hostnames:
+            - hub
+          ip: 127.0.0.1