Fixed deployment manifests (replicas)

deploy/pubsub-consumer-dep.yaml

@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: pubsub-consumer
 spec:
-  replica: 1
+  replicas: 1
   selector:
     matchLabels:
       app: pubsub-consumer

deploy/pubsub-producer-dep.yaml

@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: pubsub-producer
 spec:
-  replica: 1
+  replicas: 1
   selector:
     matchLabels:
       app: pubsub-producer