fix indentation in service yaml files

kubernetes-manifests/currencyservice.yaml

@@ -33,8 +33,8 @@ spec:
         - name: grpc
           containerPort: 7000
         env:
-          - name: PORT
-            value: "7000"
+        - name: PORT
+          value: "7000"
         readinessProbe:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:7000"]

kubernetes-manifests/emailservice.yaml

@@ -32,8 +32,8 @@ spec:
         ports:
         - containerPort: 8080
         env:
-          - name: PORT
-            value: "8080"
+        - name: PORT
+          value: "8080"
         readinessProbe:
           periodSeconds: 5
           exec:

kubernetes-manifests/productcatalogservice.yaml

@@ -32,8 +32,8 @@ spec:
         ports:
         - containerPort: 3550
         env:
-          - name: PORT
-            value: "3550"
+        - name: PORT
+          value: "3550"
         readinessProbe:
           exec:
             command: ["/bin/grpc_health_probe", "-addr=:3550"]