k8s: add resource limits to deployments

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

kubernetes-manifests/checkoutservice.yaml

@@ -26,6 +26,13 @@ spec:
             value: "currencyservice:7000"
           - name: CART_SERVICE_ADDR
             value: "cartservice:9999"
+          resources:
+            requests:
+              cpu: 100m
+              memory: 64Mi
+            limits:
+              cpu: 200m
+              memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/currencyservice.yaml

@@ -13,6 +13,13 @@ spec:
         image: currencyservice
         ports:
         - containerPort: 7000
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/emailservice.yaml

@@ -13,6 +13,13 @@ spec:
         image: emailservice
         ports:
         - containerPort: 5000
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/paymentservice.yaml

@@ -13,6 +13,13 @@ spec:
         image: paymentservice
         ports:
         - containerPort: 50051
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/productcatalogservice.yaml

@@ -13,6 +13,13 @@ spec:
         image: productcatalogservice
         ports:
         - containerPort: 3550
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/recommendationservice.yaml

@@ -16,6 +16,13 @@ spec:
         env:
         - name: PRODUCT_CATALOG_SERVICE_ADDR
           value: "productcatalogservice:3550"
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/shippingservice.yaml

@@ -13,6 +13,13 @@ spec:
         image: shippingservice
         ports:
         - containerPort: 50051
+        resources:
+          requests:
+            cpu: 100m
+            memory: 64Mi
+          limits:
+            cpu: 200m
+            memory: 128Mi
 ---
 apiVersion: v1
 kind: Service