*: set lower resource requests

manifests/examples/example-app/prometheus-frontend.yaml

@@ -11,3 +11,10 @@ spec:
   - selector:
       matchLabels:
         tier: frontend
+  resources:
+    requests:
+      # 2Gi is default, but won't schedule if you don't have a node with >2Gi
+      # memory. Modify based on your target and time-series count for
+      # production use. This value is mainly meant for demonstration/testing
+      # purposes.
+      memory: 400Mi

manifests/prometheus/prometheus-k8s.yaml

@@ -6,3 +6,10 @@ metadata:
     prometheus: k8s
 spec:
   version: v1.3.0
+  resources:
+    requests:
+      # 2Gi is default, but won't schedule if you don't have a node with >2Gi
+      # memory. Modify based on your target and time-series count for
+      # production use. This value is mainly meant for demonstration/testing
+      # purposes.
+      memory: 400Mi