BBCHANGES

Added at the bottom of the values file are changes to support Istio, monitoring, and optional network policies.

domain: bigbang.dev

OpenShift:
  enabled: false
istio:
  enabled: false

monitoring:
  enabled: false

networkPolicies:
  enabled: false
  ingressLabels: 
    app: istio-ingressgateway
    istio: ingressgateway
  controlPlaneCidr: 0.0.0.0/0
  egressHttps:
    enabled: true

Incremented replicas to establish a minimal High-Availability deployment w/ podAntiAffinity to ensure pods are scheduled to different nodes

upstream:
  replicas: 2

  affinity:
    podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
          matchExpressions:
          - key: app
            operator: In
            values:
            - metrics-server
        topologyKey: "kubernetes.io/hostname"

Network policies have been added under chart/templates/bigbang/networkpolicies