onfig
cluster or not. A new variable <code>values.global.configCluster</code> is used to enable/disable the resources needed
in a config cluster:</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>components:
  base:
    enabled: false
  pilot:
    enabled: false
  istiodRemote:
    enabled: true
values:
  global:
    externalIstiod: true
    configCluster: true
</code></pre><h2 id=host-header-fallback-disabled-by-default-for-prometheus-metrics-for-all-inbound-traffic>Host header fallba