title: Updating Grafana configuration file to configure custom SMTP settings
body: <p>I used HELM to install the Prometheus operator and kube-prometheus into my kubernetes cluster using the following commands:</p>
  
  <pre><code>helm install coreos/prometheus-operator --name prometheus-operator --namespace monitoring --set rbacEnable=false
  helm install coreos/kube-prometheus --name kube-prometheus --set global.rbacEnable=false --namespace monitoring 
  </code></pre>
  
  <p>Everything is running fine, however, I want to set up email alerts and in order to do so I must configure the SMTP settings in "custom.ini" file according to the grafana website. I am fairly new to Kuberenetes and using HELM charts, therefore I have no idea which command I would use to access this file or make updates to it? Is it possible to do so without having to redeploy?</p>
  
  <p>Can anyone provide me with a command to update custom values?</p>