A custom helm values.yaml file for Prometheus Operator with Minikube

prometheus_operator_values_minikube.yaml

# values_minikube.yaml
# Tested with stable/prometheus-operator v4.3.6
# https://medium.com/@eduardobaitello/trying-prometheus-operator-with-helm-minikube-b617a2dccfa3
coreDns:
  service:
    selector:
      k8s-app: kube-dns

kubeControllerManager:
  service:
    selector:
      k8s-app: null
      component: kube-controller-manager

kubeEtcd:
  service:
    selector:
      k8s-app: null
      component: etcd

kubeScheduler:
  service:
    selector:
      k8s-app: null
      component: kube-scheduler

## Configuration for alertmanager
alertmanager:
  config:
    global:
      resolve_timeout: 5m
    route:
      group_by: ['job']
      group_wait: 30s
      group_interval: 5m
      repeat_interval: 12h
      receiver: 'slack'
      routes:
      - match:
          alertname: Watchdog
        receiver: 'null'
    # This inhibt rule is a hack from: https://stackoverflow.com/questions/54806336/how-to-silence-prometheus-alertmanager-using-config-files/54814033#54814033
    inhibit_rules:
      - target_match_re:
           alertname: '.+Overcommit'
        source_match:
           alertname: 'Watchdog'
        equal: ['prometheus']
    receivers:
    - name: 'null'
    - name: 'slack'
      slack_configs:
      - api_url: 'https://hooks.slack.com/services/YOUR_SLACK_WEBHOOK_HERE' # <--- REPLACE THIS WITH YOUR SLACK WEBHOOK
        send_resolved: true
        channel: '#notif-channel' # <--- REPLACE THIS WITH YOUR SLACK CHANNEL
        title: '[{{ .Status | toUpper }}{{ if eq .Status "firing" }}:{{ .Alerts.Firing | len }}{{ end }}] Monitoring Event Notification'
        text: |-
          {{ range .Alerts }}
            *Alert:* {{ .Labels.alertname }} - `{{ .Labels.severity }}`
            *Description:* {{ .Annotations.message }}
            *Graph:* <{{ .GeneratorURL }}|:chart_with_upwards_trend:> *Runbook:* <{{ .Annotations.runbook_url }}|:spiral_note_pad:>
            *Details:*
            {{ range .Labels.SortedPairs }} • *{{ .Name }}:* `{{ .Value }}`
            {{ end }}
          {{ end }}