prometheus-operator/contrib/prometheus-config-reloader/examples/prometheus-config-reloader.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config-reloader-example
data:
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus-config-reloader
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: prometheus-config-reloader
    spec:
      volumes:
      - name: rules
        emptyDir: {}
      - name: config
        configMap:
          name: prometheus-config-reloader-example
      containers:
      - name: ubuntu
        image: ubuntu
        command: ["sleep", "3600"]
        volumeMounts:
        - name: rules
          mountPath: /etc/prometheus/rules
          readOnly: true
      - name: prometheus-config-reloader
        image: quay.io/coreos/prometheus-config-reloader:v0.0.4
        args:
        - '-config-volume-dir=/etc/prometheus/config'
        - '-rule-volume-dir=/etc/prometheus/rules'
        - '-reload-url=http://localhost:9090/-/reload'
        resources:
          requests:
            memory: "16Mi"
            cpu: "50m"
          limits:
            memory: "32Mi"
            cpu: "100m"
        volumeMounts:
        - name: config
          readOnly: true
          mountPath: /etc/prometheus/config
        - name: rules
          mountPath: /etc/prometheus/rules