alertmanager-deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: alertmanager
spec:
  replicas: 1
  selector:
    matchLabels:
      app: alertmanager
  template:
    metadata:
      name: alertmanager
      labels:
        app: alertmanager
    spec:
      containers:
      - name: alertmanager
        image: prom/alertmanager:latest
        args:
          - '-config.file=/etc/alertmanager/config.yml'
          - '-storage.path=/alertmanager'
          - '-web.external-url=$(EXTERNAL_URL)/alertmanager'
        ports:
        - name: alertmanager
          containerPort: 9093
        env:
        - name: EXTERNAL_URL
          valueFrom:
            configMapKeyRef:
              name: external-url
              key: url
        volumeMounts:
        - name: config-volume
          mountPath: /etc/alertmanager
        - name: templates-volume
          mountPath: /etc/alertmanager-templates
        - name: alertmanager
          mountPath: /alertmanager
      volumes:
      - name: config-volume
        configMap:
          name: alertmanager
      - name: templates-volume
        configMap:
          name: alertmanager-templates
      - name: alertmanager
        emptyDir: {}