apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus-deployment
  namespace: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus-server
  template:
    metadata:
      labels:
        app: prometheus-server
    spec:
      containers:
        - name: prometheus
          image: prom/prometheus:v2.2.1
          args:
            - "--config.file=/etc/prometheus/prometheus.yml"
            - "--storage.tsdb.path=/prometheus/"
            - "--web.enable-lifecycle"
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: prometheus-config-volume
              mountPath: /etc/prometheus/
            - name: prometheus-storage-volume
              mountPath: /prometheus/
        - name: watch
          image: weaveworks/watch:master-5b2a6e5
          imagePullPolicy: IfNotPresent
          args: ["-v", "-t", "-p=/etc/prometheus", "-p=/var/prometheus", "curl", "-X", "POST", "--fail", "-o", "-", "-sS", "http://localhost:9090/-/reload"]
          volumeMounts:
            - name: prometheus-config-volume
              mountPath: /etc/prometheus
      volumes:
        - name: prometheus-config-volume
          configMap:
            defaultMode: 420
            name: prometheus-server-conf

        - name: prometheus-storage-volume
          emptyDir: {}
