---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      serviceAccountName: prometheus
      containers:
        - name: prometheus
          image: prom/prometheus:latest
          imagePullPolicy: IfNotPresent
          args:
            - '--storage.tsdb.retention.time=2h'
            - '--config.file=/etc/prometheus/prometheus.yml'
          ports:
            - containerPort: 9090
              name: http
          livenessProbe:
            httpGet:
              path: /-/healthy
              port: 9090
          readinessProbe:
            httpGet:
              path: /-/ready
              port: 9090
          resources:
            requests:
              cpu: 100m
              memory: 512Mi
            limits:
              cpu: 200m
              memory: 1Gi
          volumeMounts:
            - name: config-volume
              mountPath: /etc/prometheus
            - name: data-volume
              mountPath: /prometheus/data
      volumes:
        - name: config-volume
          configMap:
            name: prometheus
        - name: data-volume
          emptyDir: {}