apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      serviceAccountName: prometheus
      nodeSelector:
        kubernetes.io/hostname: raspberrypi
      containers:
        - name: prometheus
          image: prom/prometheus:v2.52.0
          args:
            - --config.file=/etc/prometheus/prometheus.yml
            - --storage.tsdb.path=/prometheus
            - --storage.tsdb.retention.time=7d
            - --web.enable-lifecycle
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: prometheus-config
              mountPath: /etc/prometheus
            - name: prometheus-data
              mountPath: /prometheus
          resources:
            requests:
              memory: "256Mi"
              cpu: "200m"
            limits:
              memory: "1Gi"
              cpu: "500m"
      volumes:
        - name: prometheus-config
          configMap:
            name: prometheus-config
        - name: prometheus-data
          persistentVolumeClaim:
            claimName: prometheus-data-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: prometheus
spec:
  type: NodePort
  selector:
    app: prometheus
  ports:
    - name: http
      port: 9090
      targetPort: 9090
      nodePort: 30390
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus
  namespace: default