prom-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
  namespace: monitoring
  labels:
    app: prometheus-demo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      serviceAccountName: prometheus
      containers:
        - name: prometheus
          image: prom/prometheus:v2.28.1  #v2.47.2
          args:
            - "--config.file=/etc/prometheus/prometheus.yml"
            - "--storage.tsdb.path=/prometheus/"
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: prometheus-config
              mountPath: /etc/prometheus/
            - name: prometheus-storage
              mountPath: /prometheus/
      volumes:
        - name: prometheus-config
          configMap:
            defaultMode: 420
            name: prometheus-config
        - name: prometheus-storage
          emptyDir: {}

# kubectl expose deployment prometheus -n monitoring --port=9090 --target-port=9090