prom-deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus
  namespace: stats
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      name: prometheus
      labels:
        app: prometheus
    spec:
      containers:
      - name: prometheus
        image: prom/prometheus:latest
        args:
        - "--config.file=/etc/prometheus/config/prometheus.yaml"
        ports:
        - containerPort: 9090
        volumeMounts:
        - name: config-volume
          mountPath: /etc/prometheus/config
        - name: data-volume
          mountPath: /data
      volumes:
      - name: config-volume
        configMap:
          name: prometheus-config
      - name: data-volume
        emptyDir: {}

https://glassonion.hatenablog.com/entry/2020/04/21/220351