docker run -d --name mysqld-exporter \
  -p 9104:9104 \
  -e DATA_SOURCE_NAME=exporter:pass@(mysql:3306)/ \
  docker.io/bitnamilegacy/mysqld-exporter:latest

docker run -d --name mysqld-exporter \
  --restart unless-stopped \
  -p 9104:9104 \
  -e DATA_SOURCE_NAME=exporter:pass@(mysql.internal:3306)/ \
  docker.io/bitnamilegacy/mysqld-exporter:0.15.0

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysqld-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysqld-exporter
  template:
    metadata:
      labels:
        app: mysqld-exporter
    spec:
      containers:
        - name: exporter
          image: docker.io/bitnamilegacy/mysqld-exporter:0.15.0
          ports:
            - containerPort: 9104
          envFrom:
            - secretRef:
                name: mysqld-exporter-creds
---
apiVersion: v1
kind: Service
metadata:
  name: mysqld-exporter
spec:
  selector:
    app: mysqld-exporter
  ports:
    - port: 9104
      targetPort: 9104