db-pod.yaml

apiVersion: v1
kind: Pod
metadata:
  name: db
  labels:
    app: db
spec:
  containers:
    - name: mysql
      image: mysql:8.0
      env:
        - name: MYSQL_DATABASE
          value: exampledb
        - name: MYSQL_USER
          value: exampleuser
        - name: MYSQL_PASSWORD
          value: examplepass
        - name: MYSQL_RANDOM_ROOT_PASSWORD
          value: '1'
      volumeMounts:
        - mountPath: /var/lib/mysql
          name: db-storage
  volumes:
    - name: db-storage
      persistentVolumeClaim:
        claimName: db-pvc