velotiotech:~/work/mysql$ cat templates/deployment.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "mysql.fullname" . }}
spec:
  selector:
    matchLabels:
      app: {{ include "mysql.name" . }}
  template:
    metadata:
      labels:
        app: {{ include "mysql.name" . }}
    spec:
      containers:
      - name: {{ .Chart.Name }}
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: {{ .Values.mysql_root_password }}
        ports:
        - containerPort: {{ .Values.service.port }}
          name: mysql
      volumes:
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: {{ .Values.persistentVolumeClaim }}