nginx_CD_chart/mysql-chart/templates/statefulset.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata: 
  name: mysql
  namespace: {{ .Values.namespace }}
spec:
  serviceName: mysql
  replicas: 1
  selector:
    matchLabels: {app: mysql}
  template:
    metadata:
      labels: {app: mysql}
    spec:
      containers:
      - name: mysql
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        env:
        - name: MYSQL_DATABASE
          value: {{ .Values.mysql.database }}
        - name: MYSQL_USER
          value: {{ .Values.mysql.username }}
        - name: MYSQL_PASSWORD
          valueFrom: {secretKeyRef: {name: mysql-secret,key: MYSQL_PASSWORD}}
        - name: MYSQL_ROOT_PASSWORD
          valueFrom: {secretKeyRef: {name: mysql-secret,key: MYSQL_ROOT_PASSWORD}}
        volumeMounts:
        - name: mysql-data
          mountPath: /var/lib/mysql
  volumeClaimTemplates:
  - metadata: {name: mysql-data}
    spec:
      accessModes: ["ReadWriteOnce"]
      storageClassName: {{ .Values.storage.storageClass }}
      resources:
        requests:
          storage: {{ .Values.storage.size }}