apiVersion: v1
kind: Secret
type: Opaque
metadata:
  name: mysql-env
  namespace: royalcat-blog
  labels:
    app: mysql
stringData:
  MYSQL_ROOT_PASSWORD: HuSo6WbDao9Qv3
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-pvc
  namespace: royalcat-blog
  labels:
    app: mysql
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mysql
  namespace: royalcat-blog
  labels:
    app: mysql
spec:
  serviceName: mysql
  replicas: 1
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: mysql
          image: docker.io/mysql:8.4
          envFrom:
            - secretRef:
                name: mysql-env
          resources:
            requests:
              memory: 500Mi
              cpu: 300m
            limits:
              memory: 1Gi
              cpu: 900m
          ports:
            - name: mysql
              containerPort: 3306
          volumeMounts:
            - name: mysql-volume
              mountPath: /var/lib/mysql
              readOnly: false
      volumes:
        - name: mysql-volume
          persistentVolumeClaim:
            claimName: mysql-pvc
---
apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: royalcat-blog
  labels:
    app: mysql
spec:
  type: ClusterIP
  selector:
    app: mysql
  ports:
    - name: "3306"
      port: 3306
      protocol: TCP
      targetPort: 3306