deploy-mysql.yml

# mysql-pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
  name: mysql-pv
spec:
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: /data/mysql


---

# mysql-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: payment-gateway-mysql
spec:
  replicas: 3
  selector:
    matchLabels:
      app: payment-gateway-mysql
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: payment-gateway-mysql
    spec:
      containers:
        - name: mysql
          image: mysql:8.0
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: password
            - name: MYSQL_ROOT_HOST
              value: '%'
          ports:
            - containerPort: 3306
          volumeMounts:
            - name: mysql-persistent-storage
              mountPath: /var/lib/mysql

      volumes:
        - name: mysql-persistent-storage


---

# mysql-service.yaml
apiVersion: v1
kind: Service
metadata:
  name: payment-gateway-mysql
spec:
  selector:
    app: payment-gateway-mysql
  ports:
    - port: 3306