mysql_deployment.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: mysql
  namespace: kubernetes-for-laravel
  labels:
    tier: backend
spec:
  replicas: 1
  serviceName: 'mysql'
  selector:
    matchLabels:
      app: mysql
      tier: backend
  template:
    metadata:
      labels:
        app: mysql
        tier: backend
    spec:
      volumes:
        - name: mysql
          persistentVolumeClaim:
            claimName: mysql-pv-claim
      containers:
        - name: mysql
          image: mysql:8.0
          env:
            - name: MYSQL_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  key: password
                  name: mysql-password
            - name: MYSQL_DATABASE
              valueFrom:
                configMapKeyRef:
                  name: laravel-env
                  key: DB_DATABASE
          ports:
            - containerPort: 3306
          volumeMounts:
            - name: mysql
              mountPath: /var/lib/mysql