mysql.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-deployment
spec:
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - image: mysql:8.0
        name: mysql-container
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: root-password
        - name: MYSQL_DATABASE
          value: wordpress
        ports:
        - containerPort: 3306
          name: mysql
---
apiVersion: v1
kind: Service
metadata:
  name: mysql-service
spec:
  ports:
  - port: 3306
  selector:
    app: mysql

wordpress.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: wordpress-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: wp
  template:
    metadata:
      labels:
        app: wp
    spec:
      containers:
        - name: wordpress-container
          image: wordpress:6.0-apache
          ports:
            - containerPort: 80
          env:
            - name: WORDPRESS_DB_HOST
              value: mysql-service
            - name: WORDPRESS_DB_USER
              value: root
            - name: WORDPRESS_DB_PASSWORD
              value: root-password
---
apiVersion: v1
kind: Service
metadata:
  name: wordpress-service
spec:
  type: NodePort
  ports:
    - name: "http-port"
      protocol: "TCP"
      port: 8080
      targetPort: 80
  selector:
    app: wp