StorageClass:

kubernetes.io/no-provisioner, что означает, что управление хранилищем будет выполняться вручную, и вам нужно заранее создать директории на узлах, как будет указано в PV (PersistentVolume).

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
 name: local-storage
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer

PersistentVolume (PV) и PersistentVolumeClaim (PVC):

apiVersion: v1
kind: PersistentVolume
metadata:
 name: mysql-pv
spec:
 capacity:
 storage: 1Gi
 accessModes:
 - ReadWriteOnce
 storageClassName: local-storage
 hostPath:
 path: /mnt/k8s/mysql-data      #Убедитесь, что эта директория существует на узлах
---
apiVersion: v1
kind: PersistentVolume
metadata:
 name: joomla-pv
spec:
 capacity:
 storage: 1Gi
 accessModes:
 - ReadWriteOnce
 storageClassName: local-storage
 hostPath:
 path: /mnt/k8s/joomla-data
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
 name: mysql-pvc
spec:
 accessModes:
 - ReadWriteOnce
 resources:
 requests:
 storage: 1Gi                    #Не должен привышать capasity в PV
 storageClassName: local-storage
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
 name: joomla-pvc
spec:
 accessModes:
 - ReadWriteOnce
 resources:
 requests:
 storage: 1Gi
storageClassName: local-storage

Secrets:

Cекреты для хранения чувствительных данных, таких как пароли для базы данных MySQL и Joomla.

apiVersion: v1
data:
 .dockerconfigjson: <base64>
kind: Secret
metadata:
 name: gldr-secrets
type: kubernetes.io/dockerconfigjson
---
apiVersion: v1
kind: Secret
metadata:
 name: mysql-secrets
type: Opaque
data:
 mysql-root-password: <base64>
 mysql-user: <base64>
 mysql-password: <base64>
---
apiVersion: v1
kind: Secret
metadata:
 name: joomla-secrets
type: Opaque
data:
 JOOMLA_DB_PASSWORD: <base64>
 JOOMLA_DB_USER: <base64>

Deployments && Services:

apiVersion: apps/v1
kind: Deployment
metadata:
 name: mysql
 labels:
 app: mysql
spec:
 replicas: 1
 selector:
 matchLabels:
 app: mysql
 template:
 metadata:
 labels:
 app: mysql
 spec:
 containers:
 - name: mysql
 image: registry.devopz.space/kowalski/devopz/mysql:5.7
 resources:
 limits:
 cpu: "100m"
 memory: "100Mi"
 env:
 - name: MYSQL_ROOT_PASSWORD
 valueFrom:
 secretKeyRef:
 name: mysql-secrets
 key: mysql-root-password
 - name: MYSQL_DATABASE
 value: jdb
 - name: MYSQL_USER
 valueFrom:
 secretKeyRef:
 name: mysql-secrets
 key: mysql-user
 - name: MYSQL_PASSWORD
 valueFrom:
 secretKeyRef:
 name: mysql-secrets
 key: mysql-password
 ports:
 - containerPort: 3306
 volumeMounts:
 - name: mysql-persistent-storage
 mountPath: /var/lib/mysql
 imagePullSecrets:
 - name: gldr-secrets
 volumes:
 - name: mysql-persistent-storage
 persistentVolumeClaim:
 claimName: mysql-pvc
---
apiVersion: v1
kind: Service
metadata:
 name: mysql
spec:
 selector:
 app: mysql
 ports:
 - protocol: TCP
 port: 3306
 targetPort: 3306
 clusterIP: None
---
apiVersion: apps/v1
kind: Deployment
metadata:
 name: joomla
spec:
 replicas: 1
 selector:
 matchLabels:
 app: joomla
 template:
 metadata:
 annotations:
 rollme: "now" #Перезапускать Pod при изменении конфигурации
 labels:
 app: joomla
 spec:
 containers:
 - name: joomla
 image: registry.devopz.space/kowalski/devopz/joomla:3.10.11-php7.4-apache
 resources:
 limits:
 cpu: "100m"
 memory: "100Mi"
 env:
 - name: JOOMLA_DB_HOST
 value: mysql
 - name: JOOMLA_DB_USER
 valueFrom:
 secretKeyRef:
 name: joomla-secrets
 key: JOOMLA_DB_USER
 - name: JOOMLA_DB_PASSWORD
 valueFrom:
 secretKeyRef:
 name: joomla-secrets
 key: JOOMLA_DB_PASSWORD
 - name: JOOMLA_DB_NAME
 value: jdb
 ports:
 - containerPort: 80
 imagePullSecrets:
 - name: gldr-secrets
 volumes:
 - name: joomla-persistent-storage
 persistentVolumeClaim:
 claimName: joomla-pvc
---
apiVersion: v1
kind: Service
metadata:
 name: joomla
spec:
 selector:
 app: joomla
 ports:
 - protocol: TCP
 port: 80
 targetPort: 80
 type: NodePort