73 lines
1.7 KiB
YAML
73 lines
1.7 KiB
YAML
# 01-mysql.yaml (新版)
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# --- 第一部分：申请一张硬盘券 (PVC) ---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: mysql-pvc # 记住这个券的名字
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namespace: demo-space
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spec:
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accessModes:
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- ReadWriteOnce # 只能被一个节点读写
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storageClassName: longhorn # K3s 默认的存储驱动，利用 VPS 本地硬盘
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resources:
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requests:
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storage: 2Gi # 申请 2GB 大小
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---
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# --- 第二部分：数据库服务 (不变) ---
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apiVersion: v1
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kind: Service
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metadata:
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name: mysql-service
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namespace: demo-space
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spec:
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ports:
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- port: 3306
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selector:
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app: wordpress-mysql
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---
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# --- 第三部分：部署数据库 (挂载硬盘) ---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: wordpress-mysql
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namespace: demo-space
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spec:
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selector:
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matchLabels:
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app: wordpress-mysql
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strategy:
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type: Recreate # 有状态应用建议用 Recreate (先关旧的再开新的)
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template:
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metadata:
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labels:
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app: wordpress-mysql
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spec:
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containers:
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- image: mariadb:10.6.4-focal
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name: mysql
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env:
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- name: MYSQL_ROOT_PASSWORD
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value: "password123"
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- name: MYSQL_DATABASE
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value: "wordpress"
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- name: MYSQL_USER
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value: "wordpress"
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- name: MYSQL_PASSWORD
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value: "wordpress"
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ports:
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- containerPort: 3306
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name: mysql
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# ▼▼▼ 重点变化在这里 ▼▼▼
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volumeMounts:
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- name: mysql-store
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mountPath: /var/lib/mysql # 容器里数据库存文件的位置
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volumes:
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- name: mysql-store
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persistentVolumeClaim:
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claimName: mysql-pvc # 使用上面定义的那张券
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