定期バックアップ機能の追加

values.yaml

@@ -52,8 +52,8 @@ securityContext:
     runAsUser: 82
 
 service:
- # type: ClusterIP
   type: LoadBalancer
+  # type: ClusterIP
   port: 80
   targetPort: 8080
   annotations: {}
@@ -203,3 +203,106 @@ podDisruptionBudget:
   enabled: true
   minAvailable: 1
   # maxUnavailable: 1
+
+# MySQL Backup Configuration
+backup:
+  # Enable or disable backup functionality
+  enabled: false
+  
+  # Cron schedule (default: daily at 2 AM)
+  # Examples:
+  #   "0 2 * * *"     - Daily at 2 AM
+  #   "0 */6 * * *"   - Every 6 hours
+  #   "0 0 * * 0"     - Weekly on Sunday at midnight
+  #   "0 3 * * 1-5"   - Weekdays at 3 AM
+  schedule: "0 2 * * *"
+  
+  # Backup job history
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 3
+  backoffLimit: 3
+  
+  # Concurrency policy: Allow, Forbid, Replace
+  concurrencyPolicy: Forbid
+  
+  # Suspend backup jobs
+  suspend: false
+  
+  # Pod annotations for backup jobs
+  podAnnotations: {}
+  
+  # Backup image configuration
+  image:
+    registry: docker.io
+    repository: mysql
+    tag: "8.0"
+    pullPolicy: IfNotPresent
+  
+  # MySQL credentials for backup
+  # Note: host and port are inherited from phpmyadmin.hosts[0]
+  mysql:
+    # MySQL backup user credentials
+    user: ""
+    password: ""
+    
+    # Or use existing secret
+    existingSecret: ""
+    userKey: "mysql-user"
+    passwordKey: "mysql-password"
+  
+  # Databases to backup (if empty, backs up all non-system databases)
+  databases: []
+  # databases:
+  #   - myapp_db
+  #   - analytics_db
+  
+  # Backup destination path
+  destinationPath: "/backup"
+  
+  # Compression settings
+  compression:
+    enabled: true
+    # Compression level 1-9 (1=fastest, 9=best compression)
+    level: 6
+  
+  # Retention policy
+  retention:
+    enabled: true
+    # Delete backups older than N days
+    days: 30
+  
+  # Storage configuration
+  # Option 1: Use PersistentVolumeClaim
+  persistence:
+    storageClass: ""
+    accessMode: ReadWriteMany
+    size: 50Gi
+    annotations: {}
+  
+  # Option 2: Use existing PVC
+  existingClaim: ""
+  
+  # Option 3: Use NFS
+  nfs:
+    enabled: false
+    server: "nfs-server.example.com"
+    path: "/exports/mysql-backups"
+    readOnly: false
+  
+  # Resource limits
+  resources:
+    limits:
+      cpu: 1000m
+      memory: 1Gi
+    requests:
+      cpu: 500m
+      memory: 512Mi
+  
+  # Node selector (inherits from global nodeSelector if not set)
+  nodeSelector: {}
+  
+  # Tolerations (inherits from global tolerations if not set)
+  tolerations: []
+  
+  # Affinity (inherits from global affinity if not set)
+  affinity: {}