feat: add backup and restore scripts

backup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# List of volume names
+volumes=("selfhosted-owncloud_certs" "selfhosted-owncloud_ocis-config" "selfhosted-owncloud_ocis-data" "selfhosted-owncloud_wopi-recovery")
+
+# Destination directory for backup
+backup_dir=$(pwd)
+
+# Loop through the volumes and create backups
+for volume in "${volumes[@]}"; do
+    echo "Backing up volume: $volume"
+    docker run --rm -v "$volume":/volume -v "$backup_dir":/backup alpine:latest tar -czvf "/backup/$volume-backup.tar.gz" -C /volume .
+    echo "Backup of volume $volume completed."
+done
+
+echo "All backups completed."