check if container is empty before invoking DeleteContainer (#9733)

cmd/gateway/azure/gateway-azure.go

@@ -624,6 +624,17 @@ func (a *azureObjects) ListBuckets(ctx context.Context) (buckets []minio.BucketI
 
 // DeleteBucket - delete a container on azure, uses Azure equivalent `ContainerURL.Delete`.
 func (a *azureObjects) DeleteBucket(ctx context.Context, bucket string, forceDelete bool) error {
+	if !forceDelete {
+		// Check if the container is empty before deleting it.
+		result, err := a.ListObjects(ctx, bucket, "", "", "", 1)
+		if err != nil {
+			return azureToObjectError(err, bucket)
+		}
+		if len(result.Objects) > 0 {
+			return minio.BucketNotEmpty{Bucket: bucket}
+		}
+	}
+
 	containerURL := a.client.NewContainerURL(bucket)
 	_, err := containerURL.Delete(ctx, azblob.ContainerAccessConditions{})
 	return azureToObjectError(err, bucket)