fix: copy file with long long running ctx

internal/services/backblaze/sync.go

@@ -34,9 +34,13 @@ func (b *BackBlaze) Sync(ctx context.Context) error {
 
 	b.logger.Infoln("bucket found:", bc.Name())
 	if b.options.FilePath != "" {
+		// Create a separate context for long-running operations
+		longRunningCtx, cancelLongRunningOps := context.WithCancel(context.Background())
+		defer cancelLongRunningOps()
+
 		b.logger.Infoln("file:", b.options.FilePath)
 
-		if err := b.copyFile(ctx, bc, b.options.FilePath); err != nil {
+		if err := b.copyFile(longRunningCtx, bc, b.options.FilePath); err != nil {
 			return fmt.Errorf("copyFile %w", err)
 		}
 		return nil