nest6.js

@Post()
@UseInterceptors(
    FileInterceptor('image', {
      storage: diskStorage({
        destination: './files',
        filename: editFileName,
      }),
      fileFilter: imageFileFilter,
    }),
  )
  async uploadedFile(@UploadedFile() file) {
    const response = {
      originalname: file.originalname,
      filename: file.filename,
    };
    return response;
  }

  @Post('multiple')
  @UseInterceptors(
    FilesInterceptor('image', 20, {
      storage: diskStorage({
        destination: './files',
        filename: editFileName,
      }),
      fileFilter: imageFileFilter,
    }),
  )
  async uploadMultipleFiles(@UploadedFiles() files) {
    const response = [];
    files.forEach(file => {
      const fileReponse = {
        originalname: file.originalname,
        filename: file.filename,
      };
      response.push(fileReponse);
    });
    return response;
  }