how can i user IFormFile to store and preview the image on application

public IActionResult PreviewImage()
{
    string fileName = TempData["ImageFileName"]?.ToString();

    if (string.IsNullOrEmpty(fileName))
    {
        return RedirectToAction("UploadImage");
    }

    string filePath = Path.Combine(_hostingEnvironment.WebRootPath, "images", fileName);

    return View((object)filePath);
}

[HttpPost]
public async Task UploadImage(IFormFile imageFile)
{
    if (imageFile != null && imageFile.Length > 0)
    {
        // Generate a unique file name to prevent overwriting
        string fileName = Guid.NewGuid().ToString() + Path.GetExtension(imageFile.FileName);

        // Create a path to store the file
        string filePath = Path.Combine(_hostingEnvironment.WebRootPath, "images", fileName);

        // Save the file
        using (var fileStream = new FileStream(filePath, FileMode.Create))
        {
            await imageFile.CopyToAsync(fileStream);
        }

        // Store the file name in TempData to display it on the preview page
        TempData["ImageFileName"] = fileName;

        return RedirectToAction("PreviewImage");
    }

    return View();
}