There is a little problem here, if i upload a file, i remove it and i want to upload the same image again, it doesnt work

the issue for me was add "true" to clone:

$('.file-upload-input').replaceWith($('.file-upload-input').clone(true));

You should not clone the input but replace with "<input class="file-upload-input" type="file" onchange="readURL(this);" accept="image/*">", seems like clone dont clear the input from the precedent image.

the issue for me was add "true" to clone:

$('.file-upload-input').replaceWith($('.file-upload-input').clone(true));