JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dropzone/4.0.1/basic.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dropzone/4.0.1/dropzone.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/4.0.1/dropzone.js"></script>
<form action="/" class="dropzone">
    <div class="fallback">
        <input name="files" type="file" multiple />
    </div>
</form>

JavaScript

Dropzone.autoDiscover = false;

var myDropzone = new Dropzone('form', {
    paramName: 'files',
    autoProcessQueue: false,
    uploadMultiple: true,
    parallelUploads: 25,
    maxFiles: 1
});