yarn add bootstrap4c-dropzone

<link href="path/to/component-dropzone.css" rel="stylesheet">

<div id="dropzone" class="dropzone"></div>

Dropzone.autoDiscover = false;
jQuery(document).ready(function() {
  $("#dropzone").dropzone({
    url: "/file/post",
    dictDefaultMessage: "Drop files here or<br>click to upload..."
  });
});