A common thing that people sometimes forget when dealing with file uploads is to remove the temporary files after they're done with them.
Let's create an application that allows the user to upload an image and list its properties. We will first need to install the express, gm, connect-multiparty, and ejs modules, using the following command:
$ npm i express gm connect-multiparty ejs
Note
For the gm module to work properly, we also need to install GraphicsMagick and ImageMagick. For more details, check out the NPM page for the module at https://www.npmjs.org/package/gm.
First, let's create the home.html template file inside the /views folder, using the following code:
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Uploading files</title>
</head>
<body>
<h1>Upload file</h1>
<form action="/files" method="POST" enctype="multipart/form-data">
<div>
<label for...