Storing Uploaded Files and Serving Them in Express

Hello readers 👋, welcome to the 13th blog in our Node.js series! In the last post, we learned how Multer helps us accept file uploads in Express, whether single files or multiple files. We configured a disk storage engine and saw how req.file and req.files give us all the details about what arrived. But one question remained unanswered: where do the uploaded files actually live, and how do clients get them back? Today we're going to close that loop. We'll talk about storage choices, how to se...