Node.js Image Uploads: Using Multer to Store Files Locally (2026)
Learn how to handle file uploads in your Node.js backend using the powerful Multer middleware. In this video, we go step-by-step through setting up a server, configuring Multer storage, and testing your API endpoints using Postman.
What we cover in this video:
Setting up a basic Express.js server for file uploads.
Configuring Multer disk storage for local directory persistence.
Creating the POST route to receive and save files.
Testing the endpoint using Postman (Multipart Form-Data).
Best practices for handling file extensions and naming.