Handling File Uploads in Express with Multer

Short summary

Tutorial on handling file uploads in Express using Multer middleware. Covers multipart/form-data encoding, disk storage configuration with filename generation, and code examples for single and multiple file uploads. Explains how Multer extracts files from request streams and provides req.file/req.files objects for route handlers.

• •Multer is Node.js middleware for parsing multipart/form-data and extracting files from request streams
• •Disk storage configuration allows custom destination folders and filename generation to avoid collisions
• •Provides single and multiple file upload methods with req.file/req.files containing metadata like name, size, and path

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