Multer S3
Multer S3 is a Node.js library that integrates Multer (a middleware for handling multipart/form-data, primarily used for file uploads) with Amazon S3 (Simple Storage Service). It allows developers to directly upload files from web forms to S3 buckets without storing them temporarily on the server, streamlining the file upload process in web applications. This library is commonly used in Express.js applications to handle file uploads efficiently and securely.
Developers should use Multer S3 when building web applications that require file uploads, such as image galleries, document management systems, or user profile picture uploads, and want to leverage Amazon S3 for scalable and reliable cloud storage. It is particularly useful in scenarios where server-side storage is limited or when aiming to reduce server load by offloading file handling to S3, ensuring faster uploads and better performance in distributed environments.