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Raj Aryan @er-raj-aryan

Handling Large File Uploads With Node.js, Express, And AWS S3

Handling large file uploads with Node.js, Express & AWS S3: Create a microservice for multi-part uploads, breaking files into smaller chunks, and resuming failed uploads.

Handling large file uploads can be challenging, especially when you need reliability, reusability, and good performance. In this post, I'll walk through creating a micro service specifically designed for multi-part file uploads using Node.js, Express, and AWS S3.

  
  
  Why Multi-Part Uploads?

Traditional file uploads have several limitations:

Timeouts for large files
No resumability if connection drops
Memory pressure on servers
Slower upload speeds

Multi-part uploads solve these by:

Breaking files into smaller chunks
Uploading chunks independently
Parallel upload capability
Ability to...