Use Presigned URL to upload files into AWS S3

In this blog post, I will be walking through the steps as to how we can utilize the presigned url feature to upload files into AWS S3. Serverless will be used to spin up the necessary AWS resources for this post.

Why do we need a Presigned URL in the first place?

Presigned URL can be used in an instance such as the customer/user wants to upload a file into an S3 bucket, of which he/she doesn’t have access privileges to do so. Hence this mechanism can be used as a secured way of allowing…