Hands-On Serverless Computing

S3 bucket

We need an Amazon S3 bucket to which the photos can be uploaded for further processing. Let's learn about S3 first.

Amazon S3 is object storage built to store and retrieve any amount of data from any location. You can learn more about Amazon S3 at https://aws.amazon.com/s3/:

You can have AWS Lambda functions invoked to process Amazon S3 events, such as object created or object deleted events. You can have the AWS Lambda function invoked whenever a new photo is created in an Amazon S3 bucket, which will automatically create a thumbnail for the photo that was uploaded to the S3 bucket.

Here is a screenshot of an AWS Lambda configuration ...