Exercise 10.1 – Amazon S3 event notification using Amazon SNS

In the previous chapter, you designed, architected, and deployed a complete web application using several AWS services. One such service was the Amazon S3 service, where you created a bucket to host your application source code repository. The source code was comprised of multiple files that helped you build your web application.

Maintaining this source code is of paramount importance and any changes that are made to the code need to be monitored. There are several best practice strategies you can use to manage your source code, including using DevOps principles. In this exercise, your senior administrator, Alice, would like to know whenever a new file (object) gets uploaded to this source code repository, which is stored in the Amazon S3 bucket.

Amazon S3 comes with a feature known as event notifications. This feature enables you to receive notifications when certain events occur in your S3 bucket, such as...