CodePipeline

React continuous deployments from Github to S3

Certificate Manager

How to create a static website in S3 and use CloudFront to serve it through HTTPS (using free SSL)

IAM

How to share S3 Buckets across AWS accounts with IAM Roles

Route53

How to redirect a root (apex) domain to another domain with Route53

Redshift

How to load (import) CSV files from S3 into Redshift using the COPY command

S3

S3 Events – how to send email notifications with SNS whenever someone uploads or deletes an object

EC2

Auditing resource compliance and performing automatic remediation with AWS Config

Athena

How to query CSV files on S3 with Amazon Athena