AWS Cognito

Implement AWS Cognito login and registration (Sign In and Sign Up) in React JS

API Gateway

Upload large files to S3 with API Gateway and Lambda: Overcoming Size Limitations using pre-signed URLs

S3

How to set up S3 Lifecycle Rules to save on S3 costs

S3

How to use S3 Versioning to store multiple versions of your files

S3

How to set up S3 Replication – including Cross Region Replication

AWS Services

The Top AWS services every developer should know

EC2

Assign permissions to EC2 instances with IAM Roles

Athena

Create basic Data Lake in S3 – crawled with Glue and queried with Athena