Most people learn AWS by studying individual services. EC2 does this. S3 does that. RDS is a database. VPC handles networking. IAM handles permissions. CloudWatch handles monitoring. But that's not how AWS is used in the real world. In a real project, these services work together to solve one problem: How do we run an application that is secure, reliable, scalable, and easy to maintain? In this article, we'll build the mental model of a production-style AWS applic...