4 articles on this topic.
A complete walkthrough of a real AWS architecture — follow one customer from typing the URL to receiving their ticket confirmation, and learn which AWS service solves each problem and why.
AWS ArchitectureEC2 vs AWS Lambda explained through a real production system. Learn the cost, scaling, cold start and networking trade-offs, and how to answer EC2 vs Lambda questions on the SAA-C03 exam.
EC2RDS vs DynamoDB explained with a real production example. Learn when relational beats NoSQL, why conditional updates prevent double-selling, and how to answer database questions on the SAA-C03 exam.
RDSA reference guide to the AWS services that matter — networking, storage, compute, databases, security and monitoring — with what each one solves and how they fit together. For the career path itself, see the AWS cloud engineer roadmap.
AWS