The scattered pieces learned over a week — ECS and Fargate's isolation model, CloudFormation's declarative engine, SAM's macro, CDK's synthesis, and serverless architecture's coupling principles — are actually different answers to one big question: "How can we safely, repeatably lift containers and functions onto cloud without human clicking?" This review threads those pieces not by re-listing facts, but by exposing why they're designed that way to stand firm against variation questions on test day.
DVA-C02's container/IaC domain is a major axis of the Deployment