Amazon Web Services

Fourteen sections with a mental model and an animation each: Regions and Availability Zones, IAM policy evaluation and roles, VPCs, security groups and NACLs, what you are actually paying for, S3 and storage classes, Lambda, containers and EC2 Auto Scaling, RDS and DynamoDB, ALB, Route 53 and CloudFront, SQS, SNS and EventBridge, CloudWatch alarms, KMS and secrets, infrastructure as code, and the retry, timeout and idempotency habits that make systems survive.

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Thirty-eight sections from first principles: SigV4 and ARNs, control plane versus data plane, Organizations, SCPs and landing zones, the full IAM evaluation engine, the credential chain, VPC addressing, routing, PrivateLink and Transit Gateway, EC2 families and purchase options, Auto Scaling, load balancing, S3 in depth, EFS and FSx, Aurora, DynamoDB modelling, caching, Lambda internals, API Gateway, ECS and EKS, Step Functions, messaging, streaming, the analytics lake, Route 53, CloudFront, observability, KMS and the security services, CloudFormation and CDK, CI/CD, cost optimisation, the Well-Architected pillars, a cheat sheet, a pattern-recognition playbook and a practice roadmap.

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