Stop memorising AWS services. Start understanding how they fit together. AWS Architecture, Decoded walks you through one app as it grows from a single server to a highly available, secure, serverless, microservices and event-driven setup, with 45+ diagrams you'll actually understand. Choose your version Free: Chapter 1 and Architecture 1, Version 1 (14-page PDF). Try it before you buy. Standard ($15): the full guide: 13 chapters, 98 pages, 45+ diagrams. Pro Bundle ($29): the full guide + 150 interview questions with answers + hands-on labs with ready-to-run scripts + all 49 diagrams as PNGs. What's inside the full guide Cloud computing explained in plain English VPC, EC2, storage, databases (RDS, Aurora, DynamoDB) and IAM 7 architectures that build on each other: three-tier v1 to v3, serverless, microservices on EKS and ECS, event-driven with SQS and SNS A Cloud Practitioner (CLF-C02) exam map Phone-friendly pages, clickable contents and page numbers Who it's for Anyone in software who works with, or near, the cloud: Students and freshers starting a career in cloud, DevOps or backend development Developers (backend, frontend, full-stack, mobile) who deploy to AWS or want to understand where their code runs DevOps, SRE and platform engineers coming from Azure, Google Cloud or on-premises, who want the AWS equivalents fast Experienced AWS engineers who want a quick visual refresher before an interview, design review or certification QA, support and system administrators moving into cloud roles Data and ML engineers who need to understand the infrastructure under their pipelines and models Tech leads, architects and engineering managers who explain designs to their teams or stakeholders Anyone preparing for AWS interviews or the Cloud Practitioner exam Free updates for every future edition. 7-day refund on paid versions if it didn't help. Taking the CLF-C02 exam? It pairs well with practice tests.