AWS & ArchitectureApril 26, 2026
Multi-account AWS architecture: why it is non-negotiable in 2026
The single-account story A founder spins up an AWS account in 2018 to host the MVP. The MVP becomes a product. The product gets paying customers. The team grows from 3 to 30 to 100. Throughout, the AWS architecture stays the same: one account, one VPC, manual IAM users, "AdministratorAccess" for everyone who needs to ship anything. In 2018 this was…
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