You Need More AWS Accounts Than You Think

25 days ago

Using multiple AWS accounts is not overkill but necessary for security and operational efficiency.
A minimal AWS setup requires 9–10 accounts for proper isolation, addressing specific needs like logging, artifacts, and automation.
Adding accounts later is complex and costly due to migrations and untangling initial architectural decisions.
Multi-account setups prevent future complexity by establishing clean boundaries early.
AWS accounts provide hard IAM boundaries, essential for developer autonomy and security.
Proper tooling and frameworks make managing multiple accounts as easy as managing fewer.
Starting with a multi-account setup is deferred simplicity, avoiding months of retrofitting later.

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