Which IaC, Terraform, Pulumi, CDK or OpenTofu
All work. Pick depends on team skill and license comfort.
Try this first
- 1Terraform: biggest ecosystem, HCL, license switched to BSL in 2023
- 2OpenTofu: OSS fork of Terraform, drop-in compatible for most cases
- 3Pulumi: real programming languages (TS, Python, Go), nice for devs
- 4AWS CDK: AWS only, TypeScript/Python, emits CloudFormation
When to bring us in
For SMB: pick one and stick. Migration between tools is expensive.
See also
- Everyone logs in with the AWS root accountRoot is for emergencies and billing. Day-to-day work belongs in IAM users or SSO.
- Every developer has AdministratorAccessAdministratorAccess everywhere is convenient now, painful later. Start with role-based policies.
- Everyone has individual IAM users with their own passwordIdentity Center (formerly AWS SSO) links to your IdP and issues temporary credentials per session.
None of the above fits?
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Or skip the DIY entirely
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