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Question
What is Infrastructure as Code (IaC)?
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Answer
Managing and provisioning infrastructure through machine-readable configuration files rather than manual processes. Benefits: Version control, repeatability, consistency, automation, documentation-as-code. IaC tools: Terraform (declarative, multi-cloud), Pulumi (imperative), AWS CloudFormation (AWS-only), Azure ARM/Bicep. Declarative: describe desired end state; tool figures out how. Imperative: specify exact steps to execute.