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'''Infrastructure as code''' ('''IaC''') is the process of managing and provisioning computer [[data center]] resources through machine-readable definition files, rather than physical hardware configuration or interactive configuration tools.<ref name="AWS in Action, IaC" />
The [[IT infrastructure]] managed by this process comprises both physical equipment, such as [[bare-metal server]]s, as well as [[virtual machine]]s, and associated configuration resources.
The definitions may be in a [[Version Control System|version control system]].<ref>{{Cite web|date=2023-08-02|title=Infrastructure as Code|url=https://scanoncomputer.com/infrastructure-as-code-iac/|access-date=2020-03-02|website=scanoncomputer.com|language=en-us}}</ref>
The code in the definition files may use either scripts or declarative definitions, rather than maintaining the code through manual processes, but IaC more often employs [[declarative programming|declarative]] approaches.
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==Advantages==
The value of IaC can be broken down into three measurable categories: cost, speed, and risk.<ref>{{
| url=http://devops.com/2015/05/14/moving-from-infrastructure-automation-to-true-devops/
| title= Moving from Infrastructure Automation to True DevOps
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