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Infrastructure as Code: Why Teams Are Replacing Manual Server Setup with Files

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Infrastructure as Code (IaC) is the practice of defining and managing servers, networks, and databases through code files rather than manual configuration in cloud consoles. The approach solves three core problems with manual setup: lack of repeatability, absence of documentation, and configuration drift over time. Most modern IaC tools are declarative, meaning engineers describe the desired end state and the tool determines how to achieve it — a property that also makes repeated runs safe through idempotency. Popular tools include Terraform, OpenTofu, Pulumi, Ansible, and AWS CloudFormation, with Terraform being the most widely adopted since its 2014 release. Storing infrastructure code in version control systems like Git allows teams to track changes, assign authorship, and review infrastructure updates through standard pull request workflows.

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Infrastructure as Code: Why Teams Are Replacing Manual Server Setup with Files · ShortSingh