Definition
Infrastructure as Code
Managing and provisioning cloud infrastructure through machine-readable configuration files rather than manual console clicks.
Infrastructure as Code (IaC) uses tools like Terraform, AWS CDK, or Pulumi to define cloud resources — servers, databases, networks, security groups — in version-controlled configuration files. This makes infrastructure reproducible, auditable, and reviewable through the same processes used for application code. Without IaC, infrastructure is configured manually through cloud provider consoles, making it impossible to reliably reproduce environments, track changes, or recover from disasters. IaC is a prerequisite for mature CI/CD pipelines and compliance requirements.
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