All Hub articles Infrastructure as Code · 3 min read

How Infrastructure as Code Works

An overview of Infrastructure as Code and the practices that make environments repeatable: version control, reusable modules, review, testing, state management and drift control.

ExpertOps DevOps Hub · Published 26 Jan 2026 · Updated 27 Jan 2026
Cloud engineer reviewing repeatable infrastructure and automated environment delivery

What this article covers.

An overview of Infrastructure as Code and the practices that make environments repeatable: version control, reusable modules, review, testing, state management and drift control.

01

Version-controlled infrastructure

02

Reusable modules and environment consistency

03

State, review and drift control

04

Testing and controlled promotion

Read the original ExpertOps Hub article Reviewed by ExpertOps editorial archive · Source updated 27 Jan 2026
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