Infrastructure as Code (IaC) is transforming DevOps by enabling automated, consistent, and scalable infrastructure management. This blog explores the core principles of IaC, its benefits, popular tools like Terraform and Ansible, and best practices for implementation. Through detailed examples and analysis, readers will understand how IaC accelerates deployment cycles, reduces errors, and fosters a culture of continuous integration and delivery. Embracing IaC is essential for modern organizations aiming for agility, reliability, and security in their infrastructure management.