Configuration as Code (CaC) is a pivotal practice in modern software development that involves defining application, infrastructure, and pipeline settings in code, which are then stored in version control systems alongside application code. This approach enhances consistency, traceability, and automation, particularly benefiting teams implementing CI/CD pipelines by minimizing manual errors and strengthening security. CaC facilitates the automation of configuration management across all environments, from development to production, by programmatically applying changes through version control rather than manual edits. It distinguishes itself from Infrastructure as Code (IaC) by focusing on managing the settings of applications and infrastructure post-provisioning. Together with IaC, CaC is integral to GitOps, ensuring that configuration changes are automatically applied and tested within the pipeline, thereby improving reliability and efficiency. The adoption of CaC in DevOps environments not only reduces the risk of misconfigurations but also supports standardization, improves traceability, and enhances compliance, making it a critical component for automating CI/CD processes and optimizing development workflows.