"Over the past decade, software development has been shaped by two closely related transformations. One is the rise of devops and continuous integration and continuous delivery (CI/CD), which brought development and operations teams together around automated, incremental software delivery. The other is the shift from monolithic applications to distributed, cloud-native systems built from microservices and containers, typically managed by orchestration platforms such as Kubernetes."
"At the heart of GitOps is the concept of infrastructure as code (IaC). In a GitOps model, not only application code but also infrastructure definitions, deployment configurations, and operational settings are described in files stored in a version control system. Automated processes continuously compare the running system with those declarations and work to bring the live environment back into alignment when differences appear."
GitOps extends devops and CI/CD techniques to infrastructure and system configuration for cloud-native environments. It treats infrastructure as code, storing infrastructure definitions, deployment configurations, and operational settings in version control repositories. Automated controllers continuously compare the declared state against the live system and reconcile divergences to restore alignment. The version control repository functions as the system of record, and changes flow through review, approval, and automation pipelines. This approach reduces configuration sprawl and environment drift, improves traceability and repeatability, and supports rapid, reliable changes for distributed applications orchestrated by platforms like Kubernetes.
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