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Flux CD is a GitOps controller for Kubernetes that continuously reconciles a cluster’s actual state with the desired configuration stored in Git. It is commonly used by platform and DevOps teams to standardize application and infrastructure delivery, make changes auditable through pull requests, and reduce configuration drift across environments such as development, staging, and production.
Flux runs as a set of in-cluster controllers that watch Git repositories and apply updates using declarative manifests, Kustomize, and Helm. This model supports repeatable release workflows and safer rollbacks, and it fits well within broader Platform Engineering practices.
GitOps is a modern approach to software deployment and infrastructure management, leveraging Git as the core tool for version control and collaboration. It automates the deployment process by using Git repositories as the source of truth for both infrastructure and application code. This methodology enhances team collaboration, ensures traceability of changes, and streamlines continuous integration and delivery pipelines. By integrating code review and automated testing, GitOps also boosts security and stability, making it an efficient and scalable solution for managing complex systems.
Flux CD is a GitOps controller for Kubernetes that continuously reconciles cluster state to match declarative configuration stored in Git. It is used to standardize deployments, improve auditability, and reduce configuration drift across environments and clusters.
Flux CD is a strong fit for teams that want a consistent, controller-driven deployment model and clear separation between build and release. It does require disciplined repository design and operational familiarity with reconciliation, sources, and controller logs for troubleshooting.
Common alternatives include Argo CD, Jenkins X, and Spinnaker. For GitOps principles and recommended practices, see OpenGitOps.
Our experience with Flux CD helped us implement repeatable GitOps operating models for Kubernetes teams, with clear repo conventions, safe promotion paths, and day-2 runbooks that made deployments more auditable and drift-resistant in real environments.
Some of the things we did include:
This experience helped us accumulate significant knowledge across multiple use-cases—from greenfield platform builds to migrations from imperative pipelines—and enables us to deliver high-quality Flux CD setups that are secure, observable, and maintainable for client teams.
Some of the things we can help you do with Flux CD include: