All About the Use of the Flux CD

All About the Use of the Flux CD

According to its proponents, Flux is a set of Kubernetes-optimized, open and extensible solutions for both continuous and progressive delivery.

The Flux CD is a CD utility that automates configuration updates as they become available and keeps Kubernetes clusters in sync with configuration sources like Git repositories. The GitOps toolkit was used to create Flux, and it has multi-tenancy support and the capacity to synchronise an infinite number of Git repositories. Many distinct parts, including one dubbed Flux CD, are available to developers who want to build an IDP using open source technology. It’s closest analogue is the ArgoCD model.

Can you explain what a FluxCD is?

The Kubernetes Flux CD GitOps operator ensures that the current state of manifests in a Git repository matches the chosen cluster configuration. The operator may then carry out its intended task. Users with experience in many CD systems agree that the Flux UI is the most intuitive and least time-consuming to set up for a GitOps workflow.

The software monitors a remote Git repository for changes and applies them to Kubernetes manifests in the targeted clusters. Despite first impressions, advanced developers may use many instances of Flux CD, each with its own set of RBAC permissions, to build sophisticated scenarios. Because each instance has its own identity, this is conceivable.

In other words, what are Flux CD’s hopes and dreams?

The Flux team designed the system with Cluster Operators in mind since it is their job to automate the process of creating and configuring clusters.

Engineers on the Platform who put up CD infrastructure for different dev teams

Those who write code for mobile apps and rely on continuous integration (CD) to make it work

However, Flux makes it apparent that the GitOps Toolkit is the better option for platform developers who want to construct their own CD system, since it fulfils requirements that Flux does not.

Brief Overview of Flux CD’s Background

Originally created by Weaveworks, Flux CD is currently hosted on GitHub under the Apache 2.0 licence and is a project of the Cloud Native Computing Foundation (CNCF).

Features fundamental to the Flux CD OS Performs as expected of a GitOps system by retrieving and applying any updated manifest files from a remote Git repository to the cluster on a regular basis.

  • Gives you access to configuration files taken straight from Git and Helm.
  • Provides help to Kustomize and Helm individually.
  • Allows for Kubernetes RBAC integration.
  • Regular and event-based reconciliations are performed.
  • Checks the operational status of all clusters and workloads.
  • Manages how interdependent infrastructure components and workloads are.
  • Due to its specific nature, issues with the repository are easy to detect and rectify.

The following are other crucial factors to think about

  • Flux is a simple component that has no multi-tenancy support.
  • When several clusters are involved, flux may be used.
  • Developers may activate the capability to automatically deploy updated versions of container images.


It would be negligent of us not to point out the similarities and differences between Flux CD and ArgoCD while discussing the former. Many software engineers have a prefered tool in mind when it comes to implementing a GitOps methodology for rolling out new versions of their applications. This highlights the need of knowing which system is ideal for certain tasks.