Learn FLUXCD-GITOPS with Real Code Examples
Updated Nov 27, 2025
Architecture
Flux controllers run inside Kubernetes clusters
Controllers reconcile Git repository state with cluster state
Automated updates for manifests, Helm charts, and images
Notifications sent on reconciliation or drift events
Supports multi-cluster control via Git repository references
Rendering Model
Git repository -> Flux controllers -> Kubernetes cluster
Controllers reconcile desired state with actual state
Helm/Kustomize manifests applied automatically
Image updates triggered by Flux automation
Notifications sent for drift or deployment events
Architectural Patterns
Single-cluster GitOps
Multi-cluster GitOps
Environment overlays with Kustomize
Automated HelmRelease deployments
Image automation for progressive delivery
Real World Architectures
Microservices GitOps pipelines
Multi-cluster deployments with automated updates
Progressive delivery using image automation
Environment overlays with Kustomize
HelmRelease automation for SaaS applications
Design Principles
Git as single source of truth
Continuous reconciliation
Declarative, version-controlled infrastructure
Kubernetes-native design
Automation and security first
Scalability Guide
Deploy controllers in multi-cluster setups
Use separate Git sources per environment
Optimize reconciliation intervals
Leverage image automation for fast rollouts
Monitor controller resource usage and logs
Migration Guide
Convert imperative deployments to declarative manifests
Set up Git repository as source of truth
Bootstrap Flux in clusters
Migrate Helm/Kustomize resources
Test reconciliation and automation in staging clusters