Generate Argo CD Applications Automatically with ApplicationSet
Use Argo CD ApplicationSet with the cluster generator to create one Application per registered cluster automatically, plus verification and RBAC limits.
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kubernetesRancher Fleet Label Targeting: A Practical Rollout Pattern for 10–500 Downstream Clusters
Rancher Fleet's hub-and-spoke GitOps model lets platform teams sync apps across many clusters using label selectors. Here is a concrete rollout pattern, verification steps, and the limits to plan around.
rancherUsing Argo CD ApplicationSet to Dynamically Generate Multi‑Cluster, Multi‑Environment Applications
Learn how a single ApplicationSet definition can create dozens of Argo CD Applications from a matrix of clusters and environments, reducing boilerplate while keeping sync policies and Helm value overrides under control.
Rancher Fleet: Deliver Helm Charts Across Clusters Without Sharing Kubeconfigs
Use Rancher Fleet GitRepo resources to centralize Helm and manifest delivery across downstream clusters while keeping CI out of individual cluster kubeconfigs.
Managing Kubernetes Resource Drift with Helm 3 Three-Way Strategic Merge
Learn how Helm 3's three-way strategic merge prevents the loss of manual cluster changes during upgrades by comparing live state, old manifests, and new charts.
helmManaging Multi-Environment Deployments with Portainer Stacks
Stop managing 'snowflake' servers. Learn how to use Portainer Stacks and Git integration to deploy consistent Docker Compose applications across Dev, Staging, and Production.
Scaling Argo CD with ApplicationSets: Stop Repeating Your Manifests
Stop duplicating Argo CD manifests. Use ApplicationSets to automate the creation of multiple Applications across dev, staging, and prod using a single template.
Scaling GitOps: Using Argo CD ApplicationSets to Eliminate Manifest Duplication
Stop duplicating Argo CD Application manifests. Learn how to use ApplicationSets and generators to automate multi-cluster deployments from a single template.
Create Multiple Argo CD Applications from a Helm Values Directory Using ApplicationSet List Generator
Automatically create an Argo CD Application for each subdirectory under values/ in a Git repository, so that every environment (e.g., dev, staging, prod) gets its own Helm release using the same chart but its own values file.