How do I do progressive delivery for Canary releases with Argo CD?

Progressive delivery using Canary releases is a powerful technique to minimize risks while deploying applications. Argo CD is a popular tool for managing Kubernetes applications and can help you implement this strategy efficiently. In a Canary release, you progressively roll out the new version of an application to a small subset of users before making it available to everyone.

To implement a Canary release with Argo CD, follow these steps:

  1. Set up your application with multiple versions in your Git repository.
  2. Create a Helm chart or Kustomize configuration to define your application resources.
  3. Configure Argo CD to manage your application deployment.
  4. Set up traffic routing to direct a small percentage of requests to the new version while the majority continue to use the old version.
  5. Monitor the application performance and gradually increase the traffic to the new version based on the success metrics.

Here’s an illustrative example of a simple configuration in a Kustomization file for a Canary deployment using Argo CD:

apiVersion: kustomize.toolkit.fluxcd.io/v1beta1 kind: Kustomization metadata: name: myapp namespace: default resources: - deployment.yaml - service.yaml patchesStrategicMerge: - patch-canary.yaml

This configuration shows how to define a deployment and service along with a patch for specifying the Canary deployment characteristics.


Progressive Delivery Canary Releases Argo CD Kubernetes Application Management

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