Blue/green deployments on Kubernetes with Argo Rollouts

Jubril Oyetunji's guide explores the implementation of progressive delivery strategies in Kubernetes using Argo Rollouts, a Kubernetes controller that enables blue/green and canary deployments, enhancing the default rolling update strategy. The guide details the installation and configuration of Argo Rollouts, which provides real traffic shaping through integrations with ingress controllers and service meshes, and allows for monitoring via metrics providers like Prometheus and Datadog. It outlines a step-by-step process for setting up a blue/green deployment, allowing the user to manage active and preview services and handle promotions and rollbacks efficiently. The guide emphasizes the need for orchestration tools like Octopus Deploy to manage higher-level deployment processes, such as environment promotion and audit trails, complementing the cluster-side mechanics managed by Argo Rollouts and Argo CD. Through this setup, users can achieve a more reliable and less stressful deployment process, ensuring minimal disruption and quick recovery from potential issues.

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