Hello 👋! I’m David Bour

The social media application you’ve just created has hit critical mass with thousands of user interactions per second. You’ve gathered your users’ feedback and want to introduce a new feature that will drive engagement. However, you’re cautious about not disrupting active users with potential downtime if the new feature causes an overload on your servers. Currently, you have a Kubernetes cluster with the Ingress-Nginx controller and a blue-green deployment setup. You can switch 100% of traffic to the new version immediately — but you’d rather divert only a small portion first and monitor the effects before fully committing. Fortunately, there’s a common solution to this: the canary deployment. ...

Kubernetes has made managing container images seamless with its multitude of features such as built-in horizontal scalability, service discovery, and so much more. Kubernetes provides a rich and open framework to which an operator can take advantage of when managing their software development lifecycle. This extensibility and freedom sometimes makes it difficult to provide a single solution to everyone’s needs — such as how to update a live running application without disrupting the user experience. ...