Deployment object best practices

This section will summarize known best practices when working with Deployment objects in Kubernetes. This list is by no means complete, but it is a good starting point for your journey with Kubernetes.

Use declarative object management for Deployments

In the DevOps world, it is a good practice to stick to declarative models when introducing updates to your infrastructure and applications. This is atthe core of the Infrastructure-as-Code and Configuration-as-Code paradigms. In Kubernetes, you can easily perform declarative updates using the kubectl apply command, which can be used on a single file or even a whole directory of YAML manifest files.

Tip

To delete objects, it is still better to use imperative commands. It is more predictable and less prone to errors. Declaratively deleting resources in your cluster is only useful in CI/CD scenarios, where the whole process is entirely automated.

The same principle also applies to Deployment...