Why we have default-token secret in each namespaces of kubernetes clustor?
A Secret is an object that contains a small amount of sensitive data such as a password, a token, or a key. Such information might otherwise be put in a Pod specification or in a container image. Using a Secret means that you don’t need to include confidential data in your application code. A kubernetes.io/service-account-token type of Secret is used to store a token that identifies a service account. When creating a Pod, Kubernetes automatically creates a service account Secret and automatically modifies your Pod to
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