k8wiz
cert-manager
Medium
Concepts

What is the difference between an Issuer and a ClusterIssuer in cert-manager?

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Answer: Issuers are namespaced, ClusterIssuers are cluster-wide

Explanation

The main difference between Issuers and ClusterIssuers is their scope. Issuers are namespaced resources, meaning they can only issue certificates within their own namespace. ClusterIssuers are cluster-wide resources, meaning they can issue certificates in any namespace.