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openshift-docs/modules/cert-manager-about.adoc
2023-10-30 10:13:25 -04:00

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// Module included in the following assemblies:
//
// * security/cert_manager_operator/index.adoc
:_mod-docs-content-type: CONCEPT
[id="cert-manager-about_{context}"]
= About the {cert-manager-operator}
The link:https://cert-manager.io/[cert-manager] project introduces certificate authorities and certificates as resource types in the Kubernetes API, which makes it possible to provide certificates on demand to developers working within your cluster. The {cert-manager-operator} provides a supported way to integrate cert-manager into your {product-title} cluster.
The {cert-manager-operator} provides the following features:
* Support for integrating with external certificate authorities
* Tools to manage certificates
* Ability for developers to self-serve certificates
* Automatic certificate renewal
[IMPORTANT]
====
Do not attempt to use more than one cert-manager Operator in your cluster. If you have a community cert-manager Operator installed in your cluster, you must uninstall it before installing the {cert-manager-operator}.
====