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Cloud native certificate management

X.509 certificate management for Kubernetes and OpenShift

10,000+ GitHub Stars

7000+ Slack members

1 million+ daily downloads

Cert Manager
cert manager

cert-manager is a powerful and extensible X.509 certificate controller for Kubernetes and OpenShift workloads. It will obtain certificates from a variety of Issuers, both popular public Issuers as well as private Issuers, and ensure the certificates are valid and up-to-date, and will attempt to renew certificates at a configured time before expiry.

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cert-manager was created by It was proudly  donated  to CNCF in 2020.

Key Features

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Automated issuance and renewal of certificates to secure Ingress with TLS

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Fully integrated Issuers from recognised public and private Certificate Authorities

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Secure pod-to pod communication with mTLS using private PKI Issuers

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Supports certificate use cases for web facing and internal workloads

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Open source add-ons for enhanced cloud native service mesh security

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Backed by major cloud service providers and distributions