cert-manager

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cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters.
websitehttps://cert-manager.io/
twitterhttps://twitter.com/CertManager/
githubhttps://github.com/cert-manager/

Before #KubeCon in London, cert-manager maintainers past and present got together to chat, drink some beers and celebrate the project!

You might recognise some of these faces if you've seen us at KubeCon events in the past - thank you for being such a great community!

- @SgtCoDFish

Come see cert-manager at #KubeCon in London! 🎡💂

1. Our Project Pavillion Booth is all week long!
2. Contribfest - April 2 14:30 - 15:45 BST
3. Tim & Erik's talk - April 3 17:30 - 18:00 BST

We'd love to print you a physical X.509 certificate as a souvenir!

Check out our announcement post for more details: https://cert-manager.io/announcements/2025/03/24/cert-manager-kubecon-eu-2025/

Come see cert-managers at KubeCon EU 2025 in London!

Here's all the details you need for cert-manager related events at KubecCon EU 2025.

cert-manager

Yesterday we released cert-manager v1.17.0 🎉

New features include: promoted feature gates, easier keystores for JKS/PKCS#12 and a helpful change to hashing algorithms used with RSA for better compliance.

Check it out today!

Also, we're now on bsky if you're there too: https://bsky.app/profile/cert-manager.bsky.social

https://github.com/cert-manager/cert-manager/releases/tag/v1.17.0

cert-manager.bsky.social

Bluesky Social

Huge news today - cert-manager is now officially a CNCF graduated project!

We've published a blog post explaining everything you need to know: https://cert-manager.io/announcements/2024/11/12/cert-manager-graduation/

There's also a bunch of detail in the CNCF's press release: https://www.cncf.io/announcements/2024/11/12/cloud-native-computing-foundation-announces-cert-manager-graduation/

Thank you to everyone who was involved in the process - it's a huge milestone for the project and we're so excited for the future!

cert-manager is now a CNCF Graduated Project!

cert-manager joins Kubernetes itself at the Graduated level of the CNCF

cert-manager

@neimi

Haha danke!

That should be possible yeah. If you're using Let's Encrypt the only thing to be careful of is rate limiting, but you should be OK with just a couple of servers.

The DNS-01 challenge just requires API keys for updating the DNS provider.

You'd not be able to easily use the HTTP-01 challenge, but the DNS-01 challenge should work fine!

@neimi

Wenn's keine Webhook für Netcup gibt, kannst du ziemlich einfach ein neues Webhook mit https://github.com/cert-manager/issuer-lib/ erstellen

Hab aber https://github.com/aellwein/cert-manager-webhook-netcup gefunden; hilft das dir?

(Es ist möglich dass ich dein Frage nicht richtig versteht! Sorry für die Fehler auf Deutsch - mein Muttersprache ist Englisch!)

GitHub - cert-manager/issuer-lib: issuer-lib is the Go library for building cert-manager issuers.

issuer-lib is the Go library for building cert-manager issuers. - cert-manager/issuer-lib

GitHub

cert-manager v1.16.0 has been released 🚀

Top line feature for this release is Helm schema validation, ensuring that mistakes in Helm values get caught early and before production!

Give it a try - and keep tuned for exciting cert-manager announcements coming soon 👀

🗳️ The cert-manager graduation vote has begun!

👍 Everyone can vote to show their support:

https://github.com/cncf/toc/pull/1416#issuecomment-2371270867

cert-manager Graduation Due Diligence by kgamanji · Pull Request #1416 · cncf/toc

This PR contains the due diligence for cert-manager application to move to graduated status. Project application issue: #1306 Overall the project fulfills all the necessary criteria to move to the ...

GitHub

Just dropped: The new prerelease for cert-manager 1.16!

We really need people to go out and test our pre-releases so minimise the chance of issues when we do the actual release on Oct 3rd! 🕐

Try it out today: https://github.com/cert-manager/cert-manager/releases/tag/v1.16.0-alpha.1

Release v1.16.0-alpha.1 · cert-manager/cert-manager

cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters. 📜 Changes since v1.16.0-alpha.0 Feature Added app.kubernetes.io/managed-by: "cert-manager...

GitHub

📢 We've just released trust-manager v0.12.0 which includes the ability to install trust-manager without having first installed cert-manager! Try it out today!

https://github.com/cert-manager/trust-manager/releases/tag/v0.12.0

Release v0.12.0 · cert-manager/trust-manager

trust-manager is the easiest way to manage security-critical TLS trust bundles in Kubernetes and OpenShift clusters. v0.12.0 includes a variety of Helm chart improvements, notably including the abi...

GitHub