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Add kustomization.yaml for cert-manager with custom DNS settings

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- Introduced a new kustomization.yaml file for cert-manager.
- Configured a patch to modify the cert-manager Deployment to use a custom DNS policy and settings.
- Set dnsPolicy to None and specified custom nameservers and search options.
This commit is contained in:
Paul Payne
2026-05-18 03:39:21 +00:00
parent e4c24d4a8c
commit 54abfdd469
6 changed files with 13435 additions and 233 deletions
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19
cert-manager/README.md
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# cert-manager
X.509 certificate management for Kubernetes using Let's Encrypt.
## Upstream
The `upstream/cert-manager.yaml` file is downloaded from the official cert-manager release:
- Source: https://github.com/cert-manager/cert-manager/releases/download/v1.17.2/cert-manager.yaml
- Version: v1.17.2
To update, download the new version and replace the file.
## DNS Configuration
The upstream cert-manager deployment is patched via kustomize overlay (`upstream/kustomization.yaml`) to use external DNS resolvers (1.1.1.1, 8.8.8.8) instead of cluster DNS. This is required for ACME DNS-01 challenge verification.
## Maintenance
The `scripts/repair-certificates.sh` script can fix stuck certificates, orphaned ACME orders, and Cloudflare DNS cleanup errors. Run it manually when certificate issuance has issues.