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Tommi Grönlund edited this page Oct 23, 2026
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Documentation for the image tag 1.0.0-rc1. See Versions for the documentation of a release.
Qertum is a self-hosted certificate authority with post-quantum support. It issues, tracks, renews and revokes X.509 certificates through a web UI, a REST API, the qca command line, and standard ACME and EST clients. Storage is SQLite; there is no external database, message broker or cloud dependency.
This wiki covers running Qertum on your own server or development machine.
| I want to... | Read |
|---|---|
| Understand the moving parts | Architecture |
| Check what I need before installing | Requirements and Getting the Image |
| Run it on one server with the least effort | Single Container |
| Run it with EST, or expose only ACME and EST | Multi Container |
| Run it from source to try it or develop on it | Local Development |
| Request and manage certificates in the browser, page by page | Using the Web UI |
| Script it from a terminal | Using the CLI |
| Integrate with the REST API | Using the REST API |
| Look up an environment variable or port | Configuration Reference |
| Put TLS in front of it | TLS and Reverse Proxy |
| Back up, restore, or move to new hardware | Backup and Restore |
| Use an external identity provider, or require step-up authentication | Identity Providers |
| Recover from a compromised CA key | Issuer Compromise Recovery |
| Install a new release | Upgrading |
| Fix something that does not work | Troubleshooting |
-
Back up
/data. It holds your CA private key. Losing it loses the CA. See Backup and Restore. - Pick the deployment that matches your needs. The single container has no EST endpoint, by design. If you need EST, use the multi-container layout.
- Clients must trust your root. Nothing validates a Qertum certificate until its root is installed as a trust anchor on the relying party. See TLS and Reverse Proxy.
- Documentation follows releases. These pages describe one release of Qertum. If you run an older release, open the matching version from Versions.
Qertum
Deploy
Use
Operate
- Configuration Reference
- Backup and Restore
- Identity Providers
- Issuer Compromise Recovery
- Upgrading
- Troubleshooting
Releases