> For the complete documentation index, see [llms.txt](https://docs.human-connection.org/human-connection/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.human-connection.org/human-connection/deployment/human-connection/maintenance.md).

# Maintenance

> Despite our best efforts, systems sometimes require downtime for a variety of reasons.

Quote from [here](https://www.nrmitchi.com/2017/11/easy-maintenance-mode-in-kubernetes/)

We use our maintenance mode for manual database backup and restore. Also we bring the database into maintenance mode for manual database migrations.

## Deploy the service

We prepared sample configuration, so you can simply run:

```bash
# in folder deployment/
kubectl apply -f human-connection/maintenance
```

This will fire up a maintenance service.

## Bring application into maintenance mode

Now if you want to have a controlled downtime and you want to bring your application into maintenance mode, you can edit your global ingress server.

E.g. in file `deployment/digital-ocean/https/ingress.yaml` change the following:

```yaml
...

  - host: nitro-staging.human-connection.org
    http:
      paths:
      - path: /
        backend:
          # serviceName: nitro-web
          serviceName: maintenance
          # servicePort: 3000
          servicePort: 80
```

Then run `kubectl apply -f deployment/digital-ocean/https/ingress.yaml`. If you want to deactivate the maintenance server, just undo the edit and apply the configuration again.


---

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