Add docs for upgrading a live deployment

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bom 2023-03-02 11:32:40 +01:00
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# Upgrade major or minor versions of nextcloud
## Nextcloud versions of c4k-nextcloud docker images
- 4.0.3: nextcloud 22
- 5.0.0: nextcloud 23
- 6.0.0: nextcloud 24
- 7.0.0: nextcloud 25
## Uprgrading process
1. Change the version of the docker image in the deployment to the next major version
- `kubectl edit deploy cloud-deployment`
- change `image: domaindrivenarchitecture/c4k-cloud:4.0.3`
2. Wait for the pod to finish restarting
3. Verify the website is working and https://URL/settings/admin/overview shows the correct version
4. Repeat until desired version is reached