Merge branch 'docs/update' of kosmos/gitea.kosmos.org into master

doc/kubernetes.md

@@ -41,3 +41,31 @@ Kubernetes before uploading them again. This is done by this script:
 > @whitecolor, in your case you should be fine by clearing `PV.Spec.ClaimRef.UID` in the PV. Only the re-created PVC (with any UID) can then use the PV. And it's your responsibility that only the right person can craft appropriate PVC so nobody can steal your data.
 
 https://github.com/kubernetes/kubernetes/issues/48609#issuecomment-314066616
+
+## Update Gitea
+
+### Released version
+
+Change the image for the gitea-server container
+(`kubernetes/gitea-server.yaml`) to `gitea/gitea:TAG`, for example:
+`gitea/gitea:1.7.0-rc2`
+
+### Unreleased version
+
+This is useful to deploy features that are in master but not yet in a release.
+
+    $ docker pull gitea/gitea
+    $ docker tag gitea/gitea:latest kosmosorg/gitea:production
+    $ docker push kosmosorg/gitea
+
+Set the image for the gitea-server container to `kosmosorg/gitea:latest`, or run 
+this command to force a deployment if it is already set to it
+
+    $ kubectl patch deployment gitea-server -p "{\"spec\":{\"template\":{\"metadata\":{\"annotations\":{\"date\":\"`date +'%s'`\"}}}}}"
+
+### Build our own image
+
+At the root of the [https://github.com/go-gitea/gitea](gitea repo)
+
+    $ DOCKER_TAG=production DOCKER_IMAGE=kosmosorg/gitea make docker # builds and tags kosmosorg/gitea:production locally
+    $ docker push kosmosorg/gitea