This change fixes:

* use dev@polaris.apache.org for announcement
* publish Docker images only when the vote passed (we are not suppose to publish any public artifacts before the vote is completed)
* update the vote email accordingly

Author: jbonofre

site/content/release-guide.md

@@ -210,15 +210,6 @@ Next, you have to close the staging repository:
 4. At the top, select "Close" and follow the instructions
 5. In the comment field, use "Apache Polaris x.y.z RCi"
 
-### Build and staging Docker images
-
-You can now publish Docker images on DockerHub:
-
-```
-./gradlew :polaris-server:assemble :polaris-server:quarkusAppPartsBuild --rerun -Dquarkus.container-image.build=true -Dquarkus.container-image.push=true -Dquarkus.docker.buildx.platform="linux/amd64,linux/arm64" -Dquarkus.container-image.tag=x.y.z-rci
-./gradlew :polaris-admin:assemble :polaris-admin:quarkusAppPartsBuild --rerun -Dquarkus.container-image.build=true -Dquarkus.container-image.push=true -Dquarkus.docker.buildx.platform="linux/amd64,linux/arm64" -Dquarkus.container-image.tag=x.y.z-rci
-```
-
 ### Start the vote thread
 
 The last step for a release candidate is to create a VOTE thread on the dev mailing list.
@@ -248,10 +239,7 @@ The release tarball, signature, and checksums are here:
 
 Helm charts are available on:
 * https://dist.apache.org/repos/dist/dev/incubator/polaris/helm-chart
-
-Docker images:
-* https://hub.docker.com/r/apache/polaris/tags (x.y.z-rci)
-* https://hub.docker.com/r/apache/polaris-admin-tool/tags (x.y.z-rci)
+NB: you have to build the Docker images locally in order to test Helm charts.
 
 You can find the KEYS file here:
 * https://downloads.apache.org/incubator/polaris/KEYS
@@ -377,15 +365,33 @@ svn mv https://dist.apache.org/repos/dist/dev/incubator/polaris/x.y.z https://di
 svn mv https://dist.apache.org/repos/dist/dev/incubator/polaris/helm-chart/x.y.z https://dist.apache.org/repos/dist/release/incubator/polaris/helm-chart
 ```
 
+NB: you have to update the Helm chart repository index on https://dist.apache.org/repos/dist/release/incubator/polaris/helm-chart/index.yaml
+```
+svn co https://dist.apache.org/repos/dist/release/incubator/polaris/helm-chart polaris-helm-chart
+cd polaris-helm-chart
+helm repo index .
+svn commit
+```
+
 Next, add a release tag to the git repository based on the candidate tag:
 
 ```
 git tag -a apache-polaris-x.y.z apache-polaris-x.y.z-rci
 ```
+
 Update GitHub with the release: https://github.com/apache/polaris/releases/tag/apache-polaris-x.y.z
 
 Then release the candidate repository on [Nexus](https://repository.apache.org/#stagingRepositories).
 
+### Publishing the Docker images
+
+You can now publish Docker images on DockerHub:
+
+```
+./gradlew :polaris-server:assemble :polaris-server:quarkusAppPartsBuild --rerun -Dquarkus.container-image.build=true -Dquarkus.container-image.push=true -Dquarkus.docker.buildx.platform="linux/amd64,linux/arm64" -Dquarkus.container-image.tag=x.y.z
+./gradlew :polaris-admin:assemble :polaris-admin:quarkusAppPartsBuild --rerun -Dquarkus.container-image.build=true -Dquarkus.container-image.push=true -Dquarkus.docker.buildx.platform="linux/amd64,linux/arm64" -Dquarkus.container-image.tag=x.y.z
+```
+
 ### Publishing docs 
 1. Open a PR against branch [`versioned-docs`](https://github.com/apache/polaris/tree/versioned-docs) to publish the documentation
 2. Open a PR against the `main` branch to update website
@@ -396,7 +402,7 @@ Then release the candidate repository on [Nexus](https://repository.apache.org/#
 To announce the release, wait until Maven Central has mirrored the artifacts.
 
 
-Send a mail to dev@iceberg.apache.org and announce@apache.org:
+Send a mail to dev@polaris.apache.org and announce@apache.org:
 
 ```
 [ANNOUNCE] Apache Polaris x.y.z