✨(helm) deploy new infra using helm

The new infra we have must be configured in the helm chart. This commit
all the missing templates to deploy yhub, it also automate the creation
of the private keys needed by all services.

.github/workflows/docker-hub.yml

@@ -60,11 +60,26 @@ jobs:
       should_push: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'preview') }}
       docker_user: 1001:127
 
+  build-and-push-yhub:
+    uses: ./.github/workflows/docker-publish.yml
+    permissions:
+      contents: read
+    secrets: inherit
+    with:
+      image_name: lasuite/impress-yhub
+      context: .
+      file: src/yhub-server/Dockerfile
+      target: yhub
+      should_push: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'preview') }}
+      # no docker_user: the image defaults to uid 1000, the `node` user the
+      # base image already declares in /etc/passwd
+
   notify-argocd:
     needs:
       - build-and-push-backend
       - build-and-push-frontend
       - build-and-push-y-provider
+      - build-and-push-yhub
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'preview')
     steps: