switch to template helm ci

.gitlab-ci.yml

@@ -113,13 +113,12 @@ ttrss-fpm-pgsql-static:publish:
     DOCKERFILE: ${CI_PROJECT_DIR}/.docker/app/Dockerfile
 
 update-demo:
-  stage: publish
-  image: ${HELM_IMAGE}
+  extends: .deploy-helm-chart
   variables:
-    HELM_REPO: https://gitlab.tt-rss.org/tt-rss/helm-charts/tt-rss
-  script:
-    - git clone ${HELM_REPO} chart
-    - helm upgrade --atomic --install tt-rss-demo chart --values .helm/values-demo.yaml --set imageTag=${CI_COMMIT_SHORT_SHA}
+    HELM_CHART: oci://registry.fakecake.org/infra/helm-charts/tt-rss
+    HELM_VALUES: .helm/values-demo.yaml
+    HELM_RELEASE: tt-rss-demo
+    HELM_ARGS: --set imageTag=${CI_COMMIT_SHORT_SHA}
   rules:
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $CI_REGISTRY_USER != null && $UPDATE_DEMO == "true"
-
+  stage: publish