[werft] publishRelease: publish installer as "latest" image, too

.werft/build.js

@@ -84,6 +84,7 @@ async function build(context, version) {
     exec(`leeway build --werft=true -Dversion=${version} -DremoveSources=false -DimageRepoBase=${imageRepo}`, buildEnv);
     if (publishRelease) {
         publishHelmChart("gcr.io/gitpod-io/self-hosted");
+        exec(`leeway run --werft=true install/installer:publish-as-latest -Dversion=${version} -DimageRepoBase=${imageRepo}`)
         exec(`gcloud auth activate-service-account --key-file "${GCLOUD_SERVICE_ACCOUNT_PATH}"`);
     }
     // gitTag(`build/${version}`);

install/installer/BUILD.yaml

@@ -29,3 +29,10 @@ packages:
       buildArgs:
         VERSION: ${version}
         IMAGE_PREFIX: ${imageRepoBase}
+scripts:
+- name: publish-as-latest
+  deps:
+  - :docker
+  script: |
+    docker tag ${imageRepoBase}/installer:${version} ${imageRepoBase}/installer:latest
+    docker push ${imageRepoBase}/installer:latest