Merge branch 'prebuild-docker-images' into 'main'

Initialize variable

See merge request reportcreator/reportcreator!682

.gitlab-ci.yml

@@ -177,13 +177,13 @@ build-release:
     - VERSION_NUMBER=$(python3 -c "from packaging.version import Version;print(Version('${VERSION_NUMBER_LEADING_ZEROS}'))")
     # Ensure the version number is in the changelog for prod deployments
     - |
+      API_STATICS_IMAGE=$CI_REGISTRY_IMAGE/api-statics:$CI_COMMIT_TAG
       if [[ $CI_COMMIT_TAG =~ '^prod-.*' ]]; then
         grep -qE "^## (v${VERSION_NUMBER})" CHANGELOG.md || exit 1
         CACHE_RELEASE_TAG=test-$VERSION_NUMBER_LEADING_ZEROS
       else
         CACHE_RELEASE_TAG=$CI_COMMIT_SHORT_SHA
         # Build and push api-statics
-        API_STATICS_IMAGE=$CI_REGISTRY_IMAGE/api-statics:$CI_COMMIT_TAG
         docker buildx build --provenance false --build-arg BUILDKIT_INLINE_CACHE=1 --cache-from $CI_REGISTRY_IMAGE/pdfviewer-dev:$ISO_WEEK --cache-from $CI_REGISTRY_IMAGE/frontend-dev:$ISO_WEEK --target=api-statics --platform linux/amd64,linux/arm64 --push -t $API_STATICS_IMAGE .
       fi
     # Build containers