Autobuild for HPC Container registry

.gitlab-ci.yml

-build:
+.build_with_kaniko:
   stage: build
   variables:
     http_proxy: $http_proxy
@@ -17,16 +17,32 @@ build:
         echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
       fi
     - /kaniko/executor
+      --cache=true --cache-copy-layers=true --cache-ttl=168h --compressed-caching=false
       --context "${CI_PROJECT_DIR}"
       --build-arg http_proxy=$http_proxy
       --build-arg https_proxy=$https_proxy
       --build-arg no_proxy=$no_proxy
       --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
       --destination "$CI_REGISTRY_IMAGE:${tag}"
+      "$EXTRA_ARGS"
   rules:
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
       exists:
         - Dockerfile
     - if: '$CI_COMMIT_TAG =~ /^\d+\.\d+$/'
       exists:
-        - Dockerfile
+        - Dockerfile
\ No newline at end of file
+
+build-for-gitlab-project-registry:
+  extends: .build_with_kaniko
+  environment:
+    # Since there are no CI CD Variables with this scope, the project defaults are used to push to this projects docker registry
+    name: push-to-gitlab-project-registry
+
+build-for-hpc-harbor:
+  extends: .build_with_kaniko
+  stage: build
+  # This causes CI CD Variables to be taken from GitLab Project definition for variable scope "push-to-hpc-harbor", 
+  # which overrides CI_REGISTRY, CI_REGISTRY_IMAGE, CI_REGISTRY_USER and CI_REGISTRY_PASSWORD
+  environment:
+    name: push-to-hpc-harbor
\ No newline at end of file