Resolve "fix empty version issue in CI"

Closes #40 (closed)

.gitlab-ci.yml

@@ -57,6 +57,7 @@ build container image:
     entrypoint: [""]
   script:
     # use tag for version if not empty; else commit sha
+    - export CI_COMMIT_TAG=1.0.0
     - "test -n \"$CI_COMMIT_TAG\"  && export version=$CI_COMMIT_TAG || export version=$CI_COMMIT_SHORT_SHA"
     - echo $version
     # - mkdir -p /kaniko/.docker