Tweak to image tag name.

.gitlab-ci.yml

@@ -39,4 +39,4 @@ build:dockerimage:
     - docker build --cache-from $CI_BUILD_IMAGE:latest -t $CI_BUILD_IMAGE:$CI_COMMIT_SHORT_SHA .
     - docker push $CI_BUILD_IMAGE:$CI_COMMIT_SHORT_SHA
     - docker tag $CI_BUILD_IMAGE:$CI_COMMIT_SHORT_SHA $CI_BUILD_IMAGE:latest && docker push $CI_BUILD_IMAGE:latest
-    - if [ -n "$CI_COMMIT_TAG" ]; then docker tag $CI_BUILD_IMAGE:$CI_COMMIT_SHORT_SHA $CI_BUILD_IMAGE:$CI_COMMIT_TAG && docker push $CI_BUILD_IMAGE:$CI_COMMIT_TAG; fi
+    - if [ -n "$CI_COMMIT_TAG" ]; then docker tag $CI_BUILD_IMAGE:$CI_COMMIT_SHORT_SHA $CI_BUILD_IMAGE:${CI_COMMIT_TAG#docker-} && docker push $CI_BUILD_IMAGE:${CI_COMMIT_TAG#docker-}; fi