Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -10,8 +10,15 @@ build:
   stage: build
   script:
     - docker pull $CI_REGISTRY_IMAGE:latest || true
-    - docker build --cache-from $CI_REGISTRY_IMAGE:latest
+    - if [ $CI_COMMIT_TAG != '' ]; then 
+      docker build --cache-from $CI_REGISTRY_IMAGE:latest
+      --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA 
+      --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
+      --tag $CI_REGISTRY_IMAGE:latest .
+      else
+      docker build --cache-from $CI_REGISTRY_IMAGE:latest
       --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA --tag $CI_REGISTRY_IMAGE:latest .
+      fi
     - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA
     - docker push $CI_REGISTRY_IMAGE:latest
     - if [ $CI_COMMIT_TAG != '' ]; then docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG ;fi