try to use $CI_COMMIT_TAG for image tag instead of the value comming from .env

.gitlab-ci.yml

@@ -22,8 +22,10 @@ stages :
     - cd jmdc-$IMAGE
   script:
     - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
-    - docker build -t $CI_REGISTRY_IMAGE/$IMAGE:$IMAGE_TAG .
-    - docker push $CI_REGISTRY_IMAGE/$IMAGE:$IMAGE_TAG
+      #    - docker build -t $CI_REGISTRY_IMAGE/$IMAGE:$IMAGE_TAG .
+      #    - docker push $CI_REGISTRY_IMAGE/$IMAGE:$IMAGE_TAG
+    - docker build -t $CI_REGISTRY_IMAGE/$IMAGE:$CI_COMMIT_TAG .
+    - docker push $CI_REGISTRY_IMAGE/$IMAGE:$CI_COMMIT_TAG
 
 build ui:
   <<: *docker_build