Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -89,7 +89,7 @@ deploy:
   script:
     - echo "$DOCKER_TOKEN" | docker login -u "$DOCKER_USERNAME" --password-stdin
     - echo "Logged into dockerhub succesfully!!"
-    - docker push $DOCKERHUB_REPO:$PREVIOUS_BUILD_TAG
+    - docker push $DOCKERHUB_REPO:$CI_COMMIT_SHORT_SHA
     - echo "Pushed the docker image to dockerhub succesfully"
     - if [ "$CI_COMMIT_BRANCH" = "$CI_DEFAULT_BRANCH" ]; then
         docker tag $DOCKERHUB_REPO:$CI_COMMIT_SHORT_SHA $DOCKERHUB_REPO:latest;