Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -22,7 +22,7 @@ deploy-job:      # This job runs in the deploy stage.
   script:
     - echo "Deploying application..."
     - echo "$CI_JOB_TOKEN" | docker login $CI_REGISTRY -u $CI_REGISTRY_USER --password-stdin
-    - docker build -t $CI_REGISTRY_IMAGE:latest .
+    - docker build -t $CI_REGISTRY_IMAGE .
     - docker push $CI_REGISTRY_IMAGE:latest
     - docker rmi $CI_REGISTRY_IMAGE:latest
     - echo "Application successfully deployed."
\ No newline at end of file