Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -56,7 +56,7 @@ build:
     - echo $DOCKER_PASSWORD 
     - echo $DOCKER_USERNAME
     - echo $DOCKER_REGISTRY
-    - echo "$DOCKER_PASSWORD" | buildah login -u "$DOCKER_USERNAME" --password-stdin $DOCKER_REGISTRY
+    - echo $DOCKER_PASSWORD | buildah login --username $DOCKER_USERNAME --password-stdin docker.io
     
   script:
     - echo "Temp Docker Image running"