Changed docker login around

.gitlab-ci.yml

@@ -116,17 +116,12 @@ deploy-dev-docker:
   - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH || $CI_COMMIT_TAG
 
 deploy-prod-docker:
-  variables:
-    CI_REGISTRY_USER: $DOCKERHUB_USER
-    CI_REGISTRY_PASSWORD: $DOCKERHUB_PASS
-    CI_REGISTRY: docker.io
-    CI_REGISTRY_IMAGE: index.docker.io/fivesigma/vade
   dependencies:
     - build-musl-bin
   stage: deploy
   image: docker:latest
   script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD_PASS $CI_REGISTRY
+    - docker login -u $DOCKERHUB_USER -p $DOCKERHUB_PASS docker.io
     - docker build -t fivesigma/vade .
     - docker push fivesigma/vade
   # rules: