docker tweak

.gitlab-ci.yml

@@ -8,7 +8,7 @@ docker-build:
   services:
     - docker:dind
   before_script:
-    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+    - echo $CI_BUILD_TOKEN | docker login -u "$CI_REGISTRY_USER" -password-stdin $CI_REGISTRY
   # Default branch leaves tag empty (= latest tag)
   # All other branches are tagged with the escaped branch name (commit ref slug)
   script: