troubleshoot docker

.gitlab-ci.yml

@@ -95,6 +95,8 @@ release:
   stage: manifest
 
 helm-lint:
+  before_script:
+    - docker login -u $NEXUS_REGISTRY_USER -p $NEXUS_REGISTRY_PASSWORD $NEXUS_REGISTRY_URL
   image: ${HELM_IMAGE}
   extends: .helm-lint
   stage: lint