add overlay vars (2)

.gitlab-ci.yml

@@ -133,14 +133,15 @@ check:links:
      DOCKER_TLS_CERTDIR: ""
    services:
      - name: docker:19.03.0-dind
-       command: ["--mtu=1458", "--registry-mirror", "https://docker-registry.lcsb.uni.lu"]
+       command: ["--mtu=1458"]
+       # , "--registry-mirror", "https://docker-registry.lcsb.uni.lu"]
    rules:
      - if: $CI_COMMIT_REF_NAME
      - if: $CI_MERGE_REQUEST_ID
    before_script:
      - cp -r build/external checkFolder
      - ls -lash
-     - docker info
+     - docker version
    script:
      - docker run -i -v "$(pwd)"/build/external:/checkFolder -t git-r3lab.uni.lu:4567/r3/apps/tailorbird/linkchecker