try to run docker info

7a920d3a · michael.simon · b6228001 · 7a920d3a
Commit 7a920d3a authored Jul 21, 2021 by michael.simon
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
+before_script:
+  - docker info
+
 image: maven:3-jdk-11

 cache: