retry with dind config

.gitlab-ci.yml

@@ -42,6 +42,8 @@ maven-test:
     # Improve performance with overlayfs.
     DOCKER_DRIVER: overlay2
 
+  before_script:
+    - docker info
   stage: test
   script:
     - ./mvnw -ntp verify -P-webapp -Dmaven.repo.local=$MAVEN_USER_HOME -Dspring.profiles.active=testcontainers