Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -29,7 +29,7 @@ review:start:
         - pwd
         - sudo docker run --detach --rm --env VIRTUAL_HOST=${CI_ENVIRONMENT_SLUG} --name ${DOCKER_CONTAINER_NAME} ${REVIEW_IMAGE} || true
         - mkdir -p book_pdf; sudo docker run --rm -v $(pwd):/source docker.rz.tu-harburg.de:5000/docker/gitbook-itbh-glr build
-        - sudo docker cp -r book_pdf/* ${DOCKER_CONTAINER_NAME}:/usr/share/nginx/html
+        - sudo docker cp book_pdf/* ${DOCKER_CONTAINER_NAME}:/usr/share/nginx/html
     environment:
         name: review/${CI_COMMIT_REF_NAME}
         url: http://${CI_ENVIRONMENT_SLUG}.collaborating.tuhh.de