Using alpine

.gitlab-ci.yml

@@ -511,7 +511,7 @@ release-docs:
     refs:
       - /^release-.*/
   script:
-    - apt-get update && apt-get install -y git make sed wget
+    - apk add git make sed wget
     - make docs
     - eval $(ssh-agent -s)
     - echo "$CI_KEY_PRIVATE" > /root/.ssh/id_rsa && chmod 0600 /root/.ssh/id_rsa