gitlab-ci: lock down the ruby image

davvid · davvid · commit fa8cc13daa19 · 2024-01-22T09:52:35.000-08:00
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 default:
-  image: ruby:latest
+  image: ruby@sha256:39d33ab3b46dbfd84609871cf56364d36ba2d9b12731f6bc2fc04afd5274b9d8
   cache:
     paths:
       - vendor/ruby
