Merge branch 'dz-fix-ruby-alpine-template-for-rails' into 'master'

Fix rails binding for ruby alpine template

See merge request gitlab-org/gitlab!57112

changelogs/unreleased/dz-fix-ruby-alpine-template-for-rails.yml

+---
+title: Fix rails binding for ruby alpine template
+merge_request: 57112
+author:
+type: fixed

vendor/Dockerfile/Ruby-alpine.Dockerfile

@@ -24,4 +24,4 @@ COPY . .
 # For Rails
 ENV PORT 3000
 EXPOSE 3000
-CMD ["bundle", "exec", "rails", "server"]
+CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]