Update ghcr.io/rails/devcontainer/images/ruby Docker tag to v4

renovate[bot] · web-flow · commit 0ea6562a065f · 2026-01-10T01:08:22.000Z
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -1,3 +1,3 @@
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.4.8@sha256:4acd870d1ad97d037a85647b516af866406b29a96fa6d93ceb38266d186b9c32
+ARG RUBY_VERSION=4.0.0@sha256:eec957fb65cbd367c6a61a388d5db14e4f1f86cda0488a5185a3e8d2ba5d93b6
 FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION
