Rails matrix

Author: smathy

.github/workflows/ruby.yml

@@ -21,7 +21,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
+        rails-version: [ '7.0', '7.1', '7.2', '8.0' ]
         ruby-version: ['3.1', '3.2', '3.3']
+    env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
+      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails_${{ matrix.rails-version }}.gemfile
 
     steps:
     - uses: actions/checkout@v4