ruby/setup-ruby@v1

.github/workflows/ruby.yml

@@ -2,17 +2,17 @@ name: My workflow
 on: [push, pull_request]
 jobs:
   test:
+    strategy:
+      fail-fast: false
+      matrix:
+        gemfile: [ rails5, rails6 ]
     runs-on: ubuntu-latest
+    env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
+      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
-    - uses: actions/checkout@v4
-    - uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: '3.2' # Not needed with a .ruby-version file
-        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-    - run: bundle exec rake# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
-# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
-
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+      - run: bundle exec rake