Using new ruby 3.1 image.

Author: Eric-Guo

.gitlab-ci.yml

@@ -1,11 +1,33 @@
 ---
-image: circleci/ruby:3.0.3-node-browsers
+image: "ruby:3.1"
 
 variables:
+  RAILS_ENV: test
   CACHE_FALLBACK_KEY: "$CI_COMMIT_REF_SLUG"
 
 before_script:
+  # Setup Node.js
+  - curl -fsSL https://deb.nodesource.com/setup_20.x -o nodesource_setup.sh
+  - bash nodesource_setup.sh
+  - apt-get install -y nodejs
+
+  # Install Yarn
+  - npm config set registry https://registry.npmmirror.com/ --global
+  - npm install --global yarn
+
+  # Verify installations
+  - node -v
+  - yarn -v
+  - ruby -v
+  - which ruby
+
+  # Setup Bundler
+  - gem install bundler --no-document
   - bundle config set path 'vendor'  # Install dependencies into ./vendor/ruby
+  - bundle install --jobs $(nproc)
+
+  # Install JavaScript dependencies
+  - yarn install --cache-folder .yarn-cache
 
 stages:
   - test
@@ -22,12 +44,13 @@ test:
         files:
           - yarn.lock
       paths:
-        - ".yarn-cache/"
+        - .yarn-cache/
   script:
-    - bundle install -j $(nproc)
-    - yarn install --cache-folder .yarn-cache
+    - bundle exec standardrb
     - bin/rails db:drop RAILS_ENV=test
     - bin/rails db:setup RAILS_ENV=test
-    - bundle exec standardrb
     - bin/rails test
     - bin/rails test:system
+  only:
+    - main
+    - merge_requests