Update jekyll.yml

Author: weizhi-lin

.github/workflows/jekyll.yml

@@ -33,20 +33,36 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
+      - name: Install Java (Fix for missing JRE)
+        run: |
+          sudo apt update
+          sudo apt install -y default-jdk
+          java -version  # Verify Java installation
+
+      - name: Install Ruby manually (if needed)
+        run: |
+          sudo apt update
+          sudo apt install -y ruby-full
+          ruby -v  # Verify Ruby installation
+
       - name: Setup Ruby
-        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.1' # Not needed with a .ruby-version file
-          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-          cache-version: 0 # Increment this number if you need to re-download cached gems
+          bundler-cache: true  # Runs 'bundle install' and caches installed gems automatically
+          cache-version: 1  # Increment this to force cache refresh
+
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5
+
       - name: Build with Jekyll
         # Outputs to the './_site' directory by default
         run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           JEKYLL_ENV: production
+
       - name: Upload artifact
         # Automatically uploads an artifact from the './_site' directory by default
         uses: actions/upload-pages-artifact@v3