Update simplified CD guideline

README.md

@@ -234,29 +234,19 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [ 18.x ]
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v2
-
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      # Init cache to speed up yarn install
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - uses: actions/cache@v2
+        uses: actions/checkout@v4
+        
+      # Enable if using Yarn >= 2  
+      # - name: Enable Corepack for Yarn
+      #   run: corepack enable
+
+      - name: Configure Node.js
+        uses: actions/setup-node@v4
         with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-node-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-node-
+          node-version: '20'
+          cache: 'yarn'
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile # or `yarn install --immutable` for Yarn >= 2