more experimental CICD

server/.github/workflows/node.js.yml

@@ -15,10 +15,26 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+
     - name: Test on Node.js 15
       uses: actions/setup-node@v2
       with:
         node-version: 15.x
+        
+    - name: Cache pnpm modules
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-pnpm-modules
+      with:
+        path: ~/.pnpm-store
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-15.x-${{ hashFiles('**/package.json') }}
+        restore-keys: |
+          ${{ runner.os }}-build-${{ env.cache-name }}-15.x-
+    
+    - uses: pnpm/action-setup@v2.0.1
+      with:
+        version: 6.0.2
+  
     - run: pnpm ci
     - run: pnpm lint
     - run: pnpm test