Update nodejs.yml

.github/workflows/nodejs.yml

@@ -7,9 +7,6 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version: [14.x]
     services:
       postgres:
         image: postgres
@@ -22,6 +19,9 @@ jobs:
           --health-retries 5
         ports:
           - 5432:5432
+    strategy:
+      matrix:
+        node-version: [14.x]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}