feature add to get holidays #2 mod actions.

.github/workflows/go.yml

@@ -58,6 +58,16 @@ jobs:
 
   test-api:
     runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_USER: app
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: unittest
+        ports:
+          - 5432:5432
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
     steps:
     - uses: actions/checkout@v4