fix: Fixing workflow file to tests are working with database.

.github/workflows/ci.yml

@@ -10,6 +10,17 @@ jobs:
   build:
     name: Build and test
     runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:12
+        ports: ['5432:5432']
+        env:
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
 
     steps:
     - uses: actions/checkout@v2