Add postgres service

.github/workflows/test_kubernetes.yml

@@ -11,6 +11,23 @@ on:
 jobs:
   run-kubernets-tests:
     runs-on: ubuntu-latest
+    services:
+      # Label used to access the service container
+      postgres:
+        # Docker Hub image
+        image: postgres
+        # Provide the password for postgres
+        env:
+          POSTGRES_PASSWORD: postgres
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          # Maps tcp port 5432 on service container to the host
+          - 5432:543
     steps:
       - uses: actions/checkout@v3
       - name: Kubernetes KinD Cluster