Add healthcheck for Umami service and update service-templates.json

templates/compose/umami.yaml

@@ -15,6 +15,11 @@ services:
     depends_on:
       postgresql:
         condition: service_healthy
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/heartbeat"]
+      interval: 5s
+      timeout: 20s
+      retries: 10
   postgresql:
     image: postgres:16-alpine
     volumes: