docs: update operator deployment

docs/usermanual/healthcheck.md

@@ -0,0 +1,72 @@
+---
+title: Healthcheck
+layout: default
+parent: User Manual
+nav_order: 4
+---
+
+
+# Healthcheck
+
+The proxy includes built-in health check routes, which can be easily enabled or disabled based on your requirements.
+
+These routes allow you to monitor the health and availability of your services.
+
+```yaml
+version: 1.0
+gateway:
+    routes:
+        - path: /cart
+          name: example route
+          rewrite: /
+          methods: []
+          healthCheck:
+            path: "/health/live"
+            interval: 30s 
+            timeout: 10s
+            healthyStatuses: [200,404] # Healthy statuses
+```
+
+- Goma Gateway health check:
+    - `/readyz`
+    - `/healthz`
+- Routes health check: `health/routes`
+
+### Gateway healthcheck response:
+
+```json
+{
+  "name": "Service Gateway",
+  "status": "healthy",
+  "error": ""
+}
+```
+### Routes healthcheck response:
+
+```json
+{
+  "status": "healthy",
+  "routes": [
+    {
+      "name": "order-service",
+      "status": "healthy",
+      "error": ""
+    },
+    {
+      "name": "notification-service",
+      "status": "healthy",
+      "error": ""
+    },
+    {
+      "name": "store-service",
+      "status": "healthy",
+      "error": ""
+    },
+    {
+      "name": "account-service",
+      "status": "healthy",
+      "error": ""
+    }
+  ]
+}
+```