docs: update deployment doc

docs/quickstart/healthcheck.md

@@ -0,0 +1,54 @@
+---
+title: Healthcheck
+layout: default
+parent: Quickstart
+nav_order: 2
+---
+
+
+# Healthcheck
+
+Goma comes with routes healthcheck, that can be enabled and disabled.
+
+
+- Goma Gateway healthcheck: `/health/live`
+- 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": ""
+    }
+  ]
+}
+```