refine docs

Author: Xuyang Cao

articles/container-apps/java-admin-eureka-integration.md

@@ -28,6 +28,7 @@ To complete this tutorial, you need the following items:
 |--|--|
 | Azure account | An active subscription is required. If you don't have one, you [can create one for free](https://azure.microsoft.com/free/). |
 | Azure CLI | Install the [Azure CLI](/cli/azure/install-azure-cli).|
+| An existing Eureka Server for Spring Java component | If you don't have one, follow the [Create the Eureka Server for Spring](#create-the-eureka-server-for-spring) section to create one. |
 
 ## Considerations
 
@@ -88,9 +89,9 @@ Before you begin, create the necessary resources by executing the following comm
       --location $LOCATION
     ```
 
-## Create the Eureka Server for Spring
+## Optional: Create the Eureka Server for Spring
 
-1. Create the Eureka Server Java component.
+1. If you don't have an existing Eureka Server for Spring, follow the command below to create the Eureka Server Java component.
 
     ```azurecli
     az containerapp env java-component eureka-server-for-spring create \

articles/container-apps/java-admin.md

@@ -185,6 +185,10 @@ Now that you have an existing environment, you can create your container app and
 
     :::image type="content" source="media/java-components/sba-alone.png" alt-text="Screenshot of the Admin for Spring dashboard."  lightbox="media/java-components/sba-alone.png":::
 
+## Optional: Integrate the Eureka Server for Spring and Admin for Spring Java components
+
+If you want to integrate the Eureka Server for Spring and the Admin for Spring Java components, you can follow the steps in the [Tutorial: Integrate the managed Admin for Spring with Eureka Server for Spring](java-admin-eureka-integration.md).
+
 ## Clean up resources
 
 The resources created in this tutorial have an effect on your Azure bill. If you aren't going to use these services long-term, run the following command to remove everything created in this tutorial.

articles/container-apps/java-eureka-server.md

@@ -201,6 +201,10 @@ Now that you have an existing environment, you can create your container app and
 
     :::image type="content" source="media/java-components/eureka-alone.png" alt-text="Screenshot of the Eureka Server for Spring dashboard."  lightbox="media/java-components/eureka-alone.png":::
 
+## Optional: Integrate the Eureka Server for Spring and Admin for Spring Java components
+
+If you want to integrate the Eureka Server for Spring and the Admin for Spring Java components, you can follow the steps in the [Tutorial: Integrate the managed Admin for Spring with Eureka Server for Spring](java-admin-eureka-integration.md).
+
 ## Clean up resources
 
 The resources created in this tutorial have an effect on your Azure bill. If you aren't going to use these services long-term, run the following command to remove everything created in this tutorial.