Intelligent apps - load balance - ACA (#39821)

* Intelligent apps - load balance - ACA

* Remove trailing spaces

* rest of markdown fixes

* more markdownlint

* openpublish 1

* touch for rebuild

* Fix url for azd

* edits

* touch

docs/azure/TOC.yml

@@ -49,6 +49,8 @@
     href: ./ai/azure-ai-for-dotnet-developers.md
   - name: Get started with the .NET enterprise chat sample
     href: ./ai/get-started-app-chat-template.md
+  - name: Scale Azure OpenAI with Azure Container apps
+    href: ./ai/get-started-app-chat-scaling-with-azure-container-apps.md
 - name: Azure SDK for .NET
   items:
     - name: What is the Azure SDK for .NET?

docs/azure/ai/get-started-app-chat-scaling-with-azure-container-apps.md

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+---
+title: Scale Azure OpenAI for .NET chat sample using RAG
+description: Learn how to add load balancing to your application to extend the chat app beyond the Azure OpenAI token and model quota limits.
+ms.date: 03/08/2024
+ms.topic: get-started
+ms.custom: devx-track-java, devx-track-java-ai
+# CustomerIntent: As a .NET developer new to Azure OpenAI, I want to scale my OpenAI capacity to avoid rate limit errors.
+---
+
+# Scale Azure OpenAI for .NET chat using RAG with Azure Container Apps
+
+[!INCLUDE [aca-load-balancer-intro](~/azure-dev-docs-pr/articles/intro/includes//scaling-load-balancer-introduction-azure-container-apps.md)]
+
+## Prerequisites
+
+* Azure subscription.  [Create one for free](https://azure.microsoft.com/free/ai-services?azure-portal=true)
+* Access granted to Azure OpenAI in the desired Azure subscription.
+
+    Currently, access to this service is granted only by application. You should [apply for access](https://aka.ms/oai/access) to Azure OpenAI.
+
+* [Dev containers](https://containers.dev/) are available for both samples, with all dependencies required to complete this article. You can run the dev containers in GitHub Codespaces (in a browser) or locally using Visual Studio Code.
+
+#### [Codespaces (recommended)](#tab/github-codespaces)
+
+* Only a [GitHub account](https://www.github.com/login) is required to use CodeSpaces
+
+#### [Visual Studio Code](#tab/visual-studio-code)
+
+* [Azure Developer CLI](/azure/developer/azure-developer-cli/install-azd)
+* [Docker Desktop](https://www.docker.com/products/docker-desktop/) - start Docker Desktop if it's not already running
+* [Visual Studio Code](https://code.visualstudio.com/) with [Dev Container Extension](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers)
+
+---
+
+[!INCLUDE [scaling-load-balancer-aca-procedure.md](~/azure-dev-docs-pr/articles/intro/includes//scaling-load-balancer-procedure-azure-container-apps.md)]
+
+[!INCLUDE [redeployment-procedure](~/azure-dev-docs-pr/articles/intro/includes//redeploy-procedure-chat.md)]
+
+[!INCLUDE [logs](~/azure-dev-docs-pr/articles/intro/includes//scaling-load-balancer-logs-azure-container-apps.md)]
+
+[!INCLUDE [capacity.md](~/azure-dev-docs-pr/articles/intro/includes//scaling-load-balancer-capacity.md)]
+
+[!INCLUDE [aca-cleanup](~/azure-dev-docs-pr/articles/intro/includes//scaling-load-balancer-cleanup-azure-container-apps.md)]
+
+## Sample code
+
+Samples used in this article include:
+
+* [.NET chat app with RAG](https://github.com/Azure-Samples/azure-search-openai-demo-csharp)
+* [Load Balancer with Azure Container Apps](https://github.com/Azure-Samples/openai-aca-lb)
+
+## Next step
+
+* Use [Azure Load Testing](/azure/load-testing/) to load test your chat app