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Serverless RAG application with LlamaIndex and Azure Dyamic Sessions Tool

Open project in GitHub Codespaces Open project in Dev Containers Build Status Node version License

This is a LlamaIndex project using Next.js bootstrapped with create-llama. It uses Azure Container Apps as a serverless deployment platform and Azure Dymanic Session as a tool for code interpretation.

Features Architecture Diagram Demo Video Getting Started Contributing Give us a star

Screenshot showing the LlamaIndex app in action

Important Security Notice

This template, the application code and configuration it contains, has been built to showcase Microsoft Azure specific services and tools. We strongly advise our customers not to make this code part of their production environments without implementing or enabling additional security features.

Features

Architecture Diagram

Screenshot showing the chatgpt app high level diagram

Azure account requirements

To deploy this template, you need an Azure subscription. If you don't have an Azure subscription, create a free account before you begin.

Getting Started

You have a few options for getting started with this template. The quickest way to get started is GitHub Codespaces, since it will setup all the tools for you, but you can also set it up locally. You can also use a VS Code dev container

This template uses gpt-4o-mini which may not be available in all Azure regions. Check for up-to-date region availability and select a region during deployment accordingly

  • We recommend using eastus

GitHub Codespaces

You can run this template virtually by using GitHub Codespaces. The button will open a web-based VS Code instance in your browser:

  1. Open the template (this may take several minutes) Open in GitHub Codespaces

  2. Open a terminal window

  3. Sign into your Azure account:

     azd auth login --use-device-code
  4. Provision the Azure resources and deploy your code:

    azd up

You will be prompted to select some details about your deployed resources, including location. As a reminder we recommend eastus as the region for this project. Once the deployment is complete you should be able to scroll up in your terminal and see the url that the app has been deployed to. It should look similar to this Ingress Updated. Access your app at https://env-name.codespacesname.eastus.azurecontainerapps.io/. Navigate to the link to try out the app straight away!

VS Code Dev Containers

A related option is VS Code Dev Containers, which will open the project in your local VS Code using the Dev Containers extension:

  1. Start Docker Desktop (install it if not already installed)

  2. Open the project: Open in Dev Containers

  3. In the VS Code window that opens, once the project files show up (this may take several minutes), open a terminal window.

  4. Sign into your Azure account:

     azd auth login
  5. Provision the Azure resources and deploy your code:

    azd up
  6. Install the app dependencies:

     npm install
  7. Configure a CI/CD pipeline:

    azd pipeline config

To start the web app, run the following command:

npm run dev

Open the URL http://localhost:3000 in your browser to interact with the bot.

Local Environment

Prerequisites

You need to install following tools to work on your local machine:

  • Install azd
    • Windows: winget install microsoft.azd
    • Linux: curl -fsSL https://aka.ms/install-azd.sh | bash
    • MacOS: brew tap azure/azd && brew install azd
  • Docker Desktop (for Mac M1 M2 M3, use Docker Desktop for Apple Silicon 4.34.2 or later)
  • Node.js (v20 LTS)
  • Git

Then you can get the project code:

  1. Fork the project to create your own copy of this repository.
  2. On your forked repository, select the Code button, then the Local tab, and copy the URL of your forked repository.
  3. Open a terminal and run this command to clone the repo: git clone <your-repo-url>

Quickstart

  1. Bring down the template code:

    azd init --template llama-index-azure-code-interpreter

    This will perform a git clone

  2. Sign into your Azure account:

     azd auth login
  3. Install all dependencies:

     npm install
  4. Provision and deploy the project to Azure:

    azd up
  5. Configure a CI/CD pipeline:

    azd pipeline config

Once your deployment is complete, you should see a .env file at the root of the project. This file contains the environment variables needed to run the application using Azure resources.

Local Development

First, install the dependencies:

npm install

Second, generate the embeddings of the documents in the ./data directory (if this folder exists - otherwise, skip this step):

npm run generate

Third, run the development server:

npm run dev

Open http://localhost:3000 with your browser to see the result.

Local Development (Using Docker)
  1. Build an image for the Next.js app:
docker build -t <your_app_image_name> .
  1. Generate embeddings:

Parse the data and generate the vector embeddings if the ./data folder exists - otherwise, skip this step:

docker run \
  --rm \
  -v $(pwd)/.env:/app/.env \ # Use ENV variables and configuration from your file-system
  -v $(pwd)/config:/app/config \
  -v $(pwd)/data:/app/data \
  -v $(pwd)/cache:/app/cache \ # Use your file system to store the vector database
  <your_app_image_name> \
  npm run generate
  1. Start the app:
docker run \
  --rm \
  -v $(pwd)/.env:/app/.env \ # Use ENV variables and configuration from your file-system
  -v $(pwd)/config:/app/config \
  -v $(pwd)/cache:/app/cache \ # Use your file system to store gea vector database
  -p 3000:3000 \
  <your_app_image_name>

Guidance

Region Availability

This template uses gpt-4o-mini which may not be available in all Azure regions. Check for up-to-date region availability and select a region during deployment accordingly

  • We recommend using eastus

Costs

You can estimate the cost of this project's architecture with Azure's pricing calculator

  • Azure Container Apps: Consumption plan, Free for the first 2M executions. Pricing per execution and memory used. Pricing
  • Azure OpenAI: Standard tier, GPT and Ada models. Pricing per 1K tokens used, and at least 1K tokens are used per question. Pricing

Warning

To avoid unnecessary costs, remember to take down your app if it's no longer in use, either by deleting the resource group in the Portal or running azd down --purge.

Security

This template has Managed Identity built in to eliminate the need for developers to manage these credentials. Applications can use managed identities to obtain Microsoft Entra tokens without having to manage any credentials. Additionally, we have added a GitHub Action tool that scans the infrastructure-as-code files and generates a report containing any detected issues. To ensure best practices in your repo we recommend anyone creating solutions based on our templates ensure that the Github secret scanning setting is enabled in your repos.

Resources

Here are some resources to learn more about the technologies used in this sample:

You can also find more Azure AI samples here.

Troubleshooting

If you can't find a solution to your problem, please open an issue in this repository.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.

When you submit a pull request, a CLA bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact [email protected] with any additional questions or comments.

Trademarks

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.

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