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Migration 2.1

The new changes merges GPT-4 and GPT-4 Vision models into a single GPT-4o model. This allows multi-modal inputs and generates text as an output. The new model is available within the following regions.

Migration 2.0

The following changes and services are required to migrate from the old version to the new version.

Refer the .env.example file for the latest environment variable changes.

If you previously had Azure Chat running and have pulled the v2 version you will need at minimum to make the following changes:

  • Change the "OPENAI_API_KEY" environment setting to "AZURE_OPENAI_API_KEY"
  • Add an additional container to your Cosmos DB database called "config" with a partition key of "/userId"
  • Add the "AZURE_KEY_VAULT_NAME" environment setting with the name of your Azure Key Vault
  • Add the "New Azure Services" settings below if you wish to use these features

New Azure Services

  1. Azure OpenAI Service: Create a new Azure OpenAI Service and deploy a DALL-E 3 model. DALL-E is available within the following regions.

Once the model is deployed successfully, update the environment variables in the .env.local file and on Azure App settings.

# DALL-E image creation endpoint config
AZURE_OPENAI_DALLE_API_KEY=222222
AZURE_OPENAI_DALLE_API_INSTANCE_NAME=azurechat-dall-e
AZURE_OPENAI_DALLE_API_DEPLOYMENT_NAME=dall-e
AZURE_OPENAI_DALLE_API_VERSION=2023-12-01-preview
  1. Azure Blob Storage: Create a new Azure Blob Storage account and update the environment variables in the .env.local file and on Azure App settings.

The Azure Blob Storage account is used to store the images created by the DALL-E model.

# Azure Storage account to store files
AZURE_STORAGE_ACCOUNT_NAME=azurechat
AZURE_STORAGE_ACCOUNT_KEY=123456
  1. Azure OpenAI Service: Create a new Azure OpenAI Service and deploy a GPT 4 Vision model. The vision model is available within the following regions.

Once the model is deployed successfully, update the environment variables in the .env.local file and on Azure App settings.

# GPT4 V OpenaAI details
AZURE_OPENAI_VISION_API_KEY=333333
AZURE_OPENAI_VISION_API_INSTANCE_NAME=azurechat-vision
AZURE_OPENAI_VISION_API_DEPLOYMENT_NAME=gpt-4-vision
AZURE_OPENAI_VISION_API_VERSION=2023-12-01-preview

Existing Azure services

  1. Azure Key Vault: The Azure Key Vault is already created and used to store the API Keys.

Update the environment variables in the .env.local file and on Azure App settings with the key vault name. The Extension feature uses the key vault to save and retrieve the secure header values.

# Azure Key Vault to store secrets
AZURE_KEY_VAULT_NAME=
  1. Azure Cosmos DB: The Azure Cosmos DB is already created and used to store the chat data. The new version of the application segregates the data into two collections: history and config.

history: Stores the chat history data.

config: Stores the configuration data such as the prompt templates, extension details etc.

Update the environment variables in the .env.local file and on Azure App settings with the Cosmos DB account name and the database name.

# Update your Cosmos variables if you want to overwrite the default values
AZURE_COSMOSDB_DB_NAME=chat
AZURE_COSMOSDB_CONTAINER_NAME=history
# NOTE: Ensure the container is created within the Cosmos db database
AZURE_COSMOSDB_CONFIG_CONTAINER_NAME=config