update the main bicep file

app/Directory.Packages.props

@@ -45,6 +45,7 @@
     <PackageVersion Include="MudBlazor" Version="6.11.1" />
     <PackageVersion Include="PdfSharpCore" Version="1.3.62" />
     <PackageVersion Include="Pinecone.NET" Version="1.3.2" />
+    <PackageVersion Include="StackExchange.Redis" Version="2.7.27" />
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.5.0" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.Linq.Async" Version="6.0.1" />

app/functions/EmbedFunctions/EmbedFunctions.csproj

@@ -21,6 +21,7 @@
     <PackageReference Include="Microsoft.Extensions.Azure" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" />
     <PackageReference Include="Pinecone.NET" />
+    <PackageReference Include="StackExchange.Redis" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\shared\Shared\Shared.csproj" />

app/shared/Shared/EmbeddingType.cs

@@ -26,5 +26,11 @@ public enum EmbeddingType
     /// Embed using the Milvus Vector Database.
     /// See <a href='https://milvus.io'>https://milvus.io</a>
     /// </summary>
-    Milvus = 3
+    Milvus = 3,
+
+    /// <summary>
+    /// Embed using the Redis Vector Database.
+    /// See <a href='https://redis.com'>https://redis.com</a>
+    /// </summary>
+    Redis = 4
 };

infra/main.bicep

@@ -130,6 +130,18 @@ param searchServiceResourceGroupName string = ''
 @description('SKU name for the Azure Cognitive Search service. Default: standard')
 param searchServiceSkuName string = 'standard'
 
+@description('Name of the Azure Cache for Redis search index. Default: gptkbindex')
+param azureCacheIndexName string = 'gptkbindex'
+
+@description('Name of the Azure Cache for Redis service')
+param azureCacheName string = ''
+
+@description('Location of the resource group for the Azure Cache for Redis service')
+param azureCacheResourceGroupLocation string = location
+
+@description('Name of the resource group for the Azure Cache for Redis service')
+param azureCacheResourceGroupName string = ''
+
 @description('Name of the storage account')
 param storageAccountName string = ''
 
@@ -169,6 +181,9 @@ param openAiEmbeddingDeployment string
 @description('Use Vision retrival. default: false')
 param useVision bool = false
 
+@description('Use Azure Cache. default: false')
+param useRedis bool = false
+
 var abbrs = loadJsonContent('./abbreviations.json')
 var resourceToken = toLower(uniqueString(subscription().id, environmentName, location))
 
@@ -199,6 +214,10 @@ resource searchServiceResourceGroup 'Microsoft.Resources/resourceGroups@2021-04-
   name: !empty(searchServiceResourceGroupName) ? searchServiceResourceGroupName : resourceGroup.name
 }
 
+resource azureCacheResourceGroup 'Microsoft.Resources/resourceGroups@2021-04-01' existing = if (!empty(azureCacheResourceGroupName)) {
+  name: !empty(azureCacheResourceGroupName) ? azureCacheResourceGroupName : resourceGroup.name
+}
+
 resource storageResourceGroup 'Microsoft.Resources/resourceGroups@2021-04-01' existing = if (!empty(storageResourceGroupName)) {
   name: !empty(storageResourceGroupName) ? storageResourceGroupName : resourceGroup.name
 }
@@ -250,6 +269,10 @@ module keyVaultSecrets 'core/security/keyvault-secrets.bicep' = {
         name: 'UseVision'
         value: useVision ? 'true' : 'false'
       }
+      {
+        name: 'UseRedis'
+        value: useRedis ? 'true' : 'false'
+      }
     ],
     useAOAI ? [
       {
@@ -283,6 +306,16 @@ module keyVaultSecrets 'core/security/keyvault-secrets.bicep' = {
         name: 'AzureComputerVisionServiceEndpoint'
         value: computerVision.outputs.endpoint
       }
+    ] : [],
+    useRedis ? [
+      {
+        name: 'AzureCacheServiceEndpoint'
+        value: azureCache.outputs.endpoint
+      }
+      {
+        name: 'AzureCacheIndex'
+        value: azureCacheIndexName
+      }
     ] : [])
   }
 }
@@ -370,6 +403,9 @@ module function './app/function.bicep' = {
       AZURE_OPENAI_ENDPOINT: useAOAI ? azureOpenAi.outputs.endpoint : ''
       USE_VISION: string(useVision)
       USE_AOAI: string(useAOAI)
+      USE_REDIS: string(useRedis)
+      AZURE_CACHE_SERVICE_ENDPOINT: useRedis ? azureCache.outputs.endpoint : ''
+      AZURE_CACHE_INDEX: azureCacheIndexName
       AZURE_COMPUTER_VISION_ENDPOINT: useVision ? computerVision.outputs.endpoint : ''
       OPENAI_API_KEY: useAOAI ? '' : openAIApiKey
     }
@@ -493,6 +529,17 @@ module searchService 'core/search/search-services.bicep' = {
   }
 }
 
+module azureCache 'core/search/azure-cache.bicep' = if (useRedis) {
+  name: 'azure-cache'
+  scope: azureCacheResourceGroup
+  params: {
+    name: !empty(azureCacheName) ? azureCacheName : 'azurecachekb-${resourceToken}'
+    location: azureCacheResourceGroupLocation
+    tags: updatedTags
+    skuName: 'Enterprise_E5'
+  }
+}
+
 module storage 'core/storage/storage-account.bicep' = {
   name: 'storage'
   scope: storageResourceGroup
@@ -757,6 +804,11 @@ output AZURE_SEARCH_INDEX string = searchIndexName
 output AZURE_SEARCH_SERVICE string = searchService.outputs.name
 output AZURE_SEARCH_SERVICE_ENDPOINT string = searchService.outputs.endpoint
 output AZURE_SEARCH_SERVICE_RESOURCE_GROUP string = searchServiceResourceGroup.name
+output AZURE_CACHE_INDEX string = azureCacheIndexName
+output AZURE_CACHE_SERVICE string = azureCache.outputs.name
+output AZURE_CACHE_SERVICE_ENDPOINT string = azureCache.outputs.endpoint
+output AZURE_CACHE_SERVICE_RESOURCE_GROUP string = azureCacheResourceGroup.name
+output USE_REDIS bool = useRedis
 output AZURE_STORAGE_ACCOUNT string = storage.outputs.name
 output AZURE_STORAGE_BLOB_ENDPOINT string = storage.outputs.primaryEndpoints.blob
 output AZURE_STORAGE_CONTAINER string = storageContainerName

infra/main.parameters.json

@@ -59,6 +59,12 @@
     "searchServiceResourceGroupName": {
       "value": "${AZURE_SEARCH_SERVICE_RESOURCE_GROUP}"
     },
+    "azureCacheName": {
+      "value": "${AZURE_CACHE_SERVICE}"
+    },
+    "azureCacheResourceGroupName": {
+      "value": "${AZURE_CACHE_SERVICE_RESOURCE_GROUP}"
+    },
     "searchServiceSkuName": {
       "value": "standard"
     },
@@ -89,6 +95,9 @@
     "useVision": {
       "value": "${USE_VISION=false}"
     },
+    "useRedis": {
+      "value": "${USE_REDIS=false}"
+    },
     "openAiChatGptDeployment": {
       "value": "${OPENAI_CHATGPT_DEPLOYMENT=gpt-3.5-turbo}"
     },