Add Search service SKU values

Author: jelledruyts

README.md

@@ -83,7 +83,7 @@ The following deployment parameters are used:
 | `embeddingModelVectorDimensions` | The [dimensions](https://learn.microsoft.com/azure/ai-services/openai/concepts/models#embeddings-models) of the vectors generated by the embedding model | `1536` |
 | `gptModelName` | The name of the [Azure OpenAI GPT model](https://learn.microsoft.com/azure/ai-services/openai/concepts/models) to use | `gpt-35-turbo` |
 | `gptModelVersion` | The version of the GPT model to use | `0301` |
-| `searchServiceSku` | The [name of the Azure Cognitive Search service SKU](https://learn.microsoft.com/azure/templates/microsoft.search/searchservices?pivots=deployment-language-arm-template#sku-1) to use (note that this impacts certain [limits](https://learn.microsoft.com/azure/search/search-limits-quotas-capacity), for example the maximum blob size for indexers is 16 MB on the basic tier) | `basic` |
+| `searchServiceSku` | The [name of the Azure Cognitive Search service tier](https://learn.microsoft.com/azure/search/search-sku-tier) to use (note that this impacts certain [limits](https://learn.microsoft.com/azure/search/search-limits-quotas-capacity), for example the maximum blob size for indexers is 16 MB on the basic tier) | `basic` |
 | `initialDocumentUrls` | A space-separated list of URLs for the documents to include by default | A [resiliency](https://azure.microsoft.com/mediahandler/files/resourcefiles/resilience-in-azure-whitepaper/Resiliency-whitepaper.pdf) and [compliance](https://azure.microsoft.com/mediahandler/files/resourcefiles/data-residency-data-sovereignty-and-compliance-in-the-microsoft-cloud/Data_Residency_Data_Sovereignty_Compliance_Microsoft_Cloud.pdf) document |
 
 After the solution was deployed, simply browse to the App Service web app to start searching!

azuredeploy-webapp.json

@@ -33,7 +33,13 @@
         "searchServiceSku": {
             "type": "String",
             "minLength": 1,
-            "defaultValue": "basic"
+            "defaultValue": "basic",
+            "allowedValues": [
+                "basic",
+                "standard",
+                "standard2",
+                "standard3"
+            ]
         },
         "initialDocumentUrls": {
             "type": "String",