Merge pull request #115831 from mumian/0520-ds-env

add the environment variable size limit

Author: PRMerger6

articles/azure-resource-manager/templates/deployment-script-template.md

@@ -5,7 +5,7 @@ services: azure-resource-manager
 author: mumian
 ms.service: azure-resource-manager
 ms.topic: conceptual
-ms.date: 05/06/2020
+ms.date: 05/20/2020
 ms.author: jgao
 
 ---
@@ -250,6 +250,8 @@ You can control how PowerShell responds to non-terminating errors by using the [
 
 Setting environment variables (EnvironmentVariable) in your container instances allows you to provide dynamic configuration of the application or script run by the container. Deployment script handles non-secured and secured environment variables in the same way as Azure Container Instance. For more information, see [Set environment variables in container instances](../../container-instances/container-instances-environment-variables.md#secure-values).
 
+The max allowed size for environment variables is 64KB.
+
 ## Debug deployment scripts
 
 The script service creates a [storage account](../../storage/common/storage-account-overview.md) (unless you specify an existing storage account) and a [container instance](../../container-instances/container-instances-overview.md) for script execution. If these resources are automatically created by the script service, both resources have the **azscripts** suffix in the resource names.