Create a Function App in an App Service plan

This Azure Functions sample script creates a function app, which is a container for your functions. The function app that is created uses a dedicated App Service plan, which means your server resources are always on.

If you don't have an Azure subscription, create an Azure free account before you begin.

Prerequisites

Sample script

Launch Azure Cloud Shell

The Azure Cloud Shell is a free interactive shell that you can use to run the steps in this article. It has common Azure tools preinstalled and configured to use with your account.

To open the Cloud Shell, just select Try it from the upper right corner of a code block. You can also launch Cloud Shell in a separate browser tab by going to https://shell.azure.com.

When Cloud Shell opens, verify that Bash is selected for your environment. Subsequent sessions will use Azure CLI in a Bash environment, Select Copy to copy the blocks of code, paste it into the Cloud Shell, and press Enter to run it.

Sign in to Azure

Cloud Shell is automatically authenticated under the initial account signed-in with. Use the following script to sign in using a different subscription, replacing <Subscription ID> with your Azure Subscription ID. If you don't have an Azure subscription, create an Azure free account before you begin.

subscription="<subscriptionId>" # add subscription here

az account set -s $subscription # ...or use 'az login'

For more information, see set active subscription or log in interactively

Run the script

# Function app and storage account names must be unique.

# Variable block
let "randomIdentifier=$RANDOM*$RANDOM"
location="eastus"
resourceGroup="msdocs-azure-functions-rg-$randomIdentifier"
tag="create-function-app-consumption"
storage="msdocsaccount$randomIdentifier"
appServicePlan="msdocs-app-service-plan-$randomIdentifier"
functionApp="msdocs-serverless-function-$randomIdentifier"
skuStorage="Standard_LRS"
skuPlan="B1"
functionsVersion="4"

# Create a resource group
echo "Creating $resourceGroup in "$location"..."
az group create --name $resourceGroup --location "$location" --tags $tag

# Create an Azure storage account in the resource group.
echo "Creating $storage"
az storage account create --name $storage --location "$location" --resource-group $resourceGroup --sku $skuStorage

# Create an App Service plan
echo "Creating $appServicePlan"
az functionapp plan create --name $appServicePlan --resource-group $resourceGroup --location "$location" --sku $skuPlan

# Create a Function App
echo "Creating $functionApp"
az functionapp create --name $functionApp --storage-account $storage --plan $appServicePlan --resource-group $resourceGroup --functions-version $functionsVersion

Clean up resources

Use the following command to remove the resource group and all resources associated with it using the az group delete command - unless you have an ongoing need for these resources. Some of these resources may take a while to create, as well as to delete.

az group delete --name $resourceGroup

Sample reference

Each command in the table links to command specific documentation. This script uses the following commands:

Command Notes
az group create Creates a resource group in which all resources are stored.
az storage account create Creates an Azure Storage account.
az functionapp plan create Creates a Premium plan.
az functionapp create Creates a function app in the App Service plan.

Next steps

For more information on the Azure CLI, see Azure CLI documentation.

Additional Azure Functions CLI script samples can be found in the Azure Functions documentation.