Create a serverless Python function app using Azure CLI
This Azure Functions sample script creates a function app, which is a container for your functions. This script creates an Azure Function app using the Consumption plan.
Note
The function app created runs on Python version 3.9. Python version 3.7 and 3.8 are also supported by Azure Functions.
If you don't have an Azure subscription, create an Azure free account before you begin.
Prerequisites
Use the Bash environment in Azure Cloud Shell. For more information, see Quickstart for Bash in Azure Cloud Shell.
If you prefer to run CLI reference commands locally, install the Azure CLI. If you're running on Windows or macOS, consider running Azure CLI in a Docker container. For more information, see How to run the Azure CLI in a Docker container.
If you're using a local installation, sign in to the Azure CLI by using the az login command. To finish the authentication process, follow the steps displayed in your terminal. For other sign-in options, see Sign in with the Azure CLI.
When you're prompted, install the Azure CLI extension on first use. For more information about extensions, see Use extensions with the Azure CLI.
Run az version to find the version and dependent libraries that are installed. To upgrade to the latest version, run az upgrade.
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 subscriptionId with your Azure subscription ID.
If you don't have an Azure subscription, create an Azure free account before you begin.
subscription="subscriptionId" # Set Azure subscription ID 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-python"
storage="msdocsaccount$randomIdentifier"
functionApp="msdocs-serverless-python-function-$randomIdentifier"
skuStorage="Standard_LRS"
functionsVersion="4"
pythonVersion="3.9" #Allowed values: 3.7, 3.8, and 3.9
# 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 a serverless python function app in the resource group.
echo "Creating $functionApp"
az functionapp create --name $functionApp --storage-account $storage --consumption-plan-location "$location" --resource-group $resourceGroup --os-type Linux --runtime python --runtime-version $pythonVersion --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 create | Creates a function app. |
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.