Create a function app in Azure that is deployed from GitHub

This Azure Functions sample script creates a function app using the Consumption plan, along with its related resources. The script also configures your function code for continuous deployment from a public GitHub repository. There is also commented out code for using a private GitHub repository.

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

• Use the Bash environment in Azure Cloud Shell. For more information, see Get started with 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 Authenticate to Azure using Azure CLI.

  • When you're prompted, install the Azure CLI extension on first use. For more information about extensions, see Use and manage 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.

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.

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 account, create a 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.

# Function app and storage account names must be unique.
let "randomIdentifier=$RANDOM*$RANDOM"
location=eastus
resourceGroup="msdocs-azure-functions-rg-$randomIdentifier"
tag="deploy-function-app-with-function-github"
storage="msdocs$randomIdentifier"
skuStorage="Standard_LRS"
functionApp=mygithubfunc$randomIdentifier
functionsVersion="4"
runtime="node"
# Public GitHub repository containing an Azure Functions code project.
gitrepo=https://github.com/Azure-Samples/functions-quickstart-javascript
## Enable authenticated git deployment in your subscription when using a private repo. 
#token=<Replace with a GitHub access token when using a private repo.>
#az functionapp deployment source update-token \
#  --git-token $token

# 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 function app with source files deployed from the specified GitHub repo.
echo "Creating $functionApp"
az functionapp create --name $functionApp --storage-account $storage --consumption-plan-location "$location" --resource-group $resourceGroup --deployment-source-url $gitrepo --deployment-source-branch main --functions-version $functionsVersion --runtime $runtime

# Connect to function application
curl -s "https://${functionApp}.azurewebsites.net/api/httpexample?name=Azure"

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

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

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.