Quickstart: Deploy a Python (Django or Flask) web app to Azure - Azure App Service (2024)

git clone https://github.com/Azure-Samples/msdocs-python-flask-webapp-quickstart

1. Go to the application folder:

   cd msdocs-python-flask-webapp-quickstart

2. Create a virtual environment for the app:

   • Windows
   • macOS/Linux

   py -m venv .venv.venv\scripts\activate

3. Install the dependencies:

   pip install -r requirements.txt

4. Run the app:

   flask run

5. Browse to the sample application at http://localhost:5000 in a web browser.

   See Also

   How to add Python to PATH variable in Windows.Exe Files - Everything You Need To Know About them - GlassWire BlogWhat is an executable file (EXE file)?How to Run Your Python Scripts and Code – Real Python

   

Having issues? Let us know.

Azure CLI commands can be run on a computer with the Azure CLI installed.

Azure CLI has a command az webapp up that will create the necessary resources and deploy your application in a single step.

If necessary, login to Azure using az login.

az login

Create the webapp and other resources, then deploy your code to Azure using az webapp up.

az webapp up --runtime PYTHON:3.9 --sku B1 --logs

• The --runtime parameter specifies what version of Python your app is running. This example uses Python 3.9. To list all available runtimes, use the command az webapp list-runtimes --os linux --output table.
• The --sku parameter defines the size (CPU, memory) and cost of the app service plan. This example uses the B1 (Basic) service plan, which will incur a small cost in your Azure subscription. For a full list of App Service plans, view the App Service pricing page.
• The --logs flag configures default logging required to enable viewing the log stream immediately after launching the webapp.
• You can optionally specify a name with the argument --name <app-name>. If you don't provide one, then a name will be automatically generated.
• You can optionally include the argument --location <location-name> where <location_name> is an available Azure region. You can retrieve a list of allowable regions for your Azure account by running the az account list-locations command.

The command may take a few minutes to complete. While the command is running, it provides messages about creating the resource group, the App Service plan, and the app resource, configuring logging, and doing ZIP deployment. It then gives the message, "You can launch the app at http://<app-name>.azurewebsites.net", which is the app's URL on Azure.

The webapp '<app-name>' doesn't existCreating Resource group '<group-name>' ...Resource group creation completeCreating AppServicePlan '<app-service-plan-name>' ...Creating webapp '<app-name>' ...Configuring default logging for the app, if not already enabledCreating zip with contents of dir /home/cephas/myExpressApp ...Getting scm site credentials for zip deploymentStarting zip deployment. This operation can take a while to complete ...Deployment endpoint responded with status code 202You can launch the app at http://<app-name>.azurewebsites.net{ "URL": "http://<app-name>.azurewebsites.net", "appserviceplan": "<app-service-plan-name>", "location": "centralus", "name": "<app-name>", "os": "<os-type>", "resourcegroup": "<group-name>", "runtime_version": "python|3.9", "runtime_version_detected": "0.0", "sku": "FREE", "src_path": "<your-folder-location>"}

Since the az webapp up command created the necessary resources and deployed your application in a single step, you can move on to 4 - Browse to the app.

app = Flask(__name__)@app.route('/')def index(): print('Request for index page received') return render_template('index.html')@app.route('/favicon.ico')def favicon(): return send_from_directory(os.path.join(app.root_path, 'static'), 'favicon.ico', mimetype='image/vnd.microsoft.icon')@app.route('/hello', methods=['POST'])def hello(): name = request.form.get('name')

First, you need to configure Azure App Service to output logs to the App Service filesystem using the az webapp log config command.

az webapp log config \ --web-server-logging filesystem \ --name $APP_SERVICE_NAME \ --resource-group $RESOURCE_GROUP_NAME

To stream logs, use the az webapp log tail command.

az webapp log tail \ --name $APP_SERVICE_NAME \ --resource-group $RESOURCE_GROUP_NAME

Refresh the home page in the app or attempt other requests to generate some log messages. The output should look similar to the following.

Starting Live Log Stream ---2021-12-23T02:15:52.740703322Z Request for index page received2021-12-23T02:15:52.740740222Z 169.254.130.1 - - [23/Dec/2021:02:15:52 +0000] "GET / HTTP/1.1" 200 1360 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/hello" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:15:52.841043070Z 169.254.130.1 - - [23/Dec/2021:02:15:52 +0000] "GET /static/bootstrap/css/bootstrap.min.css HTTP/1.1" 200 0 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:15:52.884541951Z 169.254.130.1 - - [23/Dec/2021:02:15:52 +0000] "GET /static/images/azure-icon.svg HTTP/1.1" 200 0 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:15:53.043211176Z 169.254.130.1 - - [23/Dec/2021:02:15:53 +0000] "GET /favicon.ico HTTP/1.1" 404 232 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:16:01.304306845Z Request for hello page received with name=David2021-12-23T02:16:01.304335945Z 169.254.130.1 - - [23/Dec/2021:02:16:01 +0000] "POST /hello HTTP/1.1" 200 695 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:16:01.398399251Z 169.254.130.1 - - [23/Dec/2021:02:16:01 +0000] "GET /static/bootstrap/css/bootstrap.min.css HTTP/1.1" 304 0 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/hello" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"2021-12-23T02:16:01.430740060Z 169.254.130.1 - - [23/Dec/2021:02:16:01 +0000] "GET /static/images/azure-icon.svg HTTP/1.1" 304 0 "https://msdocs-python-webapp-quickstart-123.azurewebsites.net/hello" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0"

Delete the resource group by using the az group delete command.

az group delete \ --name msdocs-python-webapp-quickstart \ --no-wait

The --no-wait argument allows the command to return before the operation is complete.