Creating Azure Function App#

Note

We'll create the Azure Function using Azure Portal, but this can also be done via VS Code or Azure CLI.

Create Function App in Azure Portal#

Select resource group az-func-demo-wus
Click +Create in the overview tab
Search for Function App in marketplace and click create

Configuration Options#

Setting	Value
Function App name	`function-demo` (globally unique)
Publish	Code
Runtime stack	Python
Version	3.9
Region	West US
Operating System	Linux
Plan Type	Consumption

Under Monitoring tab, ensure Application Insight is enabled
Under Deployment tab, link your GitHub repository
Click Review+Create and wait for deployment

Refresh VS Code#

Click on Azure extension → Resources → Function App → Refresh

Tip

If refresh doesn't work, try re-authenticating: Press Cmd+Shift+P and select Azure: Sign Out, then login again.

Create Function from VS Code#

Click Azure extension → Workspace → + icon → Create HTTP Function
Select Python as language
Select python3.9 as interpreter
Name your function: functiondemo

VS Code will create this structure:

.
├── README.md
├── host.json
├── local.settings.json
├── requirements.txt
└── functiondemo
    ├── __init__.py
    ├── function.json
    └── sample.dat

Test Locally#

Add .vscode, .venv, __pycache__ to .gitignore
Run → Run Without Debugging
Test the endpoint: http://localhost:7071/api/functiondemo

Deploy to Azure#

git add .
git commit -m "First Commit"
git push

Once GitHub Action completes, verify at: https://function-demo.azurewebsites.net/api/functiondemo

Azure Functions Tutorial: Creating Function App