AzureHow-ToBeginner · 4 min read

How to Create App Service in Azure: Step-by-Step Guide

To create an App Service in Azure, use the az webapp create command with a resource group, app service plan, and app name. This sets up a web app hosting environment ready for your application code.

📐

Syntax

The basic command to create an Azure App Service is:

az webapp create --resource-group <resource-group-name> --plan <app-service-plan> --name <app-name> --runtime <runtime>

Explanation of parts:

--resource-group: The Azure resource group to contain the app.
--plan: The App Service plan that defines the compute resources.
--name: The unique name of your web app.
--runtime: The runtime stack your app will use (e.g., NODE|14-lts, DOTNETCORE|6.0).

bash

az webapp create --resource-group MyResourceGroup --plan MyAppServicePlan --name MyUniqueAppName --runtime "DOTNETCORE|6.0"

💻

Example

This example creates a new App Service named myappservice123 in the resource group MyResourceGroup using the plan MyPlan with a Node.js 14 runtime.

bash

az group create --name MyResourceGroup --location eastus
az appservice plan create --name MyPlan --resource-group MyResourceGroup --sku B1 --is-linux
az webapp create --resource-group MyResourceGroup --plan MyPlan --name myappservice123 --runtime "NODE|14-lts"

Output

ResourceGroup 'MyResourceGroup' created. AppServicePlan 'MyPlan' created. Webapp 'myappservice123' created.

⚠️

Common Pitfalls

Using a non-unique app name causes creation to fail because app names must be globally unique.
Not creating or specifying an App Service plan will cause errors; the plan defines the hosting resources.
Choosing an unsupported runtime string leads to deployment failure; check Azure documentation for valid runtime values.

bash

Wrong:
az webapp create --resource-group MyResourceGroup --plan MyPlan --name existingappname --runtime "PYTHON|3.7"

Right:
az webapp create --resource-group MyResourceGroup --plan MyPlan --name uniqueappname123 --runtime "PYTHON|3.7"

📊

Quick Reference

Parameter	Description	Example
--resource-group	Name of the Azure resource group	MyResourceGroup
--plan	App Service plan name	MyAppServicePlan
--name	Unique web app name	myappservice123
--runtime	Runtime stack for the app	NODE\|14-lts
--sku	Pricing tier for the plan	B1 (Basic)
--is-linux	Use Linux OS for the app	true

✅

Key Takeaways

Use the az CLI command 'az webapp create' with resource group, plan, name, and runtime to create an Azure App Service.

Ensure your app name is globally unique to avoid creation errors.

Create an App Service plan before creating the web app to define hosting resources.

Choose a supported runtime string matching your app's technology stack.

Use 'az group create' and 'az appservice plan create' commands to prepare resources before creating the app.