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ARM template resources section in Azure - Commands & Configuration

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Introduction

When you want to create or manage cloud resources in Azure, you need a way to describe what you want. The resources section in an ARM template lists all the cloud resources you want to create or update in your Azure environment.

When you want to deploy a virtual machine with specific settings automatically.

When you need to create a storage account along with your app without clicking in the portal.

When you want to update or add resources in a repeatable way across different environments.

When you want to share your infrastructure setup with your team as code.

When you want to automate resource deployment as part of a bigger process.

Config File - azuredeploy.json

azuredeploy.json

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2022-09-01",
      "name": "examplestorageacct",
      "location": "eastus",
      "sku": {
        "name": "Standard_LRS"
      },
      "kind": "StorageV2",
      "properties": {}
    }
  ]
}

The resources section lists all Azure resources to create or update.

Each resource has a type (what it is), apiVersion (which version of Azure API to use), name (unique name), location (where it lives), and properties (settings).

This example creates a storage account named examplestorageacct in the East US region.

Commands

This command deploys the ARM template to the resource group named example-rg, creating the resources defined in the resources section.

Terminal

az deployment group create --resource-group example-rg --template-file azuredeploy.json

Expected OutputExpected

{ "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/example-rg/providers/Microsoft.Resources/deployments/deploymentName", "name": "deploymentName", "properties": { "provisioningState": "Succeeded", "outputs": {} }, "resourceGroup": "example-rg", "templateLink": null }

→

--resource-group - Specifies the target Azure resource group for deployment

→

--template-file - Specifies the ARM template file to deploy

This command checks that the storage account named examplestorageacct was created successfully in the example-rg resource group.

Terminal

az storage account show --name examplestorageacct --resource-group example-rg

Expected OutputExpected

{ "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/example-rg/providers/Microsoft.Storage/storageAccounts/examplestorageacct", "location": "eastus", "name": "examplestorageacct", "sku": { "name": "Standard_LRS" }, "kind": "StorageV2", "properties": { "provisioningState": "Succeeded" } }

→

--name - Specifies the name of the storage account to show

→

--resource-group - Specifies the resource group where the storage account exists

Key Concept

If you remember nothing else from this pattern, remember: the resources section in an ARM template is where you list every Azure resource you want to create or update, with all their settings.

Common Mistakes

Forgetting to specify the apiVersion for a resource.

Azure needs the apiVersion to know how to understand the resource settings; missing it causes deployment errors.

Always include a valid apiVersion for each resource type in the resources section.

Using a resource name that already exists in the resource group without intending to update.

This can cause conflicts or unexpected updates to existing resources.

Use unique names or carefully plan updates to existing resources.

Leaving the properties section empty or missing required properties for the resource type.

Some resources require specific properties to be set; missing them causes deployment failure.

Check Azure documentation for required properties and include them in the properties section.

Summary

The resources section in an ARM template defines all Azure resources to create or update.

Each resource needs a type, apiVersion, name, location, and properties.

Use the Azure CLI to deploy the template and verify the resources were created.

Practice

(1/5)

1. What is the main purpose of the resources section in an ARM template?

easy

A. To list all cloud parts to create or update

B. To write scripts for manual deployment

C. To store user credentials securely

D. To monitor cloud resource usage

ARM template resources section in Azure - Commands & Configuration

Start learning this pattern below

Practice

Solution

Step 1: Understand the role of the resources section

Step 2: Compare options with this role

Final Answer:

Quick Check:

Solution

Step 1: Identify required properties for each resource

Step 2: Check options for required property

Final Answer:

Quick Check:

Solution

Step 1: Analyze resource properties

Step 2: Understand deployment behavior

Final Answer:

Quick Check:

Solution

Step 1: Review required properties for Microsoft.Web/sites

Step 2: Identify missing required section

Final Answer:

Quick Check:

Solution

Step 1: Understand resource deployment order control

Step 2: Apply dependsOn for correct order

Final Answer:

Quick Check: