JSON

• Is data represenation language, used in data transport/representation between client and servers. It is also used for configuration purposes.
• It is collection of name value pairs. There are three categories of data
  • simple/scalar
  • plural/list
  • dictionary/object

ARM Templates

• While creating ARM Templates the JSON structure is defined by Azure
• The template syntax/structure Refer Here
• Structure

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "",
  "apiProfile": "",
  "parameters": {  },
  "variables": {  },
  "functions": [  ],
  "resources": [  ],
  "outputs": {  }
}

• Minimal ARM template (only required values)

{
    "$schema": "",
    "contentVersion": "",
    "resources": []
}

• ARM Template Deployments: When we create a template and want to deploy, there are diferent levels of deployment
  • Subscription Level => “https://schema.management.azure.com/schemas/2018-05-01/subscriptionDeploymentTemplate.json#”
  • Resource Group => “https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#”
  • Management Group => “https://schema.management.azure.com/schemas/2019-08-01/managementGroupDeploymentTemplate.json#”
  • tenant => “https://schema.management.azure.com/schemas/2019-08-01/tenantDeploymentTemplate.json#”
• Our deployments are generally resource group level

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "0.0.1",
    "resources": []
}

• Refer Here for understanding resources.
• Resource structure:

{
    "type": "",
    "apiVersion": "",
    "properties": {

    },
    "arguments": ""
}

• To find out resource structure Refer Here
  
• Refer Here for arm template syntax for resource group.
• Configure visual studio code: Refer Here
• Install ARM Tools extension
  

Hello-ARM Template (First template)

• Create a new folder and open with vscode
• Create a new file template.json with the following content

{
    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
    "contentVersion": "0.0.1",
    "resources": []
}

• Now lets try to add an virtual network. Refer Here
• Refer Here for resource format
• Refer Here
• Refer Here for the template created.
• Now create a resource group and click on create and select the template deployment
  
  
  
  
  
  
  
  
• Now delete the resource group to clean up