Mastering Azure Bicep Parameters

Introduction

Good day everybody! We’ve been on an thrilling journey exploring Azure Bicep. We’ve seen what it’s, the way it compares to ARM templates, arrange the environment, and even dived into its syntax. Right now, we’re going to take one other step ahead. We’ll discover one of many key parts of Azure Bicep – Parameters. So, let’s get began!

Logging in to Azure

Earlier than we begin, let’s guarantee we’re logged into Azure. Right here’s how you are able to do it.

1. Open your terminal or command immediate: You should use any terminal or command immediate that you simply’re snug with.
2. Log in to Azure: Use the az login command to log in to Azure.

   # Log in to Azure
   
   az login
   

3. Set your subscription: Use the az account set command to set your subscription.

   # Set your subscription
   az account set --subscription "YourSubscriptionName"
   

Azure Bicep Parameters

Parameters in Azure Bicep are just like the inputs to your Bicep file. They help you cross values into your Bicep file at deployment time. This makes your Bicep recordsdata extra versatile and reusable.

You possibly can outline a parameter utilizing the param key phrase. Right here’s an instance.

param storageAccountName string = 'mystorageaccount'

On this instance, storageAccountName is a parameter of sort string. The default worth for this parameter is ‘my storage account’.

param storageAccountName string = 'mystorageaccount'

useful resource storageAccount 'Microsoft.Storage/storageAccounts@2021-04-01' = {
  identify: storageAccountName
  location: resourceGroup().location
  sku: {
    identify: 'Standard_LRS'
  }
  form: 'StorageV2'
}

You possibly can override a parameter’s default worth at deployment time. Right here’s how.

# Deploy the Bicep file with a parameter

az deployment group create --resource-group myResourceGroup 
  --template-file ./foremost.bicep 
  --parameters storageAccountName=myNewStorageAccount

On this instance, we’re deploying the Bicep file and passing a brand new worth for the storageAccountName parameter.

Conclusion

Nicely achieved! You’ve simply realized learn how to use parameters in Azure Bicep. Parameters are a robust function that makes your Bicep recordsdata extra versatile and reusable. In our subsequent session, we’ll discover assets in Azure Bicep. So, keep tuned and continue learning!