Partial backend configuration in Terraform - Mini Project: Build & Apply

Partial backend configuration

📖 Scenario: You are setting up Terraform to manage infrastructure. Terraform needs a backend configuration to store its state remotely. However, you want to start with a partial backend configuration and complete it step-by-step.

🎯 Goal: Build a Terraform configuration file with a partial backend block and then complete it to fully configure the backend for remote state storage.

📋 What You'll Learn

Create a Terraform configuration file named main.tf.

Add a terraform block with a partial backend configuration.

Add a variable to hold the storage account name.

Complete the backend configuration with required attributes.

💡 Why This Matters

🌍 Real World

Terraform uses backend configurations to store state remotely, enabling collaboration and state locking.

💼 Career

Understanding backend configuration is essential for infrastructure engineers and DevOps professionals managing cloud infrastructure with Terraform.

1

Create a partial backend block

Create a terraform block with a backend of type azurerm but leave the configuration empty inside the backend block.

Terraform

terraform {
  backend "azurerm" {
    # Your code here
  }
}

Need a hint?

Use the terraform block and inside it add backend "azurerm" { } with no attributes yet.

2

Add a variable for storage account name

Add a variable named storage_account_name of type string with a description "The Azure Storage Account name".

Terraform

terraform {
  backend "azurerm" {
  }
}

# Your code here

Need a hint?

Use the variable block with the exact name and description.

3

Add required backend attributes

Inside the backend "azurerm" block, add the attributes resource_group_name set to "myResourceGroup", storage_account_name set to var.storage_account_name, container_name set to "tfstate", and key set to "terraform.tfstate".

Terraform

terraform {
  backend "azurerm" {
    # Your code here
  }
}

variable "storage_account_name" {
  type        = string
  description = "The Azure Storage Account name"
}

Need a hint?

Use the exact attribute names and values inside the backend block.

4

Add required provider block

Add a provider "azurerm" block with features {} inside to complete the configuration.

Terraform

terraform {
  backend "azurerm" {
    resource_group_name  = "myResourceGroup"
    storage_account_name = var.storage_account_name
    container_name       = "tfstate"
    key                  = "terraform.tfstate"
  }
}

variable "storage_account_name" {
  type        = string
  description = "The Azure Storage Account name"
}

# Your code here

Need a hint?

Add the provider block exactly as shown with empty features {}.