Navigate to the terraform directory

cd terraform

Copy backend.sample.tfvars to backend.tfvars and replace with your resource group, storage account and container to store your remote terraform state.

resource_group_name  = "<RESOURCE_GROUP_NAME>"
storage_account_name = "<STORAGE_ACCOUNT_NAME>"
container_name       = "<CONTAINER_NAME>"
key                  = "terraform.tfstate"

The key names here are required based on the azurerm remote state provider

Copy variables.sample.tfvars to variables.tfvars and replace with your settings.

BUSINESS_UNIT = "az"
APP_NAME = "tf"

It is recommended to use short names since these abbreviations will be used as part of the naming conventions on your deployed resources

Ensure your are logged in to Azure via the CLI

az login
az login account set -s <SUBSCRIPTION_ID>

Initialize your project

terraform init -backend-config backend.tfvars

Create your workspaces to keep terraform state separate per environment

terraform workspace new dev
terraform workspace new test
terraform workspace new prod

Select the workspace/environment you want to deploy to

terraform workspace select dev

Plan your deployment

terraform plan -out out.tfplan -var-file variables.tfvars

Review your plan and deploy

terraform apply out.tfplan