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Create the App Service

Now that we have defined where to store our state files and are setup to create Azure resources, we are able to provision infrastructure with Terraform in the main.tf. Our objective for this lab is to deploy an App Service.

App Service resource block

An App Service (docs) is a fully managed platform for building and running web apps in Azure. It is a core PaaS offering that is widely used across Azure customers. Below is the Terraform starter code snippet for creating an App Service resource using the Azure resource manager provider.

resource "azurerm_app_service" "dojo_app_service" {
  arguments
}
  • resource is a block keyword telling Terraform that we want to create a resource
  • azurerm_app_service is one of the resource templates made available by the azurerm provider
  • dojo_app_service is a label to better identify this resource throughout our Terraform.*
  • We will define various key-value pair arguments throughout the lab using Terraform's documentation.

Feel free to replace dojo in any of the resource *labels** with your team's name throughout the lab.

Check the documentation

Let's use Terraform's docs to complete the setup for App Services. Terraform has great documentation for available resources with each cloud provider. Remember that we are using the azurerm provider, so we will look at the App Service resource within that registry.

📖 Time to read the docs. Try googling or visiting Terraform's registry (or go here if you're lazy!)

As we find out, creating the azurerm_app_service resource requires two additional resource definitions: the azurerm_resource_group and azurerm_app_service_plan resource. Before we finish the App Service definition, let's define the other dependent Azure resources.