Add availability zone support to Container Instances sample

quickstart/101-aci-linuxcontainer-public-ip/main.tf

@@ -21,6 +21,7 @@ resource "azurerm_container_group" "container" {
   ip_address_type     = "Public"
   os_type             = "Linux"
   restart_policy      = var.restart_policy
+  zones               = var.zone != "" ? [ var.zone ] : null
 
   container {
     name   = "${var.container_name_prefix}-${random_string.container_name.result}"

quickstart/101-aci-linuxcontainer-public-ip/readme.md

@@ -20,6 +20,7 @@ This template deploys an Azure Container Instance with a public IP address.
 | `cpu_cores` | Quantity of CPU cores to allocate to the container. | 1 |
 | `memory_in_gb` | Amount of memory to allocate to the container in gigabytes. | 2 |
 | `restart_policy` | Behavior of Azure runtime if container has stopped. | Always |
+| `zone` | The availability zone to deploy the container group into. If not specified, the container group is nonzonal and might be deployed into any zone. | (empty) |
 
 ## Example
 

quickstart/101-aci-linuxcontainer-public-ip/variables.tf

@@ -55,3 +55,9 @@ variable "restart_policy" {
     error_message = "The restart_policy must be one of the following: Always, Never, OnFailure."
   }
 }
+
+variable "zone" {
+    type        = string
+    description = "The availability zone to deploy the container group into. If not specified, the container group is nonzonal and might be deployed into any zone."
+    default     = ""
+}