fix: Replace num_instance default value from "1" to 1 (#572)

Author: Umm-E-Kulsum

modules/compute_instance/README.md

@@ -25,7 +25,7 @@ See the [simple](https://github.com/terraform-google-modules/terraform-google-vm
 | ipv6\_access\_config | IPv6 access configurations. Currently a max of 1 IPv6 access configuration is supported. If not specified, the instance will have no external IPv6 Internet access. | <pre>list(object({<br>    network_tier = string<br>  }))</pre> | `[]` | no |
 | labels | (Optional) Labels to override those from the template, provided as a map | `map(string)` | `null` | no |
 | network | Network to deploy to. Only one of network or subnetwork should be specified. | `string` | `""` | no |
-| num\_instances | Number of instances to create. This value is ignored if static\_ips is provided. | `number` | `"1"` | no |
+| num\_instances | Number of instances to create. This value is ignored if static\_ips is provided. | `number` | `1` | no |
 | project\_id | The ID of the project in which the compute instance will be created. | `string` | n/a | yes |
 | region | Region where the instances should be created. | `string` | `null` | no |
 | resource\_manager\_tags | (Optional) A tag is a key-value pair that can be attached to a Google Cloud resource. You can use tags to conditionally allow or deny policies based on whether a resource has a specific tag. This value is not returned by the API. In Terraform, this value cannot be updated and changing it will recreate the resource. | `map(string)` | `null` | no |

modules/compute_instance/metadata.display.yaml

@@ -1,4 +1,4 @@
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

modules/compute_instance/metadata.yaml

@@ -140,7 +140,7 @@ spec:
       - name: num_instances
         description: Number of instances to create. This value is ignored if static_ips is provided.
         varType: number
-        defaultValue: "1"
+        defaultValue: 1
       - name: instance_template
         description: Instance template self_link used to create compute instances
         varType: string

modules/compute_instance/variables.tf

@@ -75,7 +75,7 @@ variable "ipv6_access_config" {
 variable "num_instances" {
   description = "Number of instances to create. This value is ignored if static_ips is provided."
   type        = number
-  default     = "1"
+  default     = 1
 }
 
 variable "instance_template" {