fix: set optional max_instances to default null

Author: apeabody

README.md

@@ -69,7 +69,7 @@ module "localhost_function" {
 | labels | A set of key/value label pairs to assign to the Cloud Function. | `map(string)` | `{}` | no |
 | log\_bucket | Log bucket | `string` | `null` | no |
 | log\_object\_prefix | Log object prefix | `string` | `null` | no |
-| max\_instances | The maximum number of parallel executions of the function. | `number` | `0` | no |
+| max\_instances | The maximum number of parallel executions of the function. | `number` | `3000` | no |
 | name | The name to apply to any nameable resources. | `string` | n/a | yes |
 | project\_id | The ID of the project to which resources will be applied. | `string` | n/a | yes |
 | region | The region in which resources will be applied. | `string` | n/a | yes |

modules/repository-function/variables.tf

@@ -126,4 +126,3 @@ variable "timeouts" {
     error_message = "Only create, update, delete timeouts can be specified."
   }
 }
-

test/setup/versions.tf

@@ -15,13 +15,16 @@
  */
 
 terraform {
-  required_version = ">= 0.12"
-}
-
-provider "google" {
-  version = ">= 3.53.0, < 5.0"
-}
+  required_version = ">= 0.13"
+  required_providers {
 
-provider "google-beta" {
-  version = ">= 3.53.0, < 5.0"
+    google = {
+      source  = "hashicorp/google"
+      version = ">= 3.53.0, < 5.0"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = ">= 3.53.0, < 5.0"
+    }
+  }
 }

variables.tf

@@ -109,7 +109,7 @@ variable "timeout_s" {
 
 variable "max_instances" {
   type        = number
-  default     = 0
+  default     = 3000
   description = "The maximum number of parallel executions of the function."
 }