chore: Add variable to enable/disable writing container definition to file

Author: bryantbiggs

examples/container-definition/README.md

@@ -45,7 +45,9 @@ Note that this example may create resources which will incur monetary charges on
 
 ## Inputs
 
-No inputs.
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_write_container_definition_to_file"></a> [write\_container\_definition\_to\_file](#input\_write\_container\_definition\_to\_file) | Determines whether the container definition JSON should be written to a file. Used for debugging and checking diffs | `bool` | `true` | no |
 
 ## Outputs
 

examples/container-definition/outputs.tf

@@ -13,6 +13,8 @@ output "container_definition_json" {
 }
 
 resource "null_resource" "container_definition_json" {
+  count = var.write_container_definition_to_file ? 1 : 0
+
   triggers = {
     container_definition_json = timestamp()
   }

examples/container-definition/variables.tf

@@ -0,0 +1,5 @@
+variable "write_container_definition_to_file" {
+  description = "Determines whether the container definition JSON should be written to a file. Used for debugging and checking diffs"
+  type        = bool
+  default     = true
+}