From a4015c03f367e58a68444ffa68265dde2164667b Mon Sep 17 00:00:00 2001
From: Mark Beacom <7315957+mbeacom@users.noreply.github.com>
Date: Tue, 10 Jan 2023 13:28:40 -0500
Subject: [PATCH 1/2] Expose platform argument to the docker-build module

---
 modules/docker-build/README.md    | 1 +
 modules/docker-build/main.tf      | 1 +
 modules/docker-build/variables.tf | 6 ++++++
 3 files changed, 8 insertions(+)

diff --git a/modules/docker-build/README.md b/modules/docker-build/README.md
index b835a325..9c87603a 100644
--- a/modules/docker-build/README.md
+++ b/modules/docker-build/README.md
@@ -95,6 +95,7 @@ No modules.
 | <a name="input_image_tag"></a> [image\_tag](#input\_image\_tag) | Image tag to use. If not specified current timestamp in format 'YYYYMMDDhhmmss' will be used. This can lead to unnecessary rebuilds. | `string` | `null` | no |
 | <a name="input_image_tag_mutability"></a> [image\_tag\_mutability](#input\_image\_tag\_mutability) | The tag mutability setting for the repository. Must be one of: `MUTABLE` or `IMMUTABLE` | `string` | `"MUTABLE"` | no |
 | <a name="input_keep_remotely"></a> [keep\_remotely](#input\_keep\_remotely) | Whether to keep Docker image in the remote registry on destroy operation. | `bool` | `false` | no |
+| <a name="input_platform"></a> [platform](#input\_platform) | The target architecture platform to build the image for. | `string` | `null` | no |
 | <a name="input_scan_on_push"></a> [scan\_on\_push](#input\_scan\_on\_push) | Indicates whether images are scanned after being pushed to the repository | `bool` | `false` | no |
 | <a name="input_source_path"></a> [source\_path](#input\_source\_path) | Path to folder containing application code | `string` | `null` | no |
 
diff --git a/modules/docker-build/main.tf b/modules/docker-build/main.tf
index c96cfbee..3883314e 100644
--- a/modules/docker-build/main.tf
+++ b/modules/docker-build/main.tf
@@ -16,6 +16,7 @@ resource "docker_registry_image" "this" {
     context    = var.source_path
     dockerfile = var.docker_file_path
     build_args = var.build_args
+    platform   = var.platform
   }
 
   keep_remotely = var.keep_remotely
diff --git a/modules/docker-build/variables.tf b/modules/docker-build/variables.tf
index 4fadbff1..9b8843f3 100644
--- a/modules/docker-build/variables.tf
+++ b/modules/docker-build/variables.tf
@@ -76,3 +76,9 @@ variable "keep_remotely" {
   type        = bool
   default     = false
 }
+
+variable "platform" {
+  description = "The target architecture platform to build the image for."
+  type        = string
+  default     = null
+}

From 470818836b2710cd1c5a2489d07f9a4c0007d1ec Mon Sep 17 00:00:00 2001
From: Mark Beacom <7315957+mbeacom@users.noreply.github.com>
Date: Tue, 10 Jan 2023 13:43:16 -0500
Subject: [PATCH 2/2] Add platform to example container image

---
 examples/container-image/main.tf | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/container-image/main.tf b/examples/container-image/main.tf
index f00c7c12..670c6212 100644
--- a/examples/container-image/main.tf
+++ b/examples/container-image/main.tf
@@ -66,6 +66,7 @@ module "docker_image" {
   build_args = {
     FOO = "bar"
   }
+  platform = "linux/amd64"
 }
 
 resource "random_pet" "this" {