Add variables for task and container CPU and memory

container-definitions.tpl

@@ -2,8 +2,8 @@
   {
     "name": "gh-runner-${gh_name_hash}",
     "image": "${ecr_repo_url}:${ecr_repo_tag}",
-    "cpu": 128,
-    "memory": 1024,
+    "cpu": ${container_cpu},
+    "memory": ${container_memory},
     "essential": true,
     "portMappings": [],
     "environment": [

ecs.tf

@@ -194,12 +194,14 @@ resource "aws_ecs_task_definition" "runner_def" {
   task_role_arn = aws_iam_role.task_role.arn
 
   requires_compatibilities = ["FARGATE"]
-  cpu                      = "256"
-  memory                   = "1024"
+  cpu                      = var.task_cpu
+  memory                   = var.task_memory
   execution_role_arn       = aws_iam_role.task_role.arn
 
   container_definitions = templatefile("${path.module}/container-definitions.tpl",
     {
+      container_cpu             = var.container_cpu,
+      container_memory          = var.container_memory,
       gh_name_hash              = local.gh_name_hash,
       ecr_repo_url              = var.ecr_repo_url,
       ecr_repo_tag              = var.ecr_repo_tag,

variables.tf

@@ -83,4 +83,28 @@ variable "permissions_boundary" {
   description = "ARN of the policy that is used to set the permissions boundary for the role"
   type        = string
   default     = ""
+}
+
+variable "task_cpu" {
+  description = "The ECS Task CPU size"
+  type        = number
+  default     = 256
+}
+
+variable "task_memory" {
+  description = "The ECS Task memroy size"
+  type        = number
+  default     = 1024
+}
+
+variable "container_cpu" {
+  description = "The container CPU size"
+  type        = number
+  default     = 128
+}
+
+variable "container_memory" {
+  description = "The container memroy size"
+  type        = number
+  default     = 1024
 }