WIP

infrastructure/modules/client_gateway/autoscaling.tf

@@ -0,0 +1,25 @@
+resource "aws_appautoscaling_policy" "policy" {
+  name               = "client_gateway-scale"
+  service_namespace  = aws_appautoscaling_target.scale_target.service_namespace
+  resource_id        = aws_appautoscaling_target.scale_target.resource_id
+  scalable_dimension = aws_appautoscaling_target.scale_target.scalable_dimension
+  policy_type        = "TargetTrackingScaling"
+
+  target_tracking_scaling_policy_configuration {
+    predefined_metric_specification {
+      predefined_metric_type = "ECSServiceAverageCPUUtilization"
+    }
+
+    target_value       = 30
+    scale_in_cooldown  = 300
+    scale_out_cooldown = 60
+  }
+}
+
+resource "aws_appautoscaling_target" "scale_target" {
+  service_namespace  = "ecs"
+  resource_id        = "service/${var.ecs_cluster.name}/${aws_ecs_service.this.name}"
+  scalable_dimension = "ecs:service:DesiredCount"
+  min_capacity       = var.min_tasks
+  max_capacity       = var.max_tasks
+}

infrastructure/modules/client_gateway/aws.tf

@@ -0,0 +1,3 @@
+data "aws_ip_ranges" "route53_healthchecks" {
+  services = ["route53_healthchecks"]
+}