Added var.deregistration_delay to configure allowance time for in-flight requests to complete before shutting down.

Author: BSick7

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 0.6.2 (Jan 21, 2026)
+* Added `var.deregistration_delay` to configure allowance time for in-flight requests to complete before shutting down.
+
 # 0.6.1 (Oct 02, 2025)
 * Added an optional global accelerator to improve performance and availability for global applications.
 * Fixed an "invalid attribute" warning in logs bucket configuration.

target-group.tf

@@ -28,7 +28,7 @@ resource "aws_lb_target_group" "this" {
   protocol             = "HTTP"
   target_type          = "ip"
   vpc_id               = local.vpc_id
-  deregistration_delay = 10
+  deregistration_delay = var.deregistration_delay
   tags                 = local.tags
 
   lifecycle {

variables.tf

@@ -65,6 +65,20 @@ https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-healthchecks
 EOF
 }
 
+variable "deregistration_delay" {
+  type        = number
+  default     = 10
+  description = <<EOT
+Time (in seconds) that the load balancer waits before forcefully closing
+connections to a task after it is deregistered during a deployment or scale-down.
+
+During this period, the load balancer stops sending new requests to the task
+but allows in-flight requests to complete. This should be long enough to cover
+the longest expected request time and should not exceed the ECS task
+stop timeout to avoid prematurely terminated requests.
+EOT
+}
+
 variable "sticky_session_type" {
   type        = string
   default     = "off"