diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fe078fb..91f6626 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,7 +11,7 @@ repos:
         args:
           - "--args=--only=terraform_deprecated_interpolation"
           - "--args=--only=terraform_deprecated_index"
-          # - "--args=--only=terraform_unused_declarations"
+          - "--args=--only=terraform_unused_declarations"
           - "--args=--only=terraform_comment_syntax"
           - "--args=--only=terraform_documented_outputs"
           - "--args=--only=terraform_documented_variables"
diff --git a/main.tf b/main.tf
index 3161838..0a1452a 100644
--- a/main.tf
+++ b/main.tf
@@ -35,6 +35,14 @@ locals {
 resource "aws_ecs_cluster" "this" {
   name = format("%s-cluster", local.cluster_name)
 
+  dynamic "setting" {
+    for_each = var.is_enable_container_insights ? [true] : []
+    content {
+      name  = "containerInsights"
+      value = "enabled"
+    }
+  }
+
   tags = merge(
     local.tags,
     { "Name" = format("%s-cluster", local.cluster_name) }
diff --git a/variables.tf b/variables.tf
index 360e3dd..b8a2462 100644
--- a/variables.tf
+++ b/variables.tf
@@ -23,7 +23,16 @@ variable "tags" {
 }
 
 /* -------------------------------------------------------------------------- */
-/*                               SEcurity Group                               */
+/*                                 ECS Cluster                                */
+/* -------------------------------------------------------------------------- */
+variable "is_enable_container_insights" {
+  description = "Whether to be used to enable CloudWatch Container Insights for a cluster."
+  type        = bool
+  default     = true
+}
+
+/* -------------------------------------------------------------------------- */
+/*                               Security Group                               */
 /* -------------------------------------------------------------------------- */
 variable "additional_security_group_ingress_rules" {
   description = "Map of ingress and any specific/overriding attributes to be created"