chore

nginx.tf

@@ -9,7 +9,7 @@ resource "helm_release" "nginx" {
 
   set {
     name  = "replicaCount"
-    value = "3"
+    value = var.replica
   }
 
   depends_on = [

variables.tf

@@ -11,6 +11,12 @@ variable "namespace" {
   description = "kubernetes namespace"
 }
 
+variable "tag" {
+  type        = string
+  default     = "terraform-eks-cluster"
+  description = "tag for aws resources"
+}
+
 variable "kubernetes_version" {
   type        = string
   default     = "1.22"
@@ -40,3 +46,9 @@ variable "nginx_version" {
   default     = "4.1.0"
   description = "nginx chart version"
 }
+
+variable "replica" {
+  type        = string
+  default     = "3"
+  description = "number of nginx replica"
+}

vpc.tf

@@ -8,12 +8,16 @@ data "aws_region" "current" {
 data "aws_availability_zones" "available" {
 }
 
+locals {
+  tag = var.tag
+}
+
 resource "aws_vpc" "this" {
   cidr_block           = "10.0.0.0/16"
   enable_dns_support   = true
   enable_dns_hostnames = true
   tags = {
-    "Name" = "terraform-eks-cluster"
+    Name = local.tag
   }
 }
 
@@ -26,15 +30,15 @@ resource "aws_subnet" "this" {
   map_public_ip_on_launch = true
 
   tags = {
-    "Name" = "terraform-eks-cluster"
+    Name = local.tag
   }
 }
 
 resource "aws_internet_gateway" "this" {
   vpc_id = aws_vpc.this.id
 
   tags = {
-    Name = "terraform-eks-cluster"
+    Name = local.tag
   }
 }