diff --git a/01-start/.terraform.lock.hcl b/01-start/.terraform.lock.hcl
new file mode 100644
index 0000000..bfeb2a0
--- /dev/null
+++ b/01-start/.terraform.lock.hcl
@@ -0,0 +1,24 @@
+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version = "4.48.0"
+  hashes = [
+    "h1:8xLCA04IhQUzGI8/t3ySKNFMyjgGCWiXRUWhWEsYvew=",
+    "zh:08f5e3c5256a4fbd5c988863d10e5279172b2470fec6d4fb13c372663e7f7cac",
+    "zh:2a04376b7fa84681bd2938973c7d0822c8c0f0656a4e7661a2f50ac4d852d4a3",
+    "zh:30d6cdf321aaba874934cbde505333d89d172d8d5ffcf40b6e66626c57bc6ab2",
+    "zh:364639ee19cf4cfaa65de84a2a71d32725d5b728b71dd88d01ccb639c006c1cf",
+    "zh:4e02252cd88b6f59f556f49c5ce46a358046c98f069230358ac15f4030ae1e76",
+    "zh:611717320f20b3512ceb90abddd5198a85e1093965ce59e3ef8183188c84f8c3",
+    "zh:630be3b9ba5b3a95ecb2ce2f3523714ab37cd8bcd7479c879a769e6a446ab5ed",
+    "zh:6701f9d3ae1ffadb3ebefbe75c9d82668cc5495b8f826e498adb8530e202b652",
+    "zh:6dc6fdfa7469c9de7b405c68b2f6a09a3438db1ef09d348e49c7ceff4300b01a",
+    "zh:84c8140d8af6965fa9cd80e52eb2ee3d273e3ab7762719a8d1af665c08fab748",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:9b6b4f7d4cea37ba7a42a47d506115498858bcd6440ad97dfb214c13a688ba90",
+    "zh:a7f876af20f5c5dae8e333ec0dfc901e26aa801137e7df65fb365565637bbfe2",
+    "zh:ad107b8e11dd0609b856584ce70ae6621aa4f1f946da51f7c792f1259e3f9c27",
+    "zh:d5dc1683693a5fe2652952f50dbbeccd02716799c26c6d1a1378b226cf845e9b",
+  ]
+}
diff --git a/01-start/bar.txt b/01-start/bar.txt
new file mode 100644
index 0000000..4e6fab5
--- /dev/null
+++ b/01-start/bar.txt
@@ -0,0 +1 @@
+sdjo
\ No newline at end of file
diff --git a/01-start/main.tf b/01-start/main.tf
new file mode 100644
index 0000000..971cff1
--- /dev/null
+++ b/01-start/main.tf
@@ -0,0 +1,14 @@
+provider "aws" {
+  region = "ap-northeast-2"
+}
+
+
+
+resource "aws_instance" "ubuntu" {
+  ami           = "ami-0ab04b3ccbadfae1f"
+  instance_type = "t2.micro"
+
+  tags = {
+    Name = "tf-ubuntu"
+  }
+}
\ No newline at end of file
diff --git a/modules/ec2/main.tf b/modules/ec2/main.tf
new file mode 100644
index 0000000..5a83932
--- /dev/null
+++ b/modules/ec2/main.tf
@@ -0,0 +1,8 @@
+resource "aws_instance" "ubuntu" {
+  ami           = "ami-0ab04b3ccbadfae1f"
+  instance_type = "t2.micro"
+
+  tags = {
+    Name = "tf-ubuntu"
+  }
+}
\ No newline at end of file
diff --git a/modules/route-association/main.tf b/modules/route-association/main.tf
index d4764f7..5e467ea 100644
--- a/modules/route-association/main.tf
+++ b/modules/route-association/main.tf
@@ -1,7 +1,10 @@
 //라우팅 테이블 서브넷 연결
 resource "aws_route_table_association" "route-association" {
-    for_each = toset(var.subnet_ids)
-    subnet_id      = each.value
-
+    # for_each = toset(var.subnet_ids)
+    # subnet_id      = each.value
+    count = var.association_count
+    subnet_id = var.subnet_ids[count.index]
     route_table_id = var.route_table_id
+    
+    
 }
\ No newline at end of file
diff --git a/modules/route-association/variables.tf b/modules/route-association/variables.tf
index e3a793c..ab2c6ef 100644
--- a/modules/route-association/variables.tf
+++ b/modules/route-association/variables.tf
@@ -1,9 +1,15 @@
 variable "subnet_ids" {
-    description = "Subnet id"
-    type = list
+  description = "Subnet id"
+  type        = list(any)
 }
 
 variable "route_table_id" {
-    description = "Subnet id"
-    type = string
-}
\ No newline at end of file
+  description = "Subnet id"
+  type        = string
+}
+
+variable "association_count" {
+  description = "Subnet count"
+  type        = number
+}
+
diff --git a/modules/vpc-subnet/main.tf b/modules/vpc-subnet/main.tf
index 7d9e075..6520781 100644
--- a/modules/vpc-subnet/main.tf
+++ b/modules/vpc-subnet/main.tf
@@ -6,10 +6,10 @@ resource "aws_subnet" "subnets" {
     availability_zone = each.value.name
     cidr_block = each.value.cidr
 
-    map_public_ip_on_launch = true
+    map_public_ip_on_launch = var.public_ip_on
     
     tags = {
-    Name = "${var.vpc_id}-${each.value.name}"
+    Name = var.vpc_name
     # Name = module.vpc_hq.vpcHq.id
     }
 }
\ No newline at end of file
diff --git a/modules/vpc-subnet/valiables.tf b/modules/vpc-subnet/valiables.tf
index b526809..d783fde 100644
--- a/modules/vpc-subnet/valiables.tf
+++ b/modules/vpc-subnet/valiables.tf
@@ -3,6 +3,11 @@ variable "vpc_id" {
     type = string
 }
 
+variable "vpc_name" {
+    description = "set vpc name"
+    type = string
+}
+
 // reference | https://github.com/davidcsi/terraform/blob/master/healthchecks/main.tf
 variable "subnet-az-list" {
     description = "Subnet available zone & cidr"
@@ -25,5 +30,8 @@ variable "subnet-az-list" {
     #         cidr = "10.3.4.0/24"
     #     }
     # }
-  
+}
+
+variable "public_ip_on" {
+  type = bool
 }
\ No newline at end of file
diff --git a/modules/vpc/outputs.tf b/modules/vpc/outputs.tf
index fe5e8c0..95c1790 100644
--- a/modules/vpc/outputs.tf
+++ b/modules/vpc/outputs.tf
@@ -2,4 +2,9 @@
 output "vpc_hq_id" {
   description = "The name of vpc hq id"
   value = aws_vpc.vpc-hq.id
-}
\ No newline at end of file
+}
+
+output "vpc_name" {
+  value = var.tag_name
+}
+
diff --git a/prod/main.tf b/prod/main.tf
index 0b5435d..98579f2 100644
--- a/prod/main.tf
+++ b/prod/main.tf
@@ -1,55 +1,59 @@
 // prod - main
 
 provider "aws" {
-    region = "ap-northeast-2"
+  region = "ap-northeast-2"
+
+  #2.x버전의 AWS공급자 허용
+  version = "~> 2.0"
 
-    #2.x버전의 AWS공급자 허용
-    version = "~> 2.0"
-  
 }
 
 # module "vpc_hq" {
 module "vpc_hq" {
-    source = "../modules/vpc"
-    tag_name = var.prod_name
-    cidr_block = "10.3.0.0/16"
-    
+  source     = "../modules/vpc"
+#   source = "github.com/Seong-dong/team_prj/tree/main/modules/vpc"
+  tag_name   = var.prod_name
+  cidr_block = "10.3.0.0/16"
+
 }
 
 module "vpc_igw" {
-    source = "../modules/igw"
-    tag_name = var.prod_name
-    vpc_id = module.vpc_hq.vpc_hq_id
+  source   = "../modules/igw"
+  tag_name = var.prod_name
+  vpc_id   = module.vpc_hq.vpc_hq_id
 }
 
-module "subnet_list" {
-    source = "../modules/vpc-subnet"
+module "subnet_public" {
+  source = "../modules/vpc-subnet"
 
-    vpc_id = module.vpc_hq.vpc_hq_id
-    subnet-az-list = var.subnet-az-list
+  vpc_id         = module.vpc_hq.vpc_hq_id
+  subnet-az-list = var.subnet-az-list
+  public_ip_on = true
+  vpc_name = "${module.vpc_hq.vpc_name}-public"
 }
 
 // public route
 module "route_public" {
-    source = "../modules/route-table"
-    tag_name = var.prod_name
-    vpc_id = module.vpc_hq.vpc_hq_id
-    
+  source   = "../modules/route-table"
+  tag_name = var.prod_name
+  vpc_id   = module.vpc_hq.vpc_hq_id
+
 }
 
 module "route_add" {
-    source = "../modules/route-add"
-    route_public_id = module.route_public.route_public_id
-    igw_id = module.vpc_igw.igw_id
+  source          = "../modules/route-add"
+  route_public_id = module.route_public.route_public_id
+  igw_id          = module.vpc_igw.igw_id
 }
 
 module "route_association" {
-    source = "../modules/route-association"
-    route_table_id = module.route_public.route_public_id
-    subnet_ids = [module.subnet_list.subnet.zone-a.id, module.subnet_list.subnet.zone-c.id]
-
+  source         = "../modules/route-association"
+  route_table_id = module.route_public.route_public_id
   
+  association_count = 2
+  subnet_ids     = [module.subnet_public.subnet.zone-a.id, module.subnet_public.subnet.zone-c.id]
 }
+
 # EKS테스트 할때 활성
 # module "ecr" {
 #     source = "../modules/ecr"
diff --git a/prod/outputs.tf b/prod/outputs.tf
index d5e9978..4a48214 100644
--- a/prod/outputs.tf
+++ b/prod/outputs.tf
@@ -1,5 +1,5 @@
 //modules-subnet-outputs
 output "subnet" {
   description = "The name of vpc hq id"
-  value = module.subnet_list.subnet
-}
\ No newline at end of file
+  value       = module.subnet_public.subnet
+}
diff --git a/prod/valiables.tf b/prod/valiables.tf
index f9736a1..58593a5 100644
--- a/prod/valiables.tf
+++ b/prod/valiables.tf
@@ -1,13 +1,13 @@
 # variable "cidr_block" {
 #     type = string
 #     default = "10.3.0.0/16"
-  
+
 # }
 
 variable "prod_name" {
-    description = "value"
-    type = string
-    default = "22shop"
+  description = "value"
+  type        = string
+  default     = "22shop"
 }
 
 # variable "igw_id" {
@@ -16,25 +16,25 @@ variable "prod_name" {
 # }
 
 variable "subnet-az-list" {
-    description = "Subnet available zone & cidr"
-    type = map(map(string))
-    default = {
-        "zone-a" = {
-            name = "ap-northeast-2a"
-            cidr = "10.3.1.0/24"
-        }
-        "zone-b" = {
-            name = "ap-northeast-2b"
-            cidr = "10.3.2.0/24"
-        }
-        "zone-c" = {
-            name = "ap-northeast-2c"
-            cidr = "10.3.3.0/24"
-        }
-        "zone-d" = {
-            name = "ap-northeast-2d"
-            cidr = "10.3.4.0/24"
-        }
+  description = "Subnet available zone & cidr"
+  type        = map(map(string))
+  default = {
+    "zone-a" = {
+      name = "ap-northeast-2a"
+      cidr = "10.3.1.0/24"
     }
-  
-}
\ No newline at end of file
+    "zone-b" = {
+      name = "ap-northeast-2b"
+      cidr = "10.3.2.0/24"
+    }
+    "zone-c" = {
+      name = "ap-northeast-2c"
+      cidr = "10.3.3.0/24"
+    }
+    "zone-d" = {
+      name = "ap-northeast-2d"
+      cidr = "10.3.4.0/24"
+    }
+  }
+
+}