# 1주차 과제 -  AWS VPC(Subnet, IGW 등)을 코드로 배포한 환경에서 EC2 웹 서버 배포


cat <<EOT > main.tf

# provider 설정
provider "aws" {
  region = "ap-northeast-2"
}

# vpc 생성
resource "aws_vpc" "vpc" {
  cidr_block = var.vpc_cidr
  enable_dns_hostnames = true
  enable_dns_support = true
  tags = {
    "Name" = "vpc"
  }
}

# public subnet 생성
resource "aws_subnet" "pub1" {
  vpc_id = aws_vpc.vpc.id
  cidr_block = var.public_cidr
  availability_zone = "ap-northeast-2a"
  map_public_ip_on_launch = true

  tags = {
    Name = "pub1"
  }  
}

# igw 생성
resource "aws_internet_gateway" "igw" {
  vpc_id = aws_vpc.vpc.id

  tags = {
    Name = "igw"
  }
}

# public route table 생성 및 igw로의 라우팅 설정
resource "aws_route_table" "pubrt" {
  vpc_id = aws_vpc.vpc.id

  route {
    cidr_block = "0.0.0.0/0"
    gateway_id = aws_internet_gateway.igw.id
  }

  tags = {
    Name = "pubrt"
  }
}

# 라우팅 테이블과 서브넷 연결
resource "aws_route_table_association" "prta" {
  subnet_id      = aws_subnet.pub1.id
  route_table_id = aws_route_table.pubrt.id
}

EOT





cat <<EOT > var.tf


variable "vpc_cidr" {
  default = "10.0.0.0/16"
}

variable "public_cidr" {
  default = "10.0.10.0/24"
}

data "aws_ami" "ubuntu" {
  most_recent = true

  filter {
    name   = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*"]
  }

  filter {
    name   = "virtualization-type"
    values = ["hvm"]
  }

  owners = ["099720109477"] # Canonical
}

variable "server_port" {
  default = "50000"
}

EOT


terraform init
terraform plan
terraform apply -auto-approve






terraform init
terraform plan
terraform apply -auto-approve