Add aws spot instance terraform code (#29)

mkdocs/docs/terraform/terraform code.md

@@ -0,0 +1,146 @@
+## 개요
+* terraform code 정리
+
+# EC2
+
+## Spot instance
+
+```hcl
+resource "aws_spot_instance_request" "nginx" {
+  ami                  = data.aws_ami.ubuntu.id
+  spot_price           = var.spot_price
+  instance_type        = var.spot_instance_type
+  spot_type            = var.spot_type
+  wait_for_fulfillment = "true"
+  security_groups      = [aws_security_group.nginx.id]
+  subnet_id            = var.subnet_id
+
+  tags = {
+    Name = "${var.tag_prefix}-nginx"
+  }
+}
+
+variable "tag_prefix" {
+  description = "tag prefix"
+  type        = string
+  default     = "Example1"
+}
+
+variable "vpc_id" {
+  description = "id"
+  type        = string
+}
+
+variable "subnet_id" {
+  description = "subnets id"
+  type        = string
+}
+
+variable "spot_instance_type" {
+  description = "spot instance type"
+  type        = string
+  default     = "t4g.nano"
+}
+
+variable "spot_type" {
+  description = "spot type"
+  type        = string
+  default     = "one-time"
+
+}
+
+variable "spot_price" {
+  description = "spot price"
+  type        = string
+  default     = "0.01"
+}
+
+data "aws_ami" "ubuntu" {
+  most_recent = true
+  owners      = ["amazon"]
+
+  filter {
+    name   = "architecture"
+    values = ["arm64"]
+  }
+
+  filter {
+    name   = "name"
+    values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-arm64-server-*"]
+  }
+
+  filter {
+    name   = "virtualization-type"
+    values = ["hvm"]
+  }
+
+  filter {
+    name   = "root-device-type"
+    values = ["ebs"]
+  }
+}
+
+data "aws_iam_policy_document" "ec2_assume_role" {
+  statement {
+    actions = ["sts:AssumeRole"]
+
+    principals {
+      type        = "Service"
+      identifiers = ["ec2.amazonaws.com"]
+    }
+  }
+}
+
+data "aws_iam_policy" "systems_manager" {
+  arn = "arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore"
+}
+
+
+resource "aws_security_group" "nginx" {
+  name        = "terraform-test-nginx"
+  description = "${var.tag_prefix}-nginx security group"
+  vpc_id      = var.vpc_id
+
+  ingress {
+    description = "http"
+    from_port   = 80
+    to_port     = 80
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    description = "icmp"
+    from_port   = 0
+    to_port     = 0
+    protocol    = "icmp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  lifecycle {
+    create_before_destroy = true
+  }
+}
+
+resource "aws_iam_instance_profile" "ssm" {
+  name = "terraform-test-ssm-instanceprofile"
+  role = aws_iam_role.ssm.name
+}
+
+resource "aws_iam_role" "ssm" {
+  name               = "terraform-test-ssm-iamrole"
+  assume_role_policy = data.aws_iam_policy_document.ec2_assume_role.json
+}
+
+resource "aws_iam_role_policy_attachment" "ssm" {
+  role       = aws_iam_role.ssm.name
+  policy_arn = data.aws_iam_policy.systems_manager.arn
+}
+```