terraform-tofu-labs/2-simple-example/code/main.tf

provider "aws" {
  region = "eu-west-1"
}

resource "aws_security_group" "web_server_sg_tf" {
 name        = "web-server-sg-tf"
 description = "Allow HTTP to web server"
 vpc_id      = module.vpc.vpc_id

ingress {
   description = "SSH ingress"
   from_port   = 22
   to_port     = 22
   protocol    = "tcp"
   cidr_blocks = ["0.0.0.0/0"]
 }

ingress {
   description = "HTTP ingress"
   from_port   = 80
   to_port     = 80
   protocol    = "tcp"
   cidr_blocks = ["0.0.0.0/0"]
 }

ingress {
   description = "HTTPS ingress"
   from_port   = 443
   to_port     = 443
   protocol    = "tcp"
   cidr_blocks = ["0.0.0.0/0"]
 }

egress {
   from_port   = 0
   to_port     = 0
   protocol    = "-1"
   cidr_blocks = ["0.0.0.0/0"]
 }
}

resource "aws_instance" "test_ami" {
  ami                    = "ami-029b91ed285a24a90"
  instance_type          = "t4g.nano"
  associate_public_ip_address = true
  subnet_id              = module.vpc.public_subnets[0]
  vpc_security_group_ids = [aws_security_group.web_server_sg_tf.id]

  user_data = <<-EOF
              #!/bin/bash
	      sudo dnf install -y nginx 
              sudo systemctl enable nginx
              sudo systemctl start nginx
              EOF
}