main.port-variable.tf.bak

provider "aws" {
    region = "us-east-1"
    access_key = "${var.access_key}"
    secret_key = "${var.secret_key}"
}

data "aws_ami" "ubuntu" {
    most_recent = true

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

    owners = ["099720109477"] # Canonical 
}

resource "aws_instance" "web_server" {
    ami             = "${data.aws_ami.ubuntu.id}"
    instance_type   = "t2.micro"
    vpc_security_group_ids = ["${aws_security_group.instance.id}"]

    user_data = <<-EOF
                #!/bin/bash
                echo "Hello, world" > index.html
                nohup busybox httpd -f -p "${var.server_port}" &
                EOF

    tags {
        Name = "Web-Server"
    }
}

resource "aws_security_group" "instance" {
    name = "terraform-web-server-security-group"
    ingress {
        from_port   = "${var.server_port}"
        to_port     = "${var.server_port}"
        protocol    = "tcp"
        cidr_blocks = ["0.0.0.0/0"]
    }
}

output "public_ip" {
    value = "${aws_instance.web_server.public_ip}"
}

output "public_port" {
    value = "${var.server_port}"
}

#This line add an elastic IP-Address to one instance
#This IP-Address is public, and should be associated to one instance.
# resource "aws_eip" "ip" {
#     instance = "${aws_instance.terraform_example.id}"
# }