ec2-reference.tf

# configured aws provider with proper credentials
provider "aws" {
  region    = 
  profile   = 
}


# create default vpc if one does not exit
resource "aws_default_vpc" "default_vpc" {

  tags    = {
    Name  = 
  }
}


# use data source to get all avalablility zones in region
data "aws_availability_zones" "available_zones" {}


# create default subnet if one does not exit
resource "aws_default_subnet" "default_az1" {
  availability_zone = 

  tags   = {
    Name = 
  }
}


# create security group for the ec2 instance
resource "aws_security_group" "ec2_security_group" {
  name        = "ec2 security group"
  description = "allow access on ports 80 and 22"
  vpc_id      = 

  ingress {
    description      = "http access"
    from_port        = 
    to_port          = 
    protocol         = 
    cidr_blocks      = 
  }

  ingress {
    description      = "ssh access"
    from_port        = 
    to_port          = 
    protocol         = 
    cidr_blocks      = 
  }

  egress {
    from_port        = 
    to_port          = 
    protocol         = 
    cidr_blocks      = 
  }

  tags   = {
    Name = 
  }
}


# use data source to get a registered amazon linux 2 ami
data "aws_ami" "amazon_linux_2" {
  most_recent = true
  owners      = ["amazon"]
  
  filter {
    name   = "owner-alias"
    values = ["amazon"]
  }

  filter {
    name   = "name"
    values = ["amzn2-ami-hvm*"]
  }
}


# launch the ec2 instance and install website
resource "aws_instance" "ec2_instance" {
  ami                    = 
  instance_type          = 
  subnet_id              = 
  vpc_security_group_ids = 
  key_name               = 
  user_data              = 

  tags = {
    Name = 
  }
}


# print the ec2's public ipv4 address
output "public_ipv4_address" {
  value = 
}