Terraform AWS EC2 (Ubuntu)

1terraform {
2  required_providers {
3    aws = {
4      source  = "hashicorp/aws"
5      version = "~> 5.0"
6    }
7  }
8}
9 
10provider "aws" {
11  region = var.aws_region
12}
13 
14resource "aws_security_group" "ubuntu_sg" {
15  name        = "ubuntu-sg"
16  description = "Allow SSH and HTTP"
17 
18  ingress {
19    from_port   = 22
20    to_port     = 22
21    protocol    = "tcp"
22    cidr_blocks = ["0.0.0.0/0"]
23  }
24 
25  ingress {
26    from_port   = 80
27    to_port     = 80
28    protocol    = "tcp"
29    cidr_blocks = ["0.0.0.0/0"]
30  }
31 
32  egress {
33    from_port   = 0
34    to_port     = 0
35    protocol    = "-1"
36    cidr_blocks = ["0.0.0.0/0"]
37  }
38}
39 
40resource "aws_instance" "ubuntu" {
41  ami           = var.ami
42  instance_type = var.instance_type
43  key_name      = var.key_name
44  vpc_security_group_ids = [aws_security_group.ubuntu_sg.id]
45 
46  tags = {
47    Name = "Ubuntu-EC2"
48  }
49}

1variable "aws_region" {
2  default = "us-east-1"
3}
4 
5variable "ami" {
6  description = "Ubuntu AMI ID for your region"
7  default     = "ami-0c7217cdde317cfec"  # Ubuntu 22.04 us-east-1 — update for your region
8}
9 
10variable "instance_type" {
11  default = "t2.medium"
12}
13 
14variable "key_name" {
15  description = "Existing EC2 key pair name"
16}

1output "instance_public_ip" {
2  value = aws_instance.ubuntu.public_ip
3}
4 
5output "instance_id" {
6  value = aws_instance.ubuntu.id
7}