main.tf

provider "aws" {
  region = var.aws_region
}

resource "aws_instance" "ec2_instance" {
  ami           = var.ami_id
  instance_type = var.instance_type
  key_name      = var.key_name
  subnet_id     = var.subnet_id

  vpc_security_group_ids = [aws_security_group.allow_ssh.id]

  tags = {
    Name = "EC2 w/ Docker Minimal (Ubuntu)"
  }

  user_data = <<-EOF
    #!/bin/bash

    sudo apt-get update
    sudo apt-get install docker.io -y
    sudo systemctl start docker
    sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
    sudo chmod +x /usr/local/bin/docker-compose

  EOF
}

resource "aws_security_group" "allow_ssh" {
  name        = "allow_ssh"
  description = "Allow SSH inbound traffic"
  vpc_id      = var.vpc_id

  ingress {
    description = "SSH from anywhere"
    from_port   = 22
    to_port     = 22
    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"]
  }

  tags = {
    Name = "allow_ssh"
  }
}