index.js

"use strict";

const pulumi = require("@pulumi/pulumi");
const aws = require("@pulumi/aws");

let size = "t2.micro";    // t2.micro is available in the AWS free tier

// Get the id for the latest Amazon Linux AMI
let ami = aws.ec2.getAmi({
    filters: [
        { name: "name", values: ["amzn-ami-hvm-*-x86_64-ebs"] },
    ],
    owners: ["137112412989"], // Amazon
    mostRecent: true,
}, { async: true }).then(result => result.id);

// create a new security group for port 80
let group = new aws.ec2.SecurityGroup("web-secgrp", {
    ingress: [
        { protocol: "tcp", fromPort: 22, toPort: 22, cidrBlocks: ["0.0.0.0/0"] },
        { protocol: "tcp", fromPort: 80, toPort: 80, cidrBlocks: ["0.0.0.0/0"] },
    ],
});

// (optional) create a simple web server using the startup script for the instance
let userData =
`#!/bin/bash
echo "Hello, World!" > index.html
nohup python -m SimpleHTTPServer 80 &`;

let server = new aws.ec2.Instance("web-server-www", {
    tags: { "Name": "web-server-www" },
    instanceType: size,
    vpcSecurityGroupIds: [ group.id ], // reference the group object above
    ami: ami,
    userData: userData              // start a simple web server
});

exports.publicIp = server.publicIp;
exports.publicHostName = server.publicDns;