How do I route traffic to an EC2 instance with Route 53?

In this guide, we will create an EC2 instance and set up a Route 53 DNS record to route traffic to the EC2 instance. We will use Pulumi to define and deploy our infrastructure.

Key Points

Create an EC2 instance.
Create a Route 53 hosted zone.
Create an A record in Route 53 to point to the EC2 instance.

import * as aws from "@pulumi/aws";
import * as pulumi from "@pulumi/pulumi";

// Create an EC2 instance
const ec2Instance = new aws.ec2.Instance("web-server", {
    ami: "ami-0c55b159cbfafe1f0", // Amazon Linux 2 AMI
    instanceType: "t2.micro",
    tags: {
        Name: "web-server",
    },
});

// Create a Route 53 hosted zone
const hostedZone = new aws.route53.Zone("exampleZone", {
    name: "example.com",
});

// Create a Route 53 A record to point to the EC2 instance
const aRecord = new aws.route53.Record("exampleRecord", {
    zoneId: hostedZone.zoneId,
    name: "www.example.com",
    type: "A",
    ttl: 300,
    records: [ec2Instance.publicIp],
});

// Export the name of the DNS record
export const dnsName = aRecord.fqdn;

Summary

In this guide, we created an EC2 instance and set up a Route 53 hosted zone. We then created an A record in Route 53 to point to the EC2 instance, enabling traffic routing to the instance.

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