1. Answers
  2. Using aws ec2 with amplify

How do I integrate AWS EC2 with Amplify?

To integrate AWS EC2 with Amplify, we need to set up an EC2 instance and an Amplify application. We’re utilizing these specific resources because EC2 provides scalable compute capacity, and Amplify makes it easy to develop and deploy web and mobile applications.

Detailed Explanation

  1. Provider Configuration: We define the configuration to use AWS as the cloud provider.
  2. EC2 Instance: Create an EC2 instance which will serve as your backend compute resource.
  3. Security Group: Necessary for defining firewall rules for the EC2 instance.
  4. Amplify App: Setting up AWS Amplify to manage the front-end application lifecycle.
  5. Outputs: Export the relevant stack information, such as the instance ID and Amplify app details.

Program

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

// Security Group Definition
const allowSsh = new aws.ec2.SecurityGroup("allow_ssh", {
    namePrefix: "allow_ssh_",
    ingress: [{
        fromPort: 22,
        toPort: 22,
        protocol: "tcp",
        cidrBlocks: ["0.0.0.0/0"],
    }],
    egress: [{
        fromPort: 0,
        toPort: 0,
        protocol: "-1",
        cidrBlocks: ["0.0.0.0/0"],
    }],
});
// EC2 Instance Definition
const appServer = new aws.ec2.Instance("app_server", {
    ami: "ami-0c55b159cbfafe1f0",
    instanceType: aws.ec2.InstanceType.T2_Micro,
    securityGroups: [allowSsh.name],
    tags: {
        Name: "AppServerInstance",
    },
});
// Amplify App Definition
const myapp = new aws.amplify.App("myapp", {
    name: "myAmplifyApp",
    repository: "https://github.com/aws-amplify/amplify-js-samples",
    enableBranchAutoBuild: true,
    environmentVariables: {
        REACT_APP_API_URL: pulumi.interpolate`http://${appServer.publicDns}`,
    },
});
export const instanceId = appServer.id;
export const instancePublicDns = appServer.publicDns;
export const amplifyAppId = myapp.id;

Summary

By defining an AWS provider, security group, EC2 instance, and an Amplify app, we’ve successfully set up a scalable backend compute resource alongside a managed front-end application deployment pipeline. Using stack exports, we can easily reference the EC2 instance ID, its public DNS, and Amplify application details.

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