index.ts

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

const cluster = new aws.ecs.Cluster("default-cluster");

const lb = new awsx.lb.ApplicationLoadBalancer("nginx-lb", {});

const service = new awsx.ecs.FargateService("my-service", {
    cluster: cluster.arn,
    desiredCount: 2,
    taskDefinitionArgs: {
        container: {
            image: "nginx:latest",
            cpu: 512,
            memory: 128,
            essential: true,
            portMappings: [
                {
                    containerPort: 80,
                    targetGroup: lb.defaultTargetGroup,
                },
            ],
        },
    },
});

export const url = lb.loadBalancer.dnsName;

package.json

{
    "name": "ecs-ts",
    "devDependencies": {
        "@types/node": "^14"
    },
    "dependencies": {
        "@pulumi/aws": "^5.0.0",
        "@pulumi/awsx": "^1.0.0-beta.5",
        "@pulumi/pulumi": "^3.0.0"
    }
}