Creating an application load balancer

The following procedure is used to configure a Fargate ECS service with an application load Balancer:

1. Create an application load balancer
2. Create a task definition

3. Create a service
4. Configure the application load balancer with the service
5. Invoke the service

First, we shall create an application load balancer:

1. Open the EC2 Console in a browser by going to https://console.aws.amazon.com/ec2, and select Load Balancing | Load Balancers.
2. Click on Create Load Balancer, as shown in the following screenshot:

3. In Select load balancer type, click on Create for the Application Load Balancer, as shown in the following screenshot. An application load balancer is used for HTTP/HTTPS request protocols.

4. In Configure Load Balancer, specify a load balancer name (hello-world-lb) in the Basic Configuration, as shown in the following screenshot, and select internet-facing as the Scheme. Only a-z, A-Z, 0-9, and hyphens may be used in the load balancer name.
5. Select ipv4 as the IP address...