1. Once you log in to the platform, you will get to this main page:

2. Click on the Services menu (top left) and then Elastic Container Service (under the Compute menu):

3. On the page that opens, click on Get started:

4. Check only the Deploy a sample application onto an Amazon ECS Cluster option. Then click on Continue:

5. Fill in the blanks as follows, paying special attention to the Image field, where you will use our prebuilt image:

6. Scroll down the page and set Port mappings as shown here. Click on Continue:

7. Give the service a name and set the Desired number of tasks to 1. Click on Next step:

8. Configure the cluster as shown here:

9. Scroll down to the page and click on Launch instance & run service:

10. You can follow the status of the process on the following page. When it's done, click on the View service button:

11. You'll see the details of your service on the following page. Click on the default > label:

On the page that opens, you can see more details about the cluster: 

12. Click on the Tasks tab to see information about the tasks and the containers created:

13. Click on the Container Instance label to see details about the container that has been created:

14. Check the Public IP label and copy the IP. It's automatically mapped to the 8080 port. Use http://[public-ip]/app to try it:

If you can see the same screenshot, that's great! You are now orchestrating your container in AWS.