Now that we've gone over both the instance and scaling types, let's move forward with creating 24/7 instances.
If you've been following along until this point using OpsWorks, you should be at the Instances page as illustrated in the following screenshot:
Click on the Add an instance link to add an instance. If your stack and layer were created properly, you should see
php-app1 as the Hostname, Medium (c1.medium) as the Size (this is not configurable in the stack or layer), and us-east-1c as the Availability Zone. Set the Size to Micro (t1.micro) and click on the Advanced link.
After you click on the Advanced link, ...