In this chapter, we will focus on how to configure instances in VPC for Auto Scaling, and consider what and how to configure to make our application highly available.
It is important to understand what exactly scaling is! In this chapter, we will cover vertical scaling and horizontal scaling in detail.
After understanding the basics of scaling and the different types of scaling, we will create an instance in the default VPC, install a runtime environment, and deploy a sample application.
Once the instance is ready, we will create an Amazon Machine Image (AMI) out of it, which we will use while creating an Auto Scaling group.
Once the AMI is ready, we will create an Auto Scaling group. However, we need to launch the configuration we've created before we can create it.
We will cover the following topics in this chapter:
- An overview of Auto Scaling...