Setup App AMI

Creating an AMI for our app is great for horizontal scaling, but it also makes it easy to deploy our app in a private subnet. Especially if we adopt the ideologies of immutable infrastructure.

In this part, we are going to setup an AMI for our app instance so that we can the app to our private subnets.

Create Setup Instance

step 1:

Navigate to the EC2 dashboard and launch a new instance

step 2:

This is just for setting up the AMI so name it appropriately

step 3:

Select Ubuntu as the base AMI

step 4:

Select an SSH key so you can login

step 5:

For Network settings, click Edit

step 6:

Select the custom VPC, one of the public subnets, and make sure Auto-assign public IP is Enabled