SSH key pair for access between instances in CloudFormation

Update 2023: the practice outlined in this post has been outdated. This post is for archive ony. We use CloudFormation to deploy infrastructure including private and public subnets, as well as EC2 instances. It is a good practice to place as many instances as possible in private subnet and access those only from Bastion Host … Read moreSSH key pair for access between instances in CloudFormation