AWS CloudFormation is a service which lets you create a template that defines a set of resources and instructions on how to create those resources. CloudFormation aims to provide you with a way to deploy your infrastructure and resources consistently so that the process of deploying your application is frictionless. Consider that you are creating a VPC, subnets, EC2 instances, RDS DB instances, a load balancer, and Auto Scaling Group to host your application either through AWS Console or through CLI. When you need to duplicate the same environment in a different region or different VPC, you have to make all those decisions once again and create those individual resources. This is where CloudFormation plays a vital role. You can define a template with a required action and replay that template as many times as you want to replicate the environments.
The...