Practice updating a CloudFormation stack

- [Instructor] In order to demonstrate change sets…with CloudFormation we're going to need a template…to create first.…Let's head into the CloudFormation console…using the recently visited services section.…Here we're going to create a new stack.…We need a template to use,…so I'm going to head over to my console…where I've downloaded the repo of CloudFormation…templates associated with this course.…There's one called instance and security group.yml.…Let's take a look at what's inside.…

For the top you'll see there's a section for parameters,…including instance name, VPC,…Subnet, keyname, instance AMI,…and instance type,…all things that we're going to need later in the template.…In the resources we have just two things,…a security group called my security group,…which opens up port 443 to the world,…and an Instance to which we will apply the security group,…called MyInstance.…You can see that it gets most of its parameter…values from the CloudFormation stack parameters.…

Finally in our outputs there's the Instance ID…