there is any best and most secure way to create the stack shown in these slides. However, I want to add that these slides are only intended to display a summary of the main CloudFormation features, and how it becomes easy to use even for someone without sysadmin skills. Thanks.
AND MANAGE A COLLECTION OF RELATED AWS RESOURCES, PROVISIONING AND UPDATING THEM IN AN ORDERLY AND PREDICTABLE FASHION. https://aws.amazon.com/cloudformation WHAT IS CLOUDFORMATION
Web application that serves a simple website with a Hello World text. ▸ Should use t2.small instances. ▸ Should auto scale automatically on high cpu load. ▸ Port 80 should be accessible by anyone. ▸ The rest of ports should be opened ONLY for our office ip’s.
Is the Load Balancer working? ▸ Let’s test our autoscaling strategy. ▸ Let’s test our Load Balancer health check. ▸ Is our Security Group working ok?. ▸ Etc
Amazon AWS (Website) ▸ Troposphere (in python). - wrapper ▸ puppetlabs/cloudformation (Puppet module) - wrapper ▸ And more… DO NOT USE ANY IF YOU DONT REALLY NEED THEM. IT’S BETTER LEARN HOW IT WORKS DIRECTLY AND CRAFT JSON TEMPLATES DIRECTLY.