Scenario

• Steve (Cloud Engineer) has been assigned a task to create wordpress instance in AWS

Possible Solutions

• Manual Work: Steve can implement solution manually, but If he needs one more instance, Steve has repeat all of actions
• Automation using Shell/Powershell Scripts: Steve writes the Shell Script to create wordpress using AWS CLI. Changes in the future are difficult to handle
• Better Approach Using Templates:
  • Steve creates a template for WordPress
  • Whenever any team wants this, he executes a template
  • To Create this template Steve uses Cloudformation.
  • Using DRY (Dont Repeat Yourself) as a principle, write one use many times
• Screenshots of Creating a Template
• Once you are done, deleting the Cloud formation stack will delete everything that has been created

What is required to Write Cloudformation

• Learn Basic File formats
  • JSON
  • YAML
• Know the manual steps of creating deployments

Approach in Classroom

• Before writing templates, we will do the steps manually and then create a template from the understanding

Exercise

• Go through Azure’s session today
  • Azure Migrate => AWS Server Migration Service
  • ARM Template => CloudFormation