[AWS] AWS CDK (Cloud Development Kit) Basics

What is AWS CDK?

• Open Source Tool that allows developers to use their favorite programming languages to write.
• imperative code to generage declarative CloudFormation templates
• Available in JavaScript, Java, C sharp, Python, C#, and Go
• Node.js is a requirement

 

CDK Basics

• CloudFormation?
  • AWS Service that provisions AWS Resources in Stacks
  • A Stack is a collection of AWS Resources
  • Stack Templates are in YAML/JSON format
  • Templates are declarative code
  • Change set >> Create or update resources
• Layers of a CDK App
  • App: no CloudFormation equivalent
    • Stack: CloudFormation Stack
      • Nested Stack: CloudFormation Nested Stack
      • Construct: 1 (or more) CloudFormation Resources
  • Can have multiple apps
  • Apps can have multiple Stacks
  • "The Output of CDK is cloudFormation"
• What is a CDK App?
  • App is a special root Construct
  • Orchestrates the lifecycle of the Stacks and Resources whitin it.
  • App Lifecycle: Construct, Prepare, Validate, Synthesize, Deploy.
  • 

- Simple use if statement >> simpler

 

- ex: Paper Request unless specify application 

- Helper functions

RESOURCES