Nested Stacks

• CloudFormation nested stacks are part of other stacks
• Used for repeated patterns. For example
  • Load Balance to be reused
  • Security group to be reused
• Cross Stacks (share Outputs) vs Nested Stacks
  • Use Nested Stack when you want to re-use a component
  • Use Cross Stacks if you just simply want to share the Outputs, export some values