Cloud-Formation-Templates

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-template-resource-type-ref.html

Cloud Formation Update Behaviour:

It depends on what you submit.

1. Update with no interruption
2. Update with some interruption
3. Replacement

CloudFormation Template Paramter that are common to any CloudFormation :

• Tags
• Permission
• Notification Options
• Timeout
• Rollback on Failure
• Rollback COnfiguration(Monitoring time and CloudWatch Alarm)
• Stack Policy
• Termination Protection
• Quick-Start Link

CloudFromation Building Block

• Description
• Transform
• MetaData
• Resources
• Parameters
• Mappigns
• Outputs
• Conditionals
• Rules

Parameter:

• It a input that you provide to your stack that you are deploying.
• And it can be leveraged to reference parameters.