What are AWS SAM templates and how do parameters work?
AWS SAM (Serverless Application Model) templates are used to define serverless applications. Parameters allow you to customize your templates at deployment.
Can you give me an example of how to define parameters in a SAM template?
Sure! You can define parameters in the 'Parameters' section of your SAM template like this:
Parameters:
MyParameter:
Type: String
Default: 'defaultValue'
Description: 'An example parameter'
How do I reference these parameters in my resources?
You can reference parameters using the syntax !Ref MyParameter
. For example, in a resource definition, you might use it to set an environment variable.
What are some best practices for using parameters in SAM templates?
Some best practices include using descriptive names, providing default values, and validating input types to ensure proper deployment.
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