Beside the stack-name, you need to specify:
- Domain: The domain name for the website
- ValidationDomain: The domain name to use for certificate validation.
aws --region us-east-1 cloudformation create-stack \
--stack-name YourStackName \
--parameters ParameterKey=Domain,ParameterValue=www.example.com \
ParameterKey=ValidationDomain,ParameterValue=example.com \
--template-body "$(cat site.yml)"