ComputeEnvInstanceTypes:

Type: CommaDelimitedList

# Default: "c4.large,c4.xlarge,c4.2xlarge,c4.4xlarge,c4.8xlarge"

Default: "c4.large,c4.xlarge,c4.2xlarge,c4.4xlarge,c4.8xlarge,g4dn.xlarge,g4dn.2xlarge,g4dn.4xlarge,g4dn.8xlarge,g4dn.16xlarge,g4dn.12xlarge"

Description: "The instance types for the compute environment as a comma-separated list"