~$ aws ec2 describe-instances --instance-ids i-00b1717ed1e92da21 \
  | jq .Reservations[].Instances[].InstanceType
"t2.micro"
 
~$ aws ec2 describe-instance-types --instance-types t2.micro \
  | jq -c '.InstanceTypes[].MemoryInfo'
{"SizeInMiB":1024}
