{
    "AWSTemplateFormatVersion" : "2010-09-09",
    "Description" : "Nginx-Webserver",
    "Parameters" : {
        "SSHSchluessel" : {
            "Type": "AWS::EC2::KeyPair::KeyName"
        },
        "Instanzentyp" : {
            "Type" : "String",
            "Default" : "t2.micro",
            "AllowedValues" : [ "t2.micro", "t2.small", "t2.medium" ]
        }
    },
