我认为实现此目的的方法是在每推出一个新软件时创建一个新的ami。然后，您为每个AMI构建一个新的启动配置。然后，使用新的启动配置更新扩展组。

I think the way to accomplish this is to create a new ami with each new piece of software rolled out. You then build a new launch config for each ami. You then update your scaling group with the new launch config.