need to setup with couldFormation / chef script -
elb with/without https
auto scale webserver with php layer, update code ftp or git.
For the auto scale part, we should create AMI with all basic stuff installed and update that AMI with latest code which can be kept in s3 or github etc.
please write sum of 3 & 8 on top of proposal to prove that you read this and respond if you understand the needs and have done work in this area.