Updated readme for packer centos and VM builds.

README.md

@@ -11,6 +11,8 @@ The templates are only tested with [packer](http://www.packer.io/downloads.html)
 
 For local builds, you will need to provide a symbolic link to the `ansible-playbooks` directory for matching repo location. Make sure you have cloned and setup the [ansible-playbooks repo](https://github.internet2.edu/docker/ansible-playbooks).  The `master` branch is acceptable for all developer test builds.
 
+For Automated builds utilizing Jenkins, you will want to setup your build hosts on physical hardware, as how VirtualBox interacts with the host environment.
+
 #### example
 ```
 ln -s /path/to/ansible-playbooks ansible-playbooks
@@ -68,17 +70,24 @@ For all operating systems we generate images for
 
 This template only is tested against 64 bit systems. With the following sizing requirements:
 ```
-  "vmx_data": {
-    "cpuid.coresPerSocket": "1",
-    "memsize": "512",
-    "numvcpus": "2"
-  }
+  "profile": "xfs",
+  "disk_size": "20000",
+  "memory": "6122",
+  "cpus": "2",
 ```
 
 ```
   "disk_size": 81920
 ```
 
+## Post Processors
+
+The final VM appliance formats will be uploaded into AWS infrastructure. The two compressed tarballs to S3 buckets and AMI to EC2.
+
+- Compressed ova / ovf format
+- Compressed Vagrant format
+- Imported AWS AMI
+
 
 # License