a variable file. To build a new java-builder instance the following would be done:
```
-packer build -var-file=vars/cloud-env.json -var-file/centos.json templates/java-builder.json
+packer build -var-file=vars/cloud-env.json -var-file=vars/centos.json templates/java-builder.json
```
**NOTE:** vars/cloud-env.json is a gitignored file as it contains private
-information. There is a vars/cloud-env.json.example file that may be used as a
-base for creating the one needed.
+information. A vars/cloud-env.json.example file is provided as an example.
This would build bootable image in two different OpenStack clouds. In specific,
Rackspace's Public cloud and a private OpenStack cloud.