1. A method, comprising: responsive to a request to deploy a multi-tier application on one or more virtual computing resources using a first deployment application to orchestrate a deployment of the multi-tier application, provisioning a virtual computing resource based on a template generated for use in a cloud computing system and including a template agent, the template agent being configured to communicate with a second deployment application to receive and perform tasks for customizing the provisioned virtual computing resource; receiving, by the template agent from the second deployment application, a script or information indicating a location from which the template agent downloads the script; and executing the script to install a software agent on the provisioned virtual computing resource, wherein the software agent is configured to communicate with the first deployment application to facilitate deployment of at least a portion of the multi-tier application onto the provisioned virtual computing resource.