1. An apparatus comprising: a database including an application component that provides a logical template of an application, the application component including a plurality of initial application component properties associated with the application; a hardware processor; a deployment metaproperty manager to: generate an initial application component metaproperty, the initial application component metaproperty whitelisting a respective one of the initial application component properties; and generate a first deployment metaproperty event notification in response to a deployment metaproperty event record that records deployment metaproperty event information about a deployment metaproperty event occurrence, the first deployment metaproperty event notification including a first metaproperty payload, the first metaproperty payload including the initial application component metaproperty; and a deployment event broker to consume the first deployment metaproperty event notification from the deployment metaproperty manager, the deployment event broker including a deployment metaproperty topic to publish the first deployment metaproperty event notification to an extensible metaproperty service in response to the deployment event broker consuming the first deployment metaproperty event notification, at least one of the deployment metaproperty manager and the deployment event broker implemented on the hardware processor.