Once the service has been successfully configured, we can commence testing the service. Before we begin that activity, let's take a moment to view the service architecture that has been built:
Despite the simplicity of our service, the constituent components remove much of the complexity associated with processing information. The use of Cloud Storage negates the need to work with a database and provides an effective event notification system for content changes that are made to the storage.
Once the data has been uploaded, the event notification generates a new Cloud Pub/Sub message containing relevant information on the file uploaded. Again, we are not required to do any processing to achieve this result. The Topic/Subscription mechanism provides all the message-processing capability required.
Finally, the message that a new file has been...
