Architecture of the app

The point of using microservices is to follow the hype learn this form of architecture, and to allow for better decoupling: project members could develop a new data source in their preferred manner, without having to integrate with my big java codebase.

So this would roughly look like:

Or maybe better:

Figure 1. Second version

(this second solution would decouple even more the data collection from the data processing, the servers would not interface directly).