Cloud microservices aggregating the alerts 

The primary goal of the Cloud Service is to store the Alerts data that is generated in the Edge Gateway, and the ability to retrieve the data for future access. In the previous sections have covered the Edge Gateway, and the Cloud connectivity with WebSockets on both the Edge Gateway and the Cloud Server. In this section, we will implement the alerts Cloud service and APIs. To implement the Alerts Service we used the following:

  • Spring Boot to build out the REST API: Spring Boot applications are typically run in a cloud system such as Cloud Foundry or AWS/Azure and hence all the configurations have to be externalized 
  • REST end points to transfer JSON messages
  • Used Liquibase to manage the DB connection  ...

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