Microservices with Docker on Microsoft Azure™ (includes Content Update Program)

7. Monitoring

In the last couple of chapters, we have learned how to design and develop a containerized microservice-based application. If we recall some of the core concepts about microservices, we know that the services should communicate with each other through APIs so that we have a loosely coupled and flexible architecture. An environment like this introduces a set of challenges when it comes to monitoring and operational management. Questions like the following arise: how does the system know that it needs to start another instance of a service as one cannot handle the load anymore, or how does the system know that it needs to spin up another host VM as the ones that in use are running into resource constraints? To answer all those questions ...