In this chapter, you have learned how to develop the different parts of an application based on microservices. Now, you have the required knowledge to deal with database storage, cache, communication between microservices, queues, and the request workflow from the point of entry to the application (routes) and the validation of the data until the time it is given to the consumer. In the next chapter, you will learn how to monitor your application in order to avoid and fix issues that happen during the application execution process.