Event-based integration is a key pattern for implementing microservices. In this chapter, you will learn how to how to implement microservices on AKS, including how to use Event Hub for loosely coupled integration between the applications. The securing of the communications between microservices will also be introduced to the reader. Microservices, when implemented with the correct organization/support in place, help businesses develop a growth mindset in their teams. DevOps maturity is crucial in making the digital transformation of companies a reality. You, as a developer and/or an engineer responsible for site reliability, will learn how to deploy them, and also how to leverage Azure Event Hub to store events. As you will learn in this chapter, events-based integration is one of the key differentiators between monolithic and microservice-based applications. We will cover the following topics in brief: 

• Introducing to microservices
• Deploying a set of microservices
• Using Azure Event Hubs