Overview of Amazon EventBridge
Amazon EventBridge is a serverless event bus service for AWS services, your applications, and Software-as-a-Service (SaaS) providers. Events are generated for any change in the state of resources. From an observability point of view, Amazon EventBridge is a service that allows you to subscribe to events and receive notifications when those events occur.
An event is a signal that a system’s state has changed, such as an EC2 instance that has been shut down. To write code to react to events, you need to know the events’ schemas, which include information such as the title, format, and validation rules for each piece of event data.
Let’s take a look at how EventBridge works. EventBridge has four main components:
- Event sources: Event sources are the place where an event comes from. AWS services generate events when there is any change in the state of resources. For example, Amazon EC2 generates events when there is any change...