When you have a fleet of services, you need to decide how they should communicate with each other. There are several options to consider: direct calls, indirect events, a central orchestrator, or a combination. We will explore the pros and cons of each style and provide guidance on how to choose the best one for your needs.

If you decide to use a central orchestrator, there are several best practices you can follow to ensure that your system is reliable and easy to maintain. We will dive into these best practices, including handling service failures, implementing retries, using the saga pattern, and incorporating GitOps practices into your workflow.