1. When to create a new microservice vs when to extent existing microservice?
Deciding when to create a new microservice vs. when to extend an existing one can be a complex decision that requires careful consideration of a variety of factors. Here are some guidelines that can help you make this decision:
Domain boundaries: Microservices are designed to encapsulate a specific business capability or domain. If a new feature or functionality represents a new domain or business capability that is distinct from the existing microservices, then it may be appropriate to create a new microservice.
Autonomous teams: Microservices are often developed by autonomous teams that are responsible for the entire development and deployment lifecycle of their microservices. If a new feature or functionality requires a separate team or set of teams to develop and deploy, then it may be appropriate to create a new microservice.
Scalability: Microservices are designed to be scalable, both horizontally and vertically. If a new feature or functionality requires significant scaling that is beyond the capabilities of an existing microservice, then it may be appropriate to create a new microservice.
Technology: Microservices are designed to be loosely coupled and independent of each other. If a new feature or functionality requires a different technology stack or architecture that is not compatible with the existing microservices, then it may be appropriate to create a new microservice.
Data management: Microservices are designed to have their own data stores and to be responsible for their own data management. If a new feature or functionality requires a different data model or data management strategy that is not compatible with the existing microservices, then it may be appropriate to create a new microservice.
Ultimately, the decision to create a new microservice or extend an existing one will depend on a variety of factors, and each situation will be unique. It is important to carefully evaluate the trade-offs of each option and to make a decision that aligns with your organization’s goals and priorities.
