What are microservices and how do they handle versioning?

What are microservices and how do they handle versioning?

Microservices are an architectural style that structures an application as a collection of small, independent services. Each service is responsible for a specific business capability. Versioning in microservices is crucial because it allows different services to evolve independently without breaking the entire system.

Why is versioning important in microservices?

Versioning is important in microservices to ensure compatibility between services. It allows teams to deploy updates or changes to a service without affecting others, thus maintaining system stability and enabling continuous delivery.

What are some common strategies for versioning microservices?

Common strategies include URL versioning (e.g., /v1/resource), header versioning, and query parameter versioning. Each has its pros and cons depending on the use case.

Can you give an example of how to implement versioning?

Sure! For URL versioning, you might have endpoints like /api/v1/users and /api/v2/users. The v2 endpoint could introduce new features or changes without disrupting the v1 users.