intermediate~2h

OpenFeign: Declarative REST Clients

Calling another service shouldn't need the same boilerplate every single time. This module is how OpenFeign turns a service-to-service call into one annotated Java interface.

Learning objectives

  • Beginner: Declare a Feign client interface and call another service through it like a local method.
  • Intermediate: Configure a Feign client's timeout and add a request/response logging interceptor.
  • Advanced: Combine a Feign client with Resilience4j so a downstream call degrades gracefully instead of hanging.

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OpenFeign: Declarative REST Clients

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