• views: 138
• date: 18 May 2025
• posted by: 0nelove

Learn how to implement resilient microservice communications in an entirely practical course
What you'll learn
Using Feign to communicate between microservices
Using Spring Cloud OpenFeign to communicate between microservices
Ensuring service resiliency
Integration testing of microservice communications using WireMock
Integrating circuit breakers into the communications
Ensuring API response time using Time Limiters
Key Resilience4J features combined with Feign
Client side load balancing
Using Spring Cloud Netflix Eureka as a Service Registry
Requirements
Beginner Java knowledge
Beginner Spring and Spring Boot knowledge
A tiny bit of WireMock knowledge for the testing module
Description
In this very practical course, you'll learn how to do effective microservice HTTP communication using Feign and Spring Cloud OpenFeign.Nowadays microservices are everywhere. We need to learn how to use the architecture to our advantage to achieve the targeted goals. I'll help you to understand how to build a resilient communication channel between your services.The course curriculum includes a lot of exciting pieces:Regular Feign annotations and mappingsRetriesCustom error handlingTimeout handlingAsync communicationSpring Cloud OpenFeign configurationResilience4J circuit breakersResilience4J time limitersIntegrating Spring Cloud Eureka service registryClient side load balancingIntegration testing the API clients using WireMockIntegration testing circuit breakers, time limtiers and load balancing using WireMockAnd that's just a high-level overview what's covered. The course includes non-stop coding where we'll build a complex microservice system to make sure you understand the concepts in detail.Mastering how to build a reliable communication between your services is critical for every product. In a microservice system, everything can break, even your communication. During this course you'll learn the tools to ensure your messages hit the destination. Another important question, making sure your individual services can scale to the load. What if they cannot? How to configure your API clients to cope with this and make sure we're not overloading the services? Using Resilience4J and Spring Cloud OpenFeign, we'll hit this milestone very quickly.Testing microservices was never easy. On the contrary, it's a question most engineers would avoid. Using WireMock and combining it with Spring Cloud OpenFeign, I'll show you how to test your request/response mappings, circuit breakers, load balancing, and much more.
Who this course is for
Intermediate Java engineers curious about microservice communication
Anybody with little or no experience about Feign
Anybody with little or no experience about Spring Cloud OpenFeign
Java engineers curious about the integration testing of microservice communications




   
   
   

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