The nuts and bolts of Spring cloud Eureka discovery server, Let’s cover it in this extended lesson. In this video we will learn to implement spring cloud Netflix eureka in our microservices. The services that we usually write should be container friendly , hence will be having dynamic url’s . In that case, communication between different microservices will be tricky as all the service url’s changes every time. Service discovery and service registry is a pattern which comes for rescue. We made all our microservices , a client to a discovery server which keeps tracks of all the service urls.
When a microserivce wants to connect to another , it reaches to the discovery service and asks for the url of the destined Microservices. Once the discovery service returns back the url info, the calling microservice makes a call to the destined Microservices using the service url.
So as we understand, we need to build couple of things. The step 1 is to build a discovery service where my services will be registered. The spring cloud in collaboration with Netflix eureka gives us a powerful discovery server called spring cloud Netflix eureka which works seamlessly to help discovering all our microservices.
The step 2 will be, adding the Netflix eureka client dependency in our microservices which helps our microservices to register with the discovery service when they bootstrap.Let’s say if we have a hundreds and thousands of microservices , we will make all these services a client to the discovery server so that they can register themselves with the discovery server.
Let’s learn this concept step by step. Implement, do discovery service configuration and learn all the foundation that you need to work in a microservice environment.
Time Stamp
------
00:00:00 - Introduction to Service Discovery
00:07:20 - So many apps.. How to mange urls ?
00:11:18 - Spring Boot + Spring Cloud Netflix Eureka
00:14:58 - Enabling eureka dashboard
00:17:48 - AWS Regions and Availability zones
00:27:58 - Eureka Discovery Service clusters
00:36:32 - Solving eureka server bootstrap issue - connection refused !
00:39:21 - fetch-registry
00:44:13 - Eureka internals concepts (default/customized port mystery )
00:58:47 - enabling/disabling client registration (register-with-eureka)
01:02:00 - Building a eureka client
01:20:54 - how eureka client and server communicates (Internals) ?
01:29:54 - Debugging Guide - Eureka clients are not registering. Help !
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In this series of Sessions we will learn to create Microservices using spring boot and We will Implement spring cloud to resolve the known challenges during MS development.
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2 июл 2024
