Master Microservices with Spring Boot and Spring Cloud - Step 28 – Distributing Calls Using Eureka and Ribbon

The video tutorial explains how to use the Eureka naming server to manage microservices. It covers the configuration of services to communicate without hardcoding URLs, using Ribbon to retrieve service details from Eureka. The tutorial demonstrates launching services, testing communication, and handling multiple instances for load balancing. It also addresses managing service failures and adapting to instance changes, highlighting the resilience of the setup with Eureka and Ribbon.

What is the primary role of Eureka in a microservices architecture?

• To manage database connections

• To act as a naming server for service discovery

• To provide a user interface

• To store application data

Why is it beneficial to avoid hardcoding URLs in microservices?

• It allows for dynamic service discovery and flexibility

• It improves the speed of the application

• It simplifies the user interface

• It reduces the need for a database

What is the first step in setting up the services with Eureka?

• Hardcoding the service URLs

• Launching the naming server application

• Configuring the database

• Starting the currency conversion service

How does the currency conversion service find the currency exchange service?

• Through direct database queries

• By using a static IP address

• By using hardcoded URLs

• By querying the Eureka naming server

What happens when multiple instances of a service are registered with Eureka?

• The system crashes

• Requests are distributed among all instances

• Only the first instance is used

• Only the last instance is used

What is the effect of bringing down an instance of a service?

• All requests fail

• The naming server crashes

• Requests are rerouted to other instances

• The system stops working

How does the setup with Eureka and Ribbon handle new instances?

• It ignores new instances

• It requires manual configuration

• It automatically adjusts to include new instances

• It crashes the system