Setting up a Spring Cloud Gateway

In this section, we will learn how to set up an edge server based on Spring Cloud Gateway.

Setting up a Spring Cloud Gateway as an edge server is straightforward and can be done by means of the following steps:

1. Create a Spring Boot project using Spring Initializr as described in Chapter 3, Creating a Set of Cooperating Microservices—refer to the Using Spring Initializr to generate skeleton code section.
2. Add a dependency to spring-cloud-starter-gateway.
3. To be able to locate microservices instances though Netflix Eureka, also add the spring-cloud-starter-netflix-eureka-client dependency.
4. Add the edge server to the common build file, settings.gradle:

include ':spring-cloud:gateway'

5. Add a Dockerfile with the same content as for our microservices.
6. Add the edge server to our three Docker Compose...