Microservices Development Cookbook

Message producer

1. Open the message-service project from previous recipes. Modify the build.gradle file and add the spring-kafka project to the list of dependencies:

dependencies {    compile group: 'org.springframework.kafka', name: 'spring-kafka', version: '2.1.1.RELEASE'    compile group: 'org.springframework.boot', name: 'spring-boot-starter-web'    testCompile group: 'junit', name: 'junit', version: '4.12'}

2. The spring-kafka project provides a template for sending messages to a Kafka broker. To use the template in our project, we'll need to create a ProducerFactory interface and provide it to the constructor of the template.
3. Open the Application.java file and add the following content. Note that we're hardcoding the network location of the Kafka ...