Hands-On Microservices with Kotlin

Setting configuration values

There is a time in any application that we may need to have a configurable value, something that we can define outside our main code and that can easily change, let's get an understanding through an example, modifying our service class:

package com.microservices.chapter2import org.springframework.beans.factory.annotation.Valueimport org.springframework.stereotype.Service@Serviceclass ExampleService : ServiceInterface {  @Value(value = "\${service.message.text}")  private lateinit var text: String  override fun getHello(name : String) = "$text $name"}

In this change, we have introduced a new variable that has a configurable value using the @Value annotation. This will be filled with the configuration value provided ...