jhipster 应用在​​微服务中的使用

Question

首先，我是 Jhipster 的新手。我已经创建了 jhipster 网关（前端），没有应用程序（后端）。

我原以为这不会起作用，因为后端不存在/不工作，所有服务调用都将通过后端访问数据库。

当我尝试使用 http://localhost:8080 访问前端时，我可以看到一切正常。我不确定如何。谁能解释一下？

JHipster v6.10.5 用于此。

谢谢 希里什

JHispter 命令行的应用程序响应：

? Which *type* of application would you like to create? Microservice gateway 
? [Beta] Do you want to make it reactive with Spring WebFlux? No 
? What is the base name of your application? gateway 
? As you are running in a microservice architecture, on which port would like your server to run? It should be unique to avoid port conflicts. 8080 
? What is your default Java package name? com.btn.test 
? Which service discovery server do you want to use? JHipster Registry (uses Eureka, provides Spring Cloud Config support and monitoring dashboards) 
? Which *type* of authentication would you like to use? JWT authentication (stateless, with a token) 
? Which *type* of database would you like to use? SQL (H2, MySQL, MariaDB, PostgreSQL, Oracle, MSSQL) 
? Which *production* database would you like to use? MySQL ? Which *development* database would you like to use? MySQL 
? Do you want to use the Spring cache abstraction? Yes, with the Hazelcast implementation (distributed cache, for multiple nodes, supports rate-limiting for gateway applications) 
? Do you want to use Hibernate 2nd level cache? Yes 
? Would you like to use Maven or Gradle for building the backend? Maven 
? Which other technologies would you like to use? 
? Which *Framework* would you like to use for the client? Angular 
? Would you like to use a Bootswatch theme (https://bootswatch.com/)? Default JHipster 
? Would you like to enable internationalization support? No 
? Besides JUnit and Jest, which testing frameworks would you like to use? Gatling, Cucumber, Protractor 
? Would you like to install other generators from the JHipster Marketplace? (y/N) No

---

emp.jdl

/**
 * The Employee entity.
 * @author Shirish Bathe
 */
entity Employee {
    name String required unique
    dept String
}

现在我使用 http://localhost:8080 访问网关并尝试访问员工实体。我能够在表格中看到（假）数据。

因此，即使后端应用程序不存在，应用程序也可以正常工作。如何？我错过了什么吗？

Answer 1

网关包含整个 UI。当您定义实体时，微服务就会发挥作用。这些不由网关管理（但 UI 是）。这张概览图很好地描述了架构：

https://www.jhipster.tech/microservices-architecture/