Nacos common configuration

In this article Nacos Common configuration

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BootStrap and Application The difference between configuration files

BootStrap and Application The difference between configuration files

• Connect nacos The distributed configuration center must adopt bootstrap Form priority loading Otherwise you may report an error .bootstrap.yml The highest priority , It is the boot phase of the application context .bootstrap.yml By father Spring ApplicationContext load . our application Configuration form belongs to Spring Context .
• The registry is built for long polling , But the configuration center is not long polling , Add... To the configuration file @RefreshScope Annotations can be refreshed dynamically , Otherwise, the local configuration cache will not be refreshed automatically .

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nacos Common configuration

nacos Common configuration

1. dataId The configuration to be configured is consistent with the service name
2. Multi environment configuration can be set

frequently-used yml File configuration information

spring:
  application:
    name: nacos-ccc
  cloud:
    nacos:
      #### Registry connection address 
      discovery:
        server-addr: 10.211.55.16:8848
        #### Configure the connection address of the center 
        enabled: true
      config:
        server-addr: 10.211.55.16:8848
        group: DEFAULT_GROUP
        ### Extension type of configuration file 
        file-extension: properties
  ### Enable multiple environments 
  profiles:
    active: pro
server:
  port: 8888

JAVA Core code

@RestController
@SpringBootApplication
// Configuration changes , adopt @RefreshScope Annotations can refresh local cache information in real time 
@RefreshScope
public class NacosController {
    

    // The use is consistent with the use of ordinary resource files 
    @Value("${ttt.name}")
    private String userName;

    @RequestMapping("/getConfig")
    public String getConfig() {
    
        return userName;
    }

    public static void main(String[] args) {
    
        SpringApplication.run(NacosController.class);
    }
}

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This paper summarizes

This paper introduces nocas Common configuration information in .