docker 启动 nacos

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docker run --name demo-nacos-server -p 8848:8848 -p 9848:9848 -p 9849:9849 --privileged=true --restart=always -e JVM_XMS=256m -e JVM_XMX=256m -e MODE=standalone -e PREFER_HOST_MODE=hostname -d nacos/nacos-server:v2.4.0.1

建立spring cloud 父项目需要的jar 包

spring cloud dependencies 整合了所有需要的 微服务组件以供直接调用

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<parent>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-parent</artifactId>
	<version>2.7.12</version>
	<relativePath/>
</parent>

<properties>
	<spring-cloud.version>2021.0.3</spring-cloud.version>
	<spring-cloud-alibaba.version>2021.0.4.0</spring-cloud-alibaba.version>
</properties>

<dependencyManagement>
	<dependencies>
		<!--spring cloud-->
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-dependencies</artifactId>
			<version>${spring-cloud.version}</version>
			<type>pom</type>
			<scope>import</scope>
		</dependency>
		<!--spring cloud alibaba-->
		<dependency>
			<groupId>com.alibaba.cloud</groupId>
			<artifactId>spring-cloud-alibaba-dependencies</artifactId>
			<version>${spring-cloud-alibaba.version}</version>
			<type>pom</type>
			<scope>import</scope>
		</dependency>
	</dependencies>
</dependencyManagement>

子组件 jar包注入

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 <!--web-->
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
	<groupId>com.alibaba.cloud</groupId>
	<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>

配置文件更新

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spring:
  application:
    name: cart-service
  cloud:
    nacos:
      server-addr: 127.0.0.1:8848

nacos 的使用服务就注入到nacos 了