With each Step I following, after all images built, I got a error for productservice, showing UnknownHost nacos-server when I entered docker-compose -f docker-compose.yml up

[alexcao2018]

2022-03-11 15:46:31.064  WARN 7 --- [           main] com.alibaba.nacos.client.naming          : failed to request http://nacos-server:8848/nacos/v1/ns/instance?app=unknown&metadata=%7B%22dubbo.metadata-service.urls%22%3A%22%5B+%5D%22%2C%22preserved.register.source%22%3A%22SPRING_CLOUD%22%7D&ip=172.18.0.9&weight=1.0&ephemeral=true&serviceName=DEFAULT_GROUP%40%40productservice&encoding=UTF-8&groupName=DEFAULT_GROUP&namespaceId=public&port=8080&enable=true&healthy=true&clusterName=DEFAULT from 172.17.0.1
2022-03-11 15:46:31.064 ERROR 7 --- [           main] com.alibaba.nacos.client.naming          : [NA] failed to request 

java.net.SocketException: Unexpected end of file from server
	at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:851) ~[na:1.8.0_262]
	at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678) ~[na:1.8.0_262]
	at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:848) ~[na:1.8.0_262]
	at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:678) ~[na:1.8.0_262]
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1593) ~[na:1.8.0_262]
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498) ~[na:1.8.0_262]
	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480) ~[na:1.8.0_262]
	at com.alibaba.nacos.client.naming.net.HttpClient.getResult(HttpClient.java:111) ~[nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.HttpClient.request(HttpClient.java:90) ~[nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:433) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:482) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:401) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:397) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:212) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:207) [nacos-client-1.2.1.jar!/:na]
	at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:64) [spring-cloud-starter-alibaba-nacos-discovery-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
	at com.alibaba.cloud.nacos.registry.NacosServiceRegistry$$FastClassBySpringCGLIB$$ca3a8dbd.invoke(<generated>) [spring-cloud-starter-alibaba-nacos-discovery-2.2.1.RELEASE.jar!/:2.2.1.RELEASE]
	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.2.4.RELEASE.jar!/:5.2.4.RELEASE]
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769) [spring-aop-5.2.4.RELEASE.jar!/:5.2.4.RELEASE]
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) [spring-aop-5.2.4.RELEASE.jar!/:5.2.4.RELEASE]