Original error report:

2020-11-30 18:39:08.019  WARN 17664 --- [-192.168.113.22] s.b.a.e.ElasticsearchRestHealthIndicator : Elasticsearch health check failed

java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]
	at org.elasticsearch.client.RestClient$SyncResponseListener.get(RestClient.java:943) ~[elasticsearch-rest-client-6.4.3.jar:6.4.3]
	at org.elasticsearch.client.RestClient.performRequest(RestClient.java:227) ~[elasticsearch-rest-client-6.4.3.jar:6.4.3]
	at org.springframework.boot.actuate.elasticsearch.ElasticsearchRestHealthIndicator.doHealthCheck(ElasticsearchRestHealthIndicator.java:60) ~[spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:82) ~[spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:95) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:50) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
	at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) [spring-core-5.1.9.RELEASE.jar:5.1.9.RELEASE]
	at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:76) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:60) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:121) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:96) [spring-boot-actuator-2.1.7.RELEASE.jar:2.1.7.RELEASE]
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_161]
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_161]
	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) [na:1.8.0_161]
	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) [na:1.8.0_161]
	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) [na:1.8.0_161]
	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401) [na:1.8.0_161]
	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) [na:1.8.0_161]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:361) [na:1.8.0_161]
	at sun.rmi.transport.Transport$1.run(Transport.java:200) [na:1.8.0_161]
	at sun.rmi.transport.Transport$1.run(Transport.java:197) [na:1.8.0_161]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_161]
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [na:1.8.0_161]
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568) [na:1.8.0_161]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826) [na:1.8.0_161]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683) [na:1.8.0_161]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_161]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682) [na:1.8.0_161]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_161]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_161]
	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_161]
Caused by: java.net.ConnectException: Timeout connecting to [localhost/127.0.0.1:9200]
	at org.apache.http.nio.pool.RouteSpecificPool.timeout(RouteSpecificPool.java:169) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.nio.pool.AbstractNIOConnPool.requestTimeout(AbstractNIOConnPool.java:628) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.nio.pool.AbstractNIOConnPool$InternalSessionRequestCallback.timeout(AbstractNIOConnPool.java:894) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.impl.nio.reactor.SessionRequestImpl.timeout(SessionRequestImpl.java:183) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processTimeouts(DefaultConnectingIOReactor.java:210) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(DefaultConnectingIOReactor.java:155) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:351) ~[httpcore-nio-4.4.11.jar:4.4.11]
	at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(PoolingNHttpClientConnectionManager.java:221) ~[httpasyncclient-4.1.4.jar:4.1.4]
	at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$1.run(CloseableHttpAsyncClientBase.java:64) ~[httpasyncclient-4.1.4.jar:4.1.4]
	... 1 common frames omitted

Solution: add the following configuration to solve the problem successfully

  data:
    elasticsearch:
      repositories:
        enabled: true
      cluster-nodes: 192.168.136.137:9300
      cluster-name: docker-cluster
  #      Add the following configuration to pass the health check
  elasticsearch:
    rest:
      uris: ["http://192.168.136.137:9200"]