在docker throw中用maven构build{} – > unix：// localhost：80：没有这样的文件或者导演

我有一个问题，因为我没有以前没有几天。 当我启动./mvnw -Pprod package -DskipTests=true docker:build在我的容器我有这个日志

 [INFO] Copying src/main/docker/app.yml -> /home/jhipster/app/target/docker/app.yml [INFO] Copying src/main/docker/Dockerfile -> /home/jhipster/app/target/docker/Dockerfile [INFO] Copying src/main/docker/postgresql.yml -> /home/jhipster/app/target/docker/postgresql.yml [INFO] Copying src/main/docker/sonar.yml -> /home/jhipster/app/target/docker/sonar.yml [INFO] Building image projectName May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: I/O exception (java.io.IOException) caught when processing request to {}->unix://localhost:80: No such file or directory May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: Retrying request to {}->unix://localhost:80 May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: I/O exception (java.io.IOException) caught when processing request to {}->unix://localhost:80: No such file or directory May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: Retrying request to {}->unix://localhost:80 May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: I/O exception (java.io.IOException) caught when processing request to {}->unix://localhost:80: No such file or directory May 03, 2017 8:50:21 PM org.apache.http.impl.execchain.RetryExec execute INFO: Retrying request to {}->unix://localhost:80 [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 06:23 min [INFO] Finished at: 2017-05-03T20:50:21+00:00 [INFO] Final Memory: 63M/226M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal com.spotify:docker-maven-plugin:0.4.13:build (default-cli) on project projectName: Exception caught: java.util.concurrent.ExecutionException: com.spotify.docker.client.shaded.javax.ws.rs.ProcessingException: java.io.IOException: No such file or directory -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException 

但是，如果我启动没有生产标志的构build，我没有问题./mvnw -DskipTests=true docker:build

为什么我不能使用docker:build在我的容器中docker:build ？

谢谢