问题：在使用docker安装elasticsearch的时候，提示如下错误：

uncaught exception in thread [main]
ElasticsearchException[failed to bind service]; nested: AccessDeniedException[/usr/share/elasticsearch/data/nodes];
Likely root cause: java.nio.file.AccessDeniedException: /usr/share/elasticsearch/data/nodes
        at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:90)
        at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
        at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
        at java.base/sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:397)
        at java.base/java.nio.file.Files.createDirectory(Files.java:700)
        at java.base/java.nio.file.Files.createAndCheckIsDirectory(Files.java:807)
        at java.base/java.nio.file.Files.createDirectories(Files.java:793)
        at org.elasticsearch.env.NodeEnvironment.lambda$new$0(NodeEnvironment.java:300)
        at org.elasticsearch.env.NodeEnvironment$NodeLock.<init>(NodeEnvironment.java:224)
        at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:298)
        at org.elasticsearch.node.Node.<init>(Node.java:429)
        at org.elasticsearch.node.Node.<init>(Node.java:309)
        at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:234)
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:234)
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:434)
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:169)
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:160)
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:77)
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:112)
        at org.elasticsearch.cli.Command.main(Command.java:77)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:125)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:80)

解决方法：给挂载目录添加权限777，例如：chmod -R 777 /dockers/es/data

然后通过docker命令重启服务，就正常了。