Elasticsearch on Docker, basic failed

[Fei_Yao]

Hi,
I'm trying the custom image following the official document as of below. It didn't work out of box. I have the following errors.

https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#_c_customized_image

sudo docker run -ti -v /usr/share/elasticsearch/data yaof/es:6.2.2
Exception in thread "main" SettingsException[Failed to load settings from [elasticsearch.yml]]; nested: ParsingException[Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]];
        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1187)
        at org.elasticsearch.common.settings.Settings$Builder.loadFromPath(Settings.java:1162)
        at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:99)
        at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:95)
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
        at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:75)
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
        at org.elasticsearch.cli.Command.main(Command.java:90)
        at org.elasticsearch.plugins.PluginCli.main(PluginCli.java:48)
Caused by: ParsingException[Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]]
        at org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpectedToken(XContentParserUtils.java:78)
        at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:670)
        at org.elasticsearch.common.settings.Settings.access$500(Settings.java:82)
        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1183)
        ... 9 more
Exception in thread "main" 2018-02-22 21:09:13,305 main ERROR No log4j2 configuration file found. Using default configuration: logging only errors to the console. Set system property 'log4j2.debug' to show Log4j2 internal initialization logging.
SettingsException[Failed to load settings from [elasticsearch.yml]]; nested: ParsingException[Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]];
        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1187)
        at org.elasticsearch.common.settings.Settings$Builder.loadFromPath(Settings.java:1162)
        at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:99)
        at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:95)
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86)
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124)
        at org.elasticsearch.cli.Command.main(Command.java:90)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92)
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85)
Caused by: ParsingException[Failed to parse object: expecting token of type [START_OBJECT] but found [VALUE_STRING]]
        at org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpectedToken(XContentParserUtils.java:78)
        at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:670)
        at org.elasticsearch.common.settings.Settings.access$500(Settings.java:82)
        at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1183)
        ... 8 more

Please advise.
Thanks