Zookeeper Json Logs

Image of zookeeper which configured to write logs to console in json format. default logging level is INFO, and there is a single appender names CONSOLE

Override Logging Level

Add environment varaible ZOO_LOG4J_PROP which configures the level and appender (only CONSOLE exists), for example:

$ docker run --name some-zookeeper --restart always -e ZOO_LOG4J_PROP="WARN,CONSOLE" zookeeper