Difference between revisions of "Docker logging"

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* <code>[[docker-compose]] logs</code>
+
* <code>[[docker-compose logs]]</code>
  
 
TOMERGE: [[Container logging]]
 
TOMERGE: [[Container logging]]

Revision as of 06:14, 14 June 2020

Docker support logging to format or different platforms, such as

  • json-file
  • syslog
  • journald
  • gelf
  • fluentd
  • awslogs
  • splunk
  • etwlogs
  • gcplogs
  • logentries.[1]


Configuration is done at docker container start time with command docker run -it --log-drive LOG_METHOD CONTAINER_ID

  • Check method configured in a running container:
docker inspect -f '{{.HostConfig.LogConfig.Type}}' CONTAINER_ID
docker inspect -f '{{.HostConfig.LogConfig}}' CONTAINER_ID

docker inspect <container_id|container_name> | grep -A 5 LogConfig

"LogConfig": {
  "Type": "syslog"
  "Config": {}
}

docker logs CONTAINER_NAME_OR_ID (Docker Community Engine only support: local, json-file and journald)
docker logs CONTAINER_NAME_OR_ID 2>&1 | grep "STRING_TO_SEARCH" (You will need to redirect outputs to be able to grep output)[2]
See https://docs.docker.com/config/containers/logging/ for more information


TOMERGE: Container logging

See also

  • https://docs.docker.com/config/containers/logging/configure/
  • https://stackoverflow.com/questions/34724980/finding-a-string-in-docker-logs-of-container
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