C

docker logs follow

docker logs --follow [container name]

docker logs

docker logs -f --tail <N> <container_name>

docker logs

docker logs [OPTIONS] CONTAINER
//EXAMPLE:
docker logs -f <container_id/container_name>

Name, shorthand	Default	Description
--details		Show extra details provided to logs
--follow , -f		Follow log output
--since		Show logs since timestamp (e.g. 2013-01-02T13:23:37Z) or relative (e.g. 42m for 42 minutes)
--tail , -n	all	Number of lines to show from the end of the logs
--timestamps , -t		Show timestamps
--until		Show logs before a timestamp (e.g. 2013-01-02T13:23:37Z) or relative (e.g. 42m for 42 minutes)

where are docker logs

You find these JSON log files in the 
/var/lib/docker/containers/ 
directory on a Linux Docker host.

docker logs

docker logs [OPTIONS] CONTAINER

docker logs

docker run --name test -d busybox sh -c "while true; do $(echo date); sleep 1; done"
$ date
Tue 14 Nov 2017 16:40:00 CET
$ docker logs -f --until=2s test
Tue 14 Nov 2017 16:40:00 CET
Tue 14 Nov 2017 16:40:01 CET
Tue 14 Nov 2017 16:40:02 CET