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add clarity to -p option 

Signed-off-by: Sally O'Malley <somalley@redhat.com>
This commit is contained in:
Sally O'Malley 2015-10-14 10:45:12 -04:00
parent 7a19164c17
commit 37c6c53b56
1 changed files with 8 additions and 4 deletions
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10
man/docker-run.1.md
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@ -353,10 +353,14 @@ ports and the exposed ports, use `docker port`.
**-p**, **--publish**=[]
Publish a container's port, or range of ports, to the host.
format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort | containerPort
Format: `ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort | containerPort`
Both hostPort and containerPort can be specified as a range of ports.
When specifying ranges for both, the number of container ports in the range must match the number of host ports in the range. (e.g., `-p 1234-1236:1234-1236/tcp`)
(use 'docker port' to see the actual mapping)
When specifying ranges for both, the number of container ports in the range must match the number of host ports in the range.
(e.g., `docker run -p 1234-1236:1222-1224 --name thisWorks -t busybox`
but not `docker run -p 1230-1236:1230-1240 --name RangeContainerPortsBiggerThanRangeHostPorts -t busybox`)
With ip: `docker run -p 127.0.0.1:$HOSTPORT:$CONTAINERPORT --name CONTAINER -t someimage`
Use `docker port` to see the actual mapping: `docker port CONTAINER $CONTAINERPORT`
**--pid**=host
Set the PID mode for the container