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add linked containers to hosts file 

Docker-DCO-1.1-Signed-off-by: Bryan Murphy <bmurphy1976@gmail.com> (github: bmurphy1976)

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
Tested-by: Solomon Hykes <solomon@docker.com> (github: shykes)
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Bryan Murphy 2014-04-07 18:34:07 +00:00 committed by Tibor Vass
parent 4e22cf681e
commit 2ff41c5365
1 changed files with 8 additions and 1 deletions
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docs/sources/reference/run.md
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@ -407,6 +407,13 @@ And we can use that information to connect from another container as a client:
$ docker run -i -t --rm --link redis-name:redis_alias --entrypoint /bin/bash dockerfiles/redis -c '/redis-stable/src/redis-cli -h $REDIS_ALIAS_PORT_6379_TCP_ADDR -p $REDIS_ALIAS_PORT_6379_TCP_PORT'
172.17.0.32:6379>
Docker will also map the private IP address to the alias of a linked
container by inserting an entry into `/etc/hosts`. You can use this
mechanism to communicate with a linked container by its alias:
$ docker run -d --name servicename busybox sleep 30
$ docker run -i -t --link servicename:servicealias busybox ping -c 1 servicealias
## VOLUME (Shared Filesystems)
-v=[]: Create a bind mount with: [host-dir]:[container-dir]:[rw|ro].